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1
Weiss, John, Kathryn Sheffield, Anna Weeks, and David Smith. "Modelling the Incursion and Spread of a Forestry Pest: Case Study of Monochamus alternatus Hope (Coleoptera: Cerambycidae) in Victoria." Forests 10, no. 2 (February 22, 2019): 198. http://dx.doi.org/10.3390/f10020198.
Повний текст джерелаАнотація:
Effective and efficient systems for surveillance, eradication, containment and management of biosecurity threats require methods to predict the establishment, population growth and spread of organisms that pose a potential biosecurity risk. To support Victorian forest biosecurity operations, Agriculture Victoria has developed a landscape-scale, spatially explicit, spatio-temporal population growth and dispersal model of a generic pest pine beetle. The model can be used to simulate the incursion of a forestry pest from a nominated location(s), such as an importation business site (approved arrangement, AA), into the surrounding environment. The model provides both illustrative and quantitative data on population dynamics and spread of a forestry pest species. Flexibility built into the model design enables a range of spatial extents to be modelled, from user-defined study areas to the Victoria-wide area. The spatial resolution of the model (size of grid cells) can be altered from 100 m to greater than 1 km. The model allows core parameters to be altered by the user, enabling the spread of a variety of windborne insect species and pathogens to be investigated. We verified the model and its parameters by simulating and comparing the outputs with the 1999/2000 Melbourne incursion, but no establishment of a forestry pest beetle was believed to be Monochamus alternatus Hope (Coleoptera: Cerambycidae). The model accurately predicts the distance and direction of the historic incursion, and the subsequent failure to establish is due to low overall population density of the pest species.
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Long, K., AJ Robley, and K. Lovett. "Immediate post-release survival of eastern barred bandicoots Perameles gunnii at Woodlands Historic Park, Victoria, with reference to fox activity." Australian Mammalogy 27, no. 1 (2005): 17. http://dx.doi.org/10.1071/am05017.
Повний текст джерелаАнотація:
On mainland Australia, eastern barred bandicoots (Perameles gunnii) are now restricted to a single wild population at Hamilton in western Victoria, and recovery efforts are focussed on establishing new populations at reintroduction sites. The success in founding these populations has been variable, and post-release survival has not been accurately quantified. It is believed that predation by the red fox (Vulpes vulpes) is largely responsible for post-release loss of P. gunnii, despite the implementation of predator control programs at release sites. An intensive fox control program was established to protect 10 released P. gunnii at Woodlands Historic Park, near Melbourne. Monitoring of fox activity was undertaken prior to and after the release in an attempt to better understand the effectiveness of control operations. Seven bandicoots were known to be alive at the conclusion of the study five weeks after their release (and an additional animal was trapped four months later), with weight loss appearing to be an important factor in determining post-release survival. Despite constant levels of bait-take by V. vulpes, fox activity measured from sand-pads remained high. We hypothesise that the presence of suitable refugia is allowing the persistence of a low-density bandicoot population at Woodlands despite constant, high levels of fox activity.
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Zengin, Ayse, Cat Shore-Lorenti, Marc Sim, Louise Maple-Brown, Sharon Lee Brennan-Olsen, Joshua R. Lewis, Jennifer Ockwell, Troy Walker, David Scott, and Peter Ebeling. "Why Aboriginal and Torres Strait Islander Australians fall and fracture: the codesigned Study of Indigenous Muscle and Bone Ageing (SIMBA) protocol." BMJ Open 12, no. 4 (April 2022): e056589. http://dx.doi.org/10.1136/bmjopen-2021-056589.
Повний текст джерелаАнотація:
ObjectivesAboriginal and Torres Strait Islander Australians have a substantially greater fracture risk, where men are 50% and women are 26% more likely to experience a hip fracture compared with non-Indigenous Australians. Fall-related injuries in this population have also increased by 10%/year compared with 4.3%/year in non-Indigenous Australians. This study aims to determine why falls and fracture risk are higher in Aboriginal and Torres Strait Islander Australians.SettingAll clinical assessments will be performed at one centre in Melbourne, Australia. At baseline, participants will have clinical assessments, including questionnaires, anthropometry, bone structure, body composition and physical performance tests. These assessments will be repeated at follow-up 1 and follow-up 2, with an interval of 12 months between each clinical visit.ParticipantsThis codesigned prospective observational study aims to recruit a total of 298 adults who identify as Aboriginal and Torres Strait Islander and reside within Victoria, Australia. Stratified sampling by age and sex will be used to ensure equitable distribution of men and women across four age-bands (35–44, 45–54, 55–64 and 65+ years).Primary and secondary outcome measuresThe primary outcome is within-individual yearly change in areal bone mineral density at the total hip, femoral neck and lumbar spine assessed by dual energy X-ray absorptiometry. Within-individual change in cortical and trabecular volumetric bone mineral density at the radius and tibia using high-resolution peripheral quantitative computed tomography will be determined. Secondary outcomes include yearly differences in physical performance and body composition.Ethical approvalEthics approval for this study has been granted by the Monash Health Human Research Ethics Committee (project number: RES-19–0000374A).Trial registration numberACTRN12620000161921.
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Hocking, Jane S., Jessika Willis, Sepehr Tabrizi, Christopher K. Fairley, Suzanne M. Garland, and Margaret Hellard. "A chlamydia prevalence survey of young women living in Melbourne, Victoria." Sexual Health 3, no. 4 (2006): 235. http://dx.doi.org/10.1071/sh06033.
Повний текст джерелаАнотація:
Background: To estimate the population-based chlamydia prevalence among women aged 18 to 35 years living in Melbourne, Victoria, and to assess the feasibility of using mailed urine specimens to test women. Methods: A simple random sample of 11 001 households in Melbourne was selected from the telephone directory. Participants completed telephone interviews and provided urine specimens through the mail for chlamydia testing. Urines were tested using polymerase chain reaction. Results: 11 001 households were contacted, with 1532 households identified as including eligible women; telephone interviews were completed, with 979 women giving a response rate of 64%. Six hundred and fifty-seven women provided a urine specimen with a response rate of 43%. Among sexually active women aged 18–24 years, the chlamydia prevalence was 3.7% (95% CI: 1.2%, 8.4%) and 0.2% (95% CI: 0.0%, 1.1%) among 25–35 year olds. Chlamydia prevalence increased significantly with an increasing number of male sexual partners. Conclusions: This is the first study of its kind in Australia and shows that chlamydia prevalence increases with an increasing number of male sexual partners in the last 12 months. Mailed urine specimens are feasible for conducting population-based chlamydia-prevalence surveys but it is difficult to obtain high response rates with this methodology. Public health resources should now be directed towards investigating how to reach young women at increased risk of infection, ensuring that they are tested for chlamydia.
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Skotnicki, M. L., P. M. Selkirk, P. Broady, K. D. Adam, and J. A. Ninham. "Dispersal of the moss Campylopus pyriformis on geothermal ground near the summits of Mount Erebus and Mount Melbourne, Victoria Land, Antarctica." Antarctic Science 13, no. 3 (September 2001): 280–85. http://dx.doi.org/10.1017/s0954102001000396.
Повний текст джерелаАнотація:
Mount Melbourne in northern Victoria Land, Antarctica, is a glaciated 2733 m volcanic cone. The moss Compylopus pyriformis occurs on two small areas of steam-warmed snow-free ground near its summit. This moss species also occurs in temperate regions world-wide, but has not been recorded elsewhere in continental Antarctica. RAPD (Random Amplified Polymorphic DNA) studies of 26 samples of C. pyriformis from two areas of heated ground on Mount Melbourne showed there was genetic diversity within the population. Genetic evidence for dispersal between the two sites, together with some genetic variation within individual colonies, indicates a single colonisation event has probably occurred at this extremely isolated location followed by multiple mutations. A single sample of moss protonema was collected 25 years ago from steam-warmed ground near the summit of another volcano, Mount Erebus (3794 m), on Ross Island some 300 km south of Mount Melbourne. The moss could not be identified based on morphological and reproductive criteria, as all attempts to differentiate it to a recognisable gametophyte were unsuccessful. The RAPD technique has now shown it to be C. pyriformis, and closely related to the population on Mount Melbourne.
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Campbell, Lynda, and Margaret Kertesz. "Boys aged 9-12 years using the services of Anglicare Victoria: A three month population study." Children Australia 28, no. 3 (2003): 22–29. http://dx.doi.org/10.1017/s103507720000568x.
Повний текст джерелаАнотація:
This study was conducted in response to the concerns of staff within Anglicare Victoria about the presenting problems of boys aged 9-12 years across the various agency programs and the lack of systematic data about them. Under the umbrella of the Anglicare Victoria/University of Melbourne Social Work Partnership Program, a study was undertaken with the assistance of social work students on placement within the agency. A census-style survey was completed by AV staff members for any boy aged 9, 10, 11 or 12 years in an agency program during a three-month period. Non-identifying survey forms were returned for 203 boys and this article reports the major descriptive information and service implications derived from those returns.
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Lu, Jie, Chaojie Liu, and Michael Buxton. "THE IMPACT OF URBAN GROWTH BOUNDARIES IN MELBOURNE ON URBAN SUSTAINABLE DEVELOPMENT." Engineering Heritage Journal 5, no. 1 (March 16, 2021): 34–41. http://dx.doi.org/10.26480/gwk.01.2021.34.41.
Повний текст джерелаАнотація:
The consensus of using the compact city as a model for urban sustainable development has inevitably led to governments restricting outer urban expansion as an urban management tool. Urban growth boundaries (UGBs) have become one of the most widely used policy tools to achieve this goal. To evaluate the impact of UGBs on urban sustainable development in Melbourne, Australia, we compare the temporal and spatial changes of population, dwelling density, and growth before and after the implementation of the UGB policy in the Melbourne metropolitan area. The results indicate that, since the implementation of the UGB policy, the urban population, dwelling density, and growth have significantly accelerated; however, nearly half of the new population is located on the urban fringe. Based on the pressure of population growth, the UGB in Melbourne has been adjusted frequently, which has reduced its binding force on urban growth. Herein, we focus on the reasons for amendments to the Melbourne UGB, namely, urban density and the intensity of urban land use and compare the UGB policies of the Melbourne and Portland, Oregon (USA), metropolitan areas. We argue that the state government should restrict urban growth boundaries and increase urban density. At the same time, UGB policy must be coordinated with broader government policy, such as urban land use, urban transportation, and environmental planning, and a mechanism should be established to release land supply in defined areas. In addition, governments should expand public participation in the UGB amendment process and in supporting the implementation of the UGB policy
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Martin, R. W. "Overbrowsing, and decline of a population of the koala, Phascolarctos cinereus, in Victoria. III. Population dynamics." Wildlife Research 12, no. 3 (1985): 377. http://dx.doi.org/10.1071/wr9850377.
Повний текст джерелаАнотація:
The demography of a population of koalas at Walkerville, Victoria, which was severely defoliating its preferred food trees was monitored for 3 yr from Aug. 1977. Population density declined from 3.0 animals/ha in winter 1978 to 0.7/ha in winter 1980. Population density also fluctuated seasonally, with a max. in autumn/winter and a min. in spring. Fertility rate was low compared with that of other populations and declined over the period of the study. This was due to depressed fertility among the younger females and substantial infertility among the older females. Mortality was heaviest in the winter, and the majority of carcasses found were of old females. A sharp decline in population density, caused by the dispersal of many of the residents, occurred in winter 1980 when the defoliation of the preferred food species, Eucalyptus ovata, was most advanced.
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Campbell, Lynda. "The Families First Pilot Program in Victoria: Cuckoo or contribution?" Children Australia 19, no. 2 (1994): 4–10. http://dx.doi.org/10.1017/s1035077200003898.
Повний текст джерелаАнотація:
The Families First Pilot Program in the then Outer East metropolitan region of Melbourne began in mid-1991 as an intensive family preservation and reunification service for children on the verge of state care. The service offered was brief (4-6 week), intensive (up to 20 hours per week), home-based and flexible (24 hour a day, 7 day a week availability) and all members of the household or family were the focus of service even though the goals were clearly grounded in the protection of the child. This paper begins with some of the apprehension expressed both in the field and in Children Australia in 1993, and reports upon the now completed evaluation of the pilot, which covered the first 18 months of operation. The evaluation examined implementation and program development issues and considered the client population of the service against comparative data about those children at risk who were not included. The paper concludes that there is room for Families First in the Victorian system of protective and family services and points to several developmental issues.
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Nehme, Ziad, Emily Andrew, Peter A. Cameron, Janet E. Bray, Stephen A. Bernard, Ian T. Meredith, and Karen Smith. "Population density predicts outcome from out‐of‐hospital cardiac arrest in Victoria, Australia." Medical Journal of Australia 200, no. 8 (May 2014): 471–75. http://dx.doi.org/10.5694/mja13.10856.
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Frank, Stephen, Glenn Waters, Russell Beer, and Peter May. "An Analysis of the Street Tree Population of Greater Melbourne at the Beginning of the 21st Century." Arboriculture & Urban Forestry 32, no. 4 (July 1, 2006): 155–63. http://dx.doi.org/10.48044/jauf.2006.021.
Повний текст джерелаАнотація:
An audit of the street tree population of Melbourne, Victoria, Australia, was undertaken to establish its size and botanical composition as a reference point for future studies. The 31 independent municipalities that comprise metropolitan Melbourne were approached to provide information on their respective street tree populations. Where available, data from individual municipalities on population, area, and total street length were also collected. Of the 31 municipalities surveyed, 23 had undertaken some form of street tree inventory or audit. These individual data sets were combined into a single database. Data queries were then undertaken to obtain a range of information. A total of 922,353 trees, comprising 1127 taxa, were captured in this superset of data. Australian native plants made up the majority of the trees with 60% of the total. Of the Australian native taxa, wattles (Acacia spp.), gums or eucalypts (Eucalyptus spp.), paperbarks (Melaleuca spp.), bottlebrush (Callistemon spp.), and Queensland brush box (Lophostemon confertus [R. Br.] Peter G. Wilson and Waterhouse) comprised 394,730 individuals (43% of all trees). Of the exotic taxa, Prunus spp. were the most common with 86,227 individuals (9% of the total). Queensland brush box was the most common taxon surveyed with 61,959 individuals. Purple-leaf cherry plum (Prunus cerasifera Ehrh. ‘Nigra’) was the most common exotic taxon with 35,402 individuals. An analysis of the diversity of this population showed that it meets a set of minimum diversity criteria apart from the dominance of the Myrtaceae at the family level.
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Thompson, Sandra C., Gill E. Checkley, Jane S. Hocking, Nick Crofts, Anne M. Mijch, and Fiona K. Judd. "HIV Risk Behaviour and HIV Testing of Psychiatric Patients in Melbourne." Australian & New Zealand Journal of Psychiatry 31, no. 4 (August 1997): 566–76. http://dx.doi.org/10.3109/00048679709065079.
Повний текст джерелаАнотація:
Objectives: Patients with chronic mental illnesses constitute an important risk group for HIV infection overseas. This study aimed to determine the prevalence of risk behaviours associated with HIV transmission and factors associated with HIV testing in psychiatric patients in Melbourne. Methods: Inpatients and outpatients completed an interviewer-administered questionnaire which covered demographics, psychiatric diagnosis, risk behaviour, and HIV education and testing. Results: Of 145 participants, 60% were male and 55.2% had schizophrenia. Injecting drug use (IDU) was reported by 15.9%, a figure approximately 10 times that found in other population surveys. Most patients reported sex in the last decade and over 20% had multiple sexual partners in the last year. Of males, 12.6% reported sex with another male (9.2% anal sex); 19.0% of females reported sex with a bisexual male. Nearly half of the males reported sex with a prostitute, 2.5 times that in a population sample. Only 15.9% reported ever having someone talk to them specifically about HIV and its transmission, although one-third had been tested for HIV. In multivariate analysis, male-male sex, paying for sex, and IDU were associated with HIV testing, but those whose primary language was not English were less likely to be tested. Those who had received HIV education were more likely to have used a condom last time they had sex (OR 4.52, 95%C11.49–14.0). Conclusions: This study provides evidence that those with serious mental illness in Victoria have higher rates of participation in risk behaviour for HIV infection than those in the general community. Attention to HIV education and prevention in this group has been inappropriately scant; strategies to encourage safer behaviour are urgently needed.
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Mitchell, PJ, R. Bilney, and RW Martin. "Population-Structure and Reproductive Status of Koalas on Raymond Island, Victoria." Wildlife Research 15, no. 5 (1988): 511. http://dx.doi.org/10.1071/wr9880511.
Повний текст джерелаАнотація:
In December 1980, 87 adult (>1-year-old) koalas (36 males, 51 females) were captured and marked on Raymond Island, in the Gippsland Lakes of Victoria. A further 85 adults and 34 juveniles (6-12 months old) were sighted but not captured. In August 1985, 25 females and 24 males were captured and examined. The proportions of animals in the older age classes (age classes 4 and above) were 61% in 1980 and 39% in 1985, while the reproduction rates were 38 and 40%, respectively. The low reproduction rates, and the high proportions of older animals in 1980, were attributed to reproductive tract disease, although the presence of this disease did not prevent the population from increasing to a density at which trees were being overbrowsed.
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Zhang, Hua, Bridget H.-H. Hsu-Hage, and Mark L. Wahlqvist. "Longitudinal changes in nutrient intakes in the Melbourne Chinese Cohort Study." Public Health Nutrition 5, no. 3 (June 2002): 433–39. http://dx.doi.org/10.1079/phn2001259.
Повний текст джерелаАнотація:
AbstractObjective:To assess longitudinal changes in the consumption of nutrients and the impact of socio-economic factors on diet transition in the Melbourne Chinese Health Study (MCHS) cohort.Design:Longitudinal study including two phases: baseline (1989/90) and follow-up (1995/97).Settings:Melbourne metropolitan areas in Victoria, Australia.Study subjects and method:Two hundred and sixty-two Chinese men and women aged 25 years and over, recruited at baseline, who had completed the both baseline and follow-up food-frequency questionnaires.Results:Women increased their daily intakes of energy (+549 kJ), protein (+7.8 g), fat (+7.3 g) and dietary fibre (+5.6 g) whereas men decreased their daily consumption of carbohydrate (-38.5 g) over an average period of 8 years. Energy contributions from protein and fat rose while that from carbohydrate dropped for all cohort subjects. Increased intakes of riboflavin, β-carotene and iron were observed in men, while an increased consumption of thiamine, riboflavin, niacin and minerals (except sodium) was observed in women. Socio-economic factors such as education, family income levels and occupational categories appeared to have a far more powerful influence on changes in individual daily nutrient intakes than age or length of stay in Australia. Changes in nutrient intake in women were less affected by sociodemographic variables.Conclusion:The observed changes in nutrient intakes indicated a progressive approach towards the Australian Recommended Dietary Intakes within this Chinese cohort population.
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Hogan, Fiona E., Marian Weaving, and Gregory R. Johnston. "Isolation and characterisation via 454 sequencing of microsatellites from the tawny frogmouth, Podargus strigoides (Class Aves, Family Podargidae)." Australian Journal of Zoology 60, no. 2 (2012): 133. http://dx.doi.org/10.1071/zo12062.
Повний текст джерелаАнотація:
We isolated 24 novel polymorphic microsatellite markers from the tawny frogmouth, a nocturnal bird endemic to Australia, which has successfully adapted to urban environments. Initially, 454 shotgun sequencing was used to identify 733 loci with primers designed. Of these, we trialled 30 in the target species of which all amplified a product of expected size. Subsequently, all 30 of these loci were screened for variation in 25 individuals, from a single population in Melbourne, Victoria, Australia. Twenty-eight loci were polymorphic with observed heterozygosity ranging from 0.03 to 0.96 (mean 0.58) and the number of alleles per locus ranged from 2 to 18 (average of 6.5); we confirmed that 24 loci conformed to Hardy–Weinberg expectations. The 24 loci identified here will be sufficient to unequivocally identify individuals and will be useful in understanding the reproductive ecology, population genetics and the gene flow amongst localities in urban environments where this bird thrives.
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Robinson, Nicholas A., and Clive A. Marks. "Genetic structure and dispersal of red foxes (Vulpes vulpes) in urban Melbourne." Australian Journal of Zoology 49, no. 6 (2001): 589. http://dx.doi.org/10.1071/zo01033.
Повний текст джерелаАнотація:
This study sought to investigate the potential for gene flow and dispersal between three sampled populations of urban Melbourne foxes (Vulpes vulpes). Five highly polymorphic canine microsatellites were used to investigate the population structure of foxes. The dispersal of 14 foxes, captured and radio-collared as cubs, were monitored periodically over two years. Dispersal estimates for males and females were also calculated from published regression equations that related social group density to dispersal distance. Genetic differentiation between urban populations was greater than between more widely spaced rural populations and was also greater than that found between San Remo and Phillip Island populations, which are separated by a water barrier. A deficiency of heterozygotes was detected in the total Melbourne population, but not at any of the field sites. Mean dispersal distances after 24 months (male = 3.5 km, female = 2.0 km) compared well with published accounts of dispersal in British cities. Dispersal distance estimates for female foxes from all sites were lower than straight-line distance for all but one site. Both the genetic and ecological data suggest a restricted ability for foxes to disperse between sites within urban Melbourne.
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Buultjens, Andrew H., Koen Vandelannoote, Conor J. Meehan, Miriam Eddyani, Bouke C. de Jong, Janet A. M. Fyfe, Maria Globan, et al. "Comparative Genomics Shows ThatMycobacterium ulceransMigration and Expansion Preceded the Rise of Buruli Ulcer in Southeastern Australia." Applied and Environmental Microbiology 84, no. 8 (February 9, 2018): e02612-17. http://dx.doi.org/10.1128/aem.02612-17.
Повний текст джерелаАнотація:
ABSTRACTSince 2000, cases of the neglected tropical disease Buruli ulcer, caused by infection withMycobacterium ulcerans, have increased 100-fold around Melbourne (population 4.4 million), the capital of Victoria, in temperate southeastern Australia. The reasons for this increase are unclear. Here, we used whole-genome sequence comparisons of 178M. ulceransisolates obtained primarily from human clinical specimens, spanning 70 years, to model the population dynamics of this pathogen from this region. Using phylogeographic and advanced Bayesian phylogenetic approaches, we found that there has been a migration of the pathogen from the east end of the state, beginning in the 1980s, 300 km west to the major human population center around Melbourne. This move was then followed by a significant increase inM. ulceranspopulation size. These analyses inform our thinking around Buruli ulcer transmission and control, indicating thatM. ulceransis introduced to a new environment and then expands, rather than it being from the awakening of a quiescent pathogen reservoir.IMPORTANCEBuruli ulcer is a destructive skin and soft tissue infection caused byMycobacterium ulceransand is characterized by progressive skin ulceration, which can lead to permanent disfigurement and long-term disability. Despite the majority of disease burden occurring in regions of West and central Africa, Buruli ulcer is also becoming increasingly common in southeastern Australia. Major impediments to controlling disease spread are incomplete understandings of the environmental reservoirs and modes of transmission ofM. ulcerans. The significance of our research is that we used genomics to assess the population structure of this pathogen at the Australian continental scale. We have then reconstructed a historical bacterial spread and modeled demographic dynamics to reveal bacterial population expansion across southeastern Australia. These findings provide explanations for the observed epidemiological trends with Buruli ulcer and suggest possible management to control disease spread.
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Reed, Richard. "The relationship between house prices and demographic variables." International Journal of Housing Markets and Analysis 9, no. 4 (October 3, 2016): 520–37. http://dx.doi.org/10.1108/ijhma-02-2016-0013.
Повний текст джерелаАнотація:
Purpose The process for examining the value of house prices in an urban city has given limited attention, if any, to demographic variables associated with urban geography. Although the disciplines of property/real estate and demography have moved closer, little progress has been made when modelling house prices using population-related data in the field of urban geography to explain the level of house prices. Design/methodology/approach This paper proposes an innovative model to examine the influence of population variables on the level of house prices. It used a two-stage approach as follows: principal components analysis (PCA) identified social dimensions from a range of demographic variables, which were then retained for further analysis. This information was sourced from two Australian Bureau of Statistics censuses undertaken involving all Melbourne residents during 1996, 2001, 2006 and 2011; multiple regression analysis examined the relationship between the retained factor scores from the PCA (as independent variables) and established residential house prices (as the dependent variable). Findings The findings confirm the demographic profile of each household, which is directly related to their decisions about housing location and house prices. Based on a case study of Melbourne, Victoria, it was demonstrated that households with specific demographic characteristics are closely related to a certain level of house prices at the suburban level. Originality/value This is an innovative study which has not been previously undertaken for an extended period of time to facilitate an analysis of change over time.
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Grundstein, Andrew, Marshall Shepherd, Paul Miller, and Stefanie Ebelt Sarnat. "The Role of Mesoscale-Convective Processes in Explaining the 21 November 2016 Epidemic Thunderstorm Asthma Event in Melbourne, Australia." Journal of Applied Meteorology and Climatology 56, no. 5 (May 2017): 1337–43. http://dx.doi.org/10.1175/jamc-d-17-0027.1.
Повний текст джерелаАнотація:
AbstractA major thunderstorm asthma epidemic struck Melbourne and surrounding Victoria, Australia, on 21 November 2016, which led to multiple deaths, a flood of residents seeking medical attention for respiratory problems, and an overwhelmed emergency management system. This case day had all the classic ingredients for an epidemic, including high rye grass pollen concentrations, a strong multicellular thunderstorm system moving across the region, and a large population of several million people in the vicinity of Melbourne. A particular characteristic of this event was the strong, gusty winds that likely spread the pollen grains and/or allergenic contents widely across the region to increase population exposure. This exploratory case study is the first to examine the usefulness of low-to-middle-atmospheric thermodynamic information for anticipating epidemic thunderstorm asthma outbreaks by allowing the forecast of strong downdraft winds. The authors investigated the utility of several mesoscale products derived from atmospheric soundings such as downdraft convective available potential energy (DCAPE) and indices for predicting surface wind gusts such as microburst wind speed potential index (MWPI) and a wind gust index (GUSTEX). These results indicate that DCAPE levels reached “high” to “very high” thresholds for strong downdraft winds in the lead-up to the thunderstorm, and the MWPI and GUSTEX indices accurately predicted the high maximum surface wind observations. This information may be useful for diagnostic and prognostic assessment of epidemic thunderstorm asthma and in providing an early warning to health practitioners, emergency management officials, and residents in affected areas.
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Swamikannu, X., D. Radulescu, R. Young, and R. Allison. "A comparative analysis: storm water pollution policy in California, USA and Victoria, Australia." Water Science and Technology 47, no. 7-8 (April 1, 2003): 311–17. http://dx.doi.org/10.2166/wst.2003.0704.
Повний текст джерелаАнотація:
Urban drainage systems historically were developed on principles of hydraulic capacity for the transport of storm water to reduce the risk of flooding. However, with urbanization the percent of impervious surfaces increases dramatically resulting in increased flood volumes, peak discharge rates, velocities and duration, and a significant increase in pollutant loads. Storm water and urban runoff are the leading causes of the impairment of receiving waters and their beneficial uses in Australia and the United States today. Strict environmental and technology controls on wastewater treatment facilities and industry for more than three decades have ensured that these sources are less significant today as the cause of impairment of receiving waters. This paper compares the approach undertaken by the Environmental Protection Authority Victoria for the Melbourne metropolitan area with the approach implemented by the California Environmental Protection Agency for the Los Angeles area to control storm water pollution. Both these communities are largely similar in population size and the extent of urbanization. The authors present an analysis of the different approaches contrasting Australia with the USA, comment on their comparative success, and discuss the relevance of the two experiences for developed and developing nations in the context of environmental policy making to control storm water and urban runoff pollution.
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Kirkwood, Keith. "The SNAP Platform: social networking for academic purposes." Campus-Wide Information Systems 27, no. 3 (June 29, 2010): 118–26. http://dx.doi.org/10.1108/10650741011054429.
Повний текст джерелаАнотація:
PurposeThis paper aims to introduce an enterprise‐wide Web 2.0 learning support platform – SNAP, developed at Victoria University in Melbourne, Australia.Design/methodology/approachPointing to the evolution of the social web, the paper discusses the potential for the development of e‐learning platforms that employ constructivist, connectivist, and participatory pedagogies and actively engage the student population. Social networking behaviours and peer‐learning strategies, along with knowledge management through guided folksonomies, provide the back‐bone of a social systems approach to learning support.FindingsThe development of a cloud‐based read‐write enterprise platform can extend the responsiveness of the learning institution to its students and to future e‐learning innovations.Originality/valueThe full potential of e‐learning platforms for the development of learning communities of practice can now be increasingly realised. The SNAP Platform is a step in this direction.
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Campbell, Stuart J., and Trevor R. Burridge. "Occurrence of Undaria pinnatifida (Phaeophyta : Laminariales) in Port Phillip Bay, Victoria, Australia." Marine and Freshwater Research 49, no. 5 (1998): 379. http://dx.doi.org/10.1071/mf97010.
Повний текст джерелаАнотація:
In July (winter) of 1996 Undaria pinnatifida f. typica (Harvey) Suringar was found growing on basalt reef and rock/shell rubble in 2–4 m of water near Point Wilson, Port Phillip Bay, Victoria. The population grew prolifically over winter–spring with a density of up to 140 plants m-2, with sporophytes attaining a maximum length of approximately 800 mm. Size–frequency distributions of the population in September 1996 suggested that the population was actively recruiting, and examination of sporophylls indicated that plants reached reproductive maturity at a length of approximately 400 mm. Release of zoospores was achieved in the laboratory at temperatures between 10˚C and 15˚C, and gametophytes and immature sporophytes developed between 10˚C and 20˚C.
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De Gruyter, Chris, Tayebeh Saghapour, Liang Ma, and Jago Dodson. "How does the built environment affect transit use by train, tram and bus?" Journal of Transport and Land Use 13, no. 1 (November 23, 2020): 625–50. http://dx.doi.org/10.5198/jtlu.2020.1739.
Повний текст джерелаАнотація:
While much research has explored the influence of the built environment on public transport use, little focus has been given to how this influence varies by public transport mode. Using a case study of Melbourne, this study assesses the influence of the built environment and other characteristics (transit service quality, demand management and socio-demographics) on commuting by train, tram and bus. Key findings indicate that the built environment has a significant influence, but with notable differences between individual public transport modes. Commuting by tram was found to have the strongest association with the explanatory variables, while bus had the weakest explanatory power. Differences in the geographical coverage of public transport services in Melbourne play a key role in explaining the influence of the built environment. Population density is positively associated with tram use, which operates in older, higher density environments, but is negatively associated with train and bus use. Furthermore, the association with land-use mix is only significant for train and tram use, as buses tend to operate in areas with greater land-use homogeneity. When focused on inner Melbourne only, the influence of the built environment is diluted, while distance to public transport becomes more significant. The findings have important implications for practice, not only in terms of improving transit demand forecasting but also in targeting changes to the built environment to leverage higher transit ridership by mode.
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Atwell, R., I. Correa‐Velez, and S. Gifford. "Ageing Out of Place: Health and Well‐Being Needs and Access to Home and Aged Care Services for Recently Arrived Older Refugees in Melbourne, Australia." International Journal of Migration, Health and Social Care 3, no. 1 (July 1, 2007): 4–14. http://dx.doi.org/10.1108/17479894200700002.
Повний текст джерелаАнотація:
Recently arrived older refugees in resettlement countries are a particularly vulnerable population who face many risks to their health and well‐being, and many challenges in accessing services. This paper reports on a project undertaken in Victoria, Australia to explore the needs of older people from 14 recently arrived refugee communities, and the barriers to their receiving health and aged care. Findings from consultations with community workers and service providers highlight the key issues of isolation, family conflict and mental illness affecting older refugees, and point to ways in which policy‐makers and service providers can better respond to these small but deserving communities.
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Kong, Fabian Y. S., Jane S. Hocking, Chris Kyle Link, Marcus Y. Chen, and Margaret E. Hellard. "Sex and sport: sexual risk behaviour in young people in rural and regional Victoria." Sexual Health 7, no. 2 (2010): 205. http://dx.doi.org/10.1071/sh09071.
Повний текст джерелаАнотація:
Background: To determine the prevalence of chlamydia and understand sexual risk behaviour in 16–29 year olds in rural Victoria through a chlamydia testing program undertaken at local sporting clubs. Methods: Young people were recruited from the Loddon Mallee region of Victoria, Australia between May and September 2007. After a night of sporting practice, participants provided a first pass urine sample and completed a brief questionnaire about sexual risk behaviour. Those positive for chlamydia were managed by telephone consultation with a practitioner from Melbourne Sexual Health Centre. Results: A total of 709 young people participated (77% male, 23% female) in the study; 77% were sexually active. Overall chlamydia prevalence in sexually active participants was 5.1% (95% confidence interval [CI]: 3.4–7.3); 7.4% in females (95% CI: 3.5–13.6) and 4.5% in males (95% CI: 2.7–6.9). Approximately 60% of males and 20% of females consumed alcohol at high ‘Risky Single Occasion Drinking’ levels at least weekly and 60% had used an illicit drug in their lifetime. Nearly 45% reported having sex in the past year when they usually wouldn’t have because they were too drunk or high. Sexually transmissible infection (STI) knowledge was generally poor and only 25% used a condom the last time they had sex. Conclusion: Chlamydia prevalence was high in our study population. Many participants had poor knowledge about STIs and low condom use. These findings combined with high levels of risky alcohol use and having sex while intoxicated highlights the need for programs in rural and regional Victoria that combine both STI testing and prevention and education programs.
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North, Sue. "Privileged knowledge, privileged access: early universities in Australia." History of Education Review 45, no. 1 (June 6, 2016): 88–102. http://dx.doi.org/10.1108/her-04-2014-0028.
Повний текст джерелаАнотація:
Purpose – The purpose of this paper is to show that Australia’s first two universities were connected to class status. It challenges the idea that these universities extended the “educational franchise” at their outset, by interrogating the characteristics of the student population in comparison with the characteristics of the population in the colonies. It looks at the curricula within the university system to show it is always “interested”, never neutral – it may be unique to the social, cultural, political and economic location of each university, but ultimately it benefits those who hold power in these locations. Design/methodology/approach – This research involves empirical analysis of characteristics of university students in Australia in the 1850s, including country of birth, religion, age, previous education and fathers’ occupation, as well as population demographics from the censuses that took place in the colonies of NSW and Victoria at that time. It also involves an analysis of the sociology of knowledge in nineteenth century Australian universities in light of this empirical data. Findings – Socio-political influences on the establishment of the first universities in Australia highlight the power of conferring legitimacy to particular areas of knowledge and to whom this knowledge was made available. Research limitations/implications – The research is limited to using the student data for the first three years of enrolment because in order to make comparisons between the student population and the population of the colonies, the student data needed to be from a time as close to the population census as possible. The Sydney census was in 1851, so student data from the University of Sydney was 1852-1854. The Melbourne census was in 1854, so student data from the University of Melbourne was 1855-1857. Originality/value – Australian historiography suggests that early universities in Australia were open to all, regardless of background. This paper challenges this orthodoxy through empirical findings and theoretical analysis.
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Perry, Alison R., and Margaret A. Shaw. "Evaluation of functional outcomes (speech, swallowing and voice) in patients attending speech pathology after head and neck cancer treatment(s): development of a multi-centre database." Journal of Laryngology & Otology 114, no. 8 (August 2000): 605–15. http://dx.doi.org/10.1258/0022215001906516.
Повний текст джерелаАнотація:
Since April 1997, in Melbourne, Australia, speech pathologists have collaborated to establish a prospective database of functional outcomes of speech, swallowing and voice for patients undergoing head and neck cancer treatments.Staff at eight acute care hospitals, all of which offer speech pathology for head and neck cancer services in Victoria, are contributing data, collated centrally, in an agreed pro forma.Early results are given (after 12 months’ data collection). The implications for clinically-based research, and the future potential for benchmarking outcomes – by expansion of the rehabilitation database beyond the current participating sites – is discussed.This paper outlines the rationale of establishing the database is multicentred, and explores some of the complexities involved, including the challenges inherent in long-term accurate data collection in the head and neck cancer patient population. This work represents the development of an appropriate, usable tool for data collection on functional outcomes.
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Mayamba, Alex, Bram Vanden Broecke, Herwig Leirs, Brian E. Isabirye, Robert M. Byamungu, Alice Nakiyemba, Moses Isabirye, et al. "Fitness of the pestiferous small rodent Mastomys natalensis in an agroecosystem in Mayuge district, Lake Victoria Crescent, Uganda." Mammalia 84, no. 4 (March 26, 2020): 344–53. http://dx.doi.org/10.1515/mammalia-2019-0101.
Повний текст джерелаАнотація:
AbstractA 2.5-year study was conducted to understand the fitness of Mastomys natalensis in an agroecosystem in relationship with environmental predictors. The study was conducted in Mayuge district, in the Lake Victoria Crescent zone in Eastern Uganda. Fitness was measured in terms of survival, maturation and capture probability and estimated using multi-event capture-recapture models. Survival rates were higher after high rainfall in the previous month and increased with increasing population density of the animals. Maturation rate, on the other hand, showed no significant association with any predictor variables, while capture probability was significantly associated with sex of the animals, with higher capture probability for males. The results demonstrate that the fitness of M. natalensis in an agroecosystem is dependent on rainfall, sex and current population density. The aforementioned results were associated with increasing vegetation which provides cover for animal nesting and abundant food for the animals during rainfall periods and thus increased survival, high mobility in males in search for mates thus exposing animals to high chances of being captured and increased prey saturation at high population density resulting in high animal survival. These results have important implications for the timing of management strategies, i.e. control efforts should be enforced during the rainfall seasons to prevent high population buildup in the succeeding seasons.
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Schreiber, E. S. G., A. Glaister, G. P. Quinn, and P. S. Lake. "Life history and population dynamics of the exotic snail Potamopyrgus antipodarum (Prosobranchia : Hydrobiidae) in Lake Purrumbete, Victoria, Australia." Marine and Freshwater Research 49, no. 1 (1998): 73. http://dx.doi.org/10.1071/mf97113.
Повний текст джерелаАнотація:
The density, population size-structure, and fecundity of the exotic snail Potamopyrgus antipodarum are described, for a period of two years, on two shores subject to different levels of disturbance in Lake Purrumbete. The population dynamics of Potamopyrgus antipodarum showed the same seasonal pattern in the numbers of embryos carried per individual female in both years, but seasonal patterns in density and potential reproductive output of the population differed between shores. Densities of Potamopyrgus antipodarum were high, with a trend for highest densities to occur in spring and summer. The population consisted almost entirely of females, which is indicative of a parthenogenic mode of reproduction. Fecundity was high, with the number of embryos carried per female peaking in spring. In summer, the population was dominated by small individuals, but some small snails were present at all times of the year. Potamopyrgus antipodarum was found to be a very successful invader of Lake Purrumbete, with high densities, high fecundity, parthenogenesis and the presence of embryos throughout the year contributing to this success.
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Macgregor, Paul. "Chinese Political Values in Colonial Victoria: Lowe Kong Meng and the Legacy of the July 1880 Election." Journal of Chinese Overseas 9, no. 2 (2013): 135–75. http://dx.doi.org/10.1163/17932548-12341257.
Повний текст джерелаАнотація:
AbstractLowe Kong Meng (Liu Guangming 劉光眀, 1831-1888),1 pre-eminent merchant and community leader of gold-rush Melbourne, was active in Australian politics, self-regarded as a British subject yet engaged with the Qing dynasty and was likely the first overseas Chinese awarded rank in the Chinese imperial service. Victoria’s mid-1880 election was a watershed: the immediate aftermath was the re-introduction of regulations penalising Chinese, after over 15 years of free immigration and no official discrimination. After the election it was claimed that Lowe Kong Meng persuaded Victoria’s Chinese to vote for the government, but was it in his interests to do so? This article examines the nature of Lowe Kong Meng’s engagement in European and Chinese political activity in the colony, as well as the extent of his leadership in Chinese colonial and diasporic life and explores how much he could have used that leadership to influence electoral outcomes. The article also examines how Lowe Kong Meng and the wider Chinese population of the colony brought changing political agendas to Victoria and developed these agendas through their colonial experiences.
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Kong, F., C. Kyle-Link, J. Hocking, and M. Hellard. "11. SEX AND SPORT: A COMMUNITY BASED PROJECT OF CHLAMYDIA TESTING AND TREATMENT IN RURAL AND REGIONAL VICTORIA." Sexual Health 4, no. 4 (2007): 288. http://dx.doi.org/10.1071/shv4n4ab11.
Повний текст джерелаАнотація:
Chlamydia is the most common notifiable infectious disease in Australia with the number of notifications increasing 92% over the past 5 years. The "Sex and Sport" Project is piloting a community based chlamydia testing and treatment program reaching young people in a specific community setting, sporting clubs. This multifaceted approach utilises health education, population screening and collection of data on risk taking behaviour as the first steps in enhancing health and shaping future service provisions. The project's primary aim is to assess the feasibility of an outreach testing and treatment program. Secondary aims are to measure the prevalence of chlamydia and assess sexual risk behaviour in this population. Strong community collaborations and integration into local health services through the Primary Care Partnerships is important in the project's sustainability; in particular key community members respected by sporting clubs needed to be identified, capacity developed to deliver effective health promotion messages and improve young people's access to sexual health services. Additionally, local knowledge has guided overall program implementation and provides opportunities for capacity building to regionally based services. For example, poor access to sexual health services is being addressed by the participants being able to access services via telephone consultation with Melbourne Sexual Health Centre. Approximately 1000 Victorians aged 16-25 years from the Loddon Mallee region of Victoria will be tested between June and September 2007. This paper will report on the feasibility, challenges and possible solutions in establishing a community based outreach testing and treatment program.
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Ruth, Denise, Rosalind Hurworth, and Nabil Sulaiman. "Moving towards meaningful local population health data: The service provider perspective." Australian Journal of Primary Health 11, no. 2 (2005): 113. http://dx.doi.org/10.1071/py05029.
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Increasingly, primary care services are required to use data to assess their local population's health needs and plan services. This paper reports focus group discussions of service providers' perceived current practice, issues and needs related to obtaining and using data for planning services in two local government areas of Melbourne. Six groups were conducted with nominees from two municipal councils, four divisions of general practice, three community health services, three hospital networks and eight community organizations. Two groups were conducted with planners and data providers from the Department of Human Services, Victoria. The 66 participants had a broad range of experience in using data to assess local population health needs. Participants reported that issues limiting the use of data related to: access to data (lack of awareness, contacting the right person, poor communication between data providers and users, resource constraints, lack of central access); gaps in data; quality of data (inconsistent definitions and collection, currency, ties to funding); applicability of data (unfriendly format, problems with aggregated versus small area data, non-matching data sets, lack of contextual information); and support for data use in local population health planning. If local population needs assessment is to lead to better health outcomes, service providers need access to high quality data presented in formats that are applicable to their communities. They also need practicable planning methods, skills training and support in using data for local population needs assessment and service planning.
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Moore, Benjamin D., Graeme Coulson, and Sarah Way. "Habitat selection by adult female eastern grey kangaroos." Wildlife Research 29, no. 5 (2002): 439. http://dx.doi.org/10.1071/wr01057.
Повний текст джерелаАнотація:
We determined patterns of habitat selection in the winter–spring period by adult female eastern grey kangaroos (Macropus giganteus) at Yan Yean Reservoir Catchment near Melbourne, Victoria, during 1994–95. We assessed habitat selection at two levels by radio-tracking 11 adult female kangaroos. The 95% isopleth harmonic mean home-range size (mean = 62.3 ha) was the smallest recorded for female eastern grey kangaroos. No range encompassed all of the habitat types available in the study area, and the mix and rankings of habitats selected at this level varied amongst individuals when compared by compositional analysis with available habitats. Selection of habitats at the within-range level also varied among individuals and differed between night and day for many individuals, but not for the population mean. Individuals selected strongly for good foraging habitat within their ranges. In particular, grassy clearings were used by all individuals and were selected strongly by day, night or at both times.
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Needham, Cindy, Liliana Orellana, Steven Allender, Gary Sacks, Miranda R. Blake, and Claudia Strugnell. "Food Retail Environments in Greater Melbourne 2008–2016: Longitudinal Analysis of Intra-City Variation in Density and Healthiness of Food Outlets." International Journal of Environmental Research and Public Health 17, no. 4 (February 19, 2020): 1321. http://dx.doi.org/10.3390/ijerph17041321.
Повний текст джерелаАнотація:
Obesity prevalence is inequitably distributed across geographic areas. Food environments may contribute to health disparities, yet little is known about how food environments are evolving over time and how this may influence dietary intake and weight. This study aimed to analyse intra-city variation in density and healthiness of food outlets between 2008 and 2016 in Melbourne, Australia. Food outlet data were classified by location, type and healthiness. Local government areas (LGAs) were classified into four groups representing distance from the central business district. Residential population estimates for each LGA were used to calculate the density of food outlets per 10,000 residents. Linear mixed models were fitted to estimate the mean density and ratio of ‘healthy’ to ‘unhealthy’ food outlets and food outlet ‘types’ by LGA group over time. The number of food outlets increased at a faster rate than the residential population, driven by an increasing density of both ‘unhealthy’ and ‘healthy’ outlets. Across all years, ratios of ‘unhealthy’ to ‘healthy’ outlets were highest in LGAs located in designated Growth Areas. Melbourne’s metropolitan food environment is saturated by ‘unhealthy’ and ‘less healthy’ food outlets, relative to ‘healthy’ ones. Melbourne’s urban growth areas had the least healthy food environments.
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Gardner, J. L., and M. Serena. "Observations on Activity Patterns, Population and Den Characteristics of The Water Rat Hydromys chrysogaster Along Badger Creek, Victoria." Australian Mammalogy 18, no. 1 (1995): 71. http://dx.doi.org/10.1071/am95071.
Повний текст джерелаАнотація:
The Water Rat Hydromys chrysogaster is Australia's largest amphibious rodent, occupying freshwater rivers, lakes, and coastal and estuarine habitats throughout the continent (Watts and Aslin 1981). Little is known of the species' social organisation or use of space in the wild although Harris (1978) suggested that adults might be intrasexually aggressive. The home ranges of all sex and age classes overlap to some extent but home ranges of adults of the same sex appear to overlap less (Harris 1978). Adult males occupy the largest home ranges which overlap those of one or more females. In captivity individuals kept in groups form hierarchies in which only the dominant females usually breed successfully (Olsen 1982). Fighting occurs primarily among males, with the highest incidence of injuries observed at the beginning of the main September-March breeding season (Olsen 1980, 1982). The results of trapping studies indicate that population density may vary considerably, with the greatest numbers of animals typically occupying man-modified habitats such as irrigation channels or fish farms (McNally 1960, Watts and Aslin 1981, Smales 1984). Aggressive behaviour appears to be related to pelage colour (phenotype) and population density; the higher the density the greater the number of injured individuals (Olsen 1980).
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Chappill, J., PY Ladiges, and D. Boland. "Eucalyptus Aromaphloia Pryor & Willis ̵1 a Redefinition of Geographical and Morphological Boundaries." Australian Journal of Botany 34, no. 4 (1986): 395. http://dx.doi.org/10.1071/bt9860395.
Повний текст джерелаАнотація:
Adult and seedling morphological data collected for 37 populations referred to Eucalyptus aromaphloia Pryor & Willis have been analysed using a range of multivariate classification and ordination techniques. The analysis of adult leaf, bud and fruit morphology revealed only a subtle pattern of geographical variation of limited diagnostic significance. Differentiation in terms of seedling morphology was more marked, and four groups were identified. A relatively high incidence of character segregation in progeny from individual trees was observed and.the implications of this are discussed. Two of the four groups encompass seedlings with non-glaucous, narrow juvenile leaves and round stems. The first group comprises populations from the Little Desert and the Grampian Ranges west of the Mt William Range. The juvenile leaves are linear, sessile for many nodes and often become falcate after 15-20 nodes. The second group is a single population from east of Rylstone, north-west of Sydney. The juvenile leaves are lanceolate and become petiolate but not falcate after the 15th leaf node. This population was previously referred to E. corticosa L. Johnson. The third group is similar to the type of E. aromaphloia and populations were found only in west- central Victoria, from the Mt William Range in the Grampians east to the Brisbane Range near Melbourne. Seedlings are characterised by round stems and ovate, glaucous juvenile leaves that are sessile or subsessile for many leaf nodes. Thus E. aromaphloia s. str. has a more restricted distribution than previously described. The fourth group comprises populations from eastern Victoria where the juvenile leaves are non- glaucous, broad-lanceolate, distinctly petiolate by the 11th node and the stems are often square.
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Wilson, BA, NM White, A. Hanley, and DL Tidey. "Population fluctuations of the New Holland mouse Pseudomys novaehollandiae at Wilson?s Promontory National Park, Victoria." Australian Mammalogy 27, no. 1 (2005): 49. http://dx.doi.org/10.1071/am05049.
Повний текст джерелаАнотація:
The New Holland mouse (Pseudomys novaehollandiae) was first recorded at Wilson?s Promontory in 1972 in heathland vegetation, but has not been located in this habitat subsequently. The species was not trapped again until 1993 when it was found in calcarenite dune woodland on the Yanakie Isthmus. The aims of this study were to assess the population dynamics and habitat use of the species in this dune habitat. Mark-recapture trapping was conducted at three sites from 1999 to 2002. One site was located on low (0 - 5 m), flat sand dunes and open swales, another on medium (5 ? 10 m) vegetated dunes, and the third on high (20 m) steep vegetated dunes. The three sites had not been burnt for 30 to 50 years. The abundance of P. novaehollandiae was related to understorey vegetation density and differences in population densities on the sites are likely to be related to the primary succession stages on the sand dunes, rather than fire history. The maximum density (24 ha-1) recorded at one site was very high compared to other Victorian populations, however this was followed by a substantial decline in numbers within the year. At another site a small population declined to extinction. Populations on the isthmus are thus capable of achieving high densities but may decline quickly. Rainfall patterns may have affected the population fluctuations, but further research is required to elucidate fully the factors involved in the long-term dynamics of this species.
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Coulson, GM, and JA Raines. "Methods for Small-Scale Surveys of Grey Kangaroo Populations." Wildlife Research 12, no. 2 (1985): 119. http://dx.doi.org/10.1071/wr9850119.
Повний текст джерелаАнотація:
Small-scale survey methods which have previously been applied to grey kangaroos were evaluated on a population of known size. The total population size of free-ranging eastern grey kangaroos, Macropus giganteus, on Rotamah Island in the Gippsland Lakes of Victoria was determined by a drive count. Two types of small-scale survey methods were evaluated against this total: line transect counts and faecal pellet counts. The line transect estimates were not significantly different from the known population size, and grey kangaroos appear to meet the critical conditions of the models. Counts of individual faecal pellets gave an acceptable estimate of population density, whereas counts based on pellet groups had significant positive bias.
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Lock, M. L., and B. A. Wilson. "The distribution of the New Holland mouse (Pseudomys novaehollandiae) with respect to vegetation near Anglesea, Victoria." Wildlife Research 26, no. 4 (1999): 565. http://dx.doi.org/10.1071/wr97050.
Повний текст джерелаАнотація:
The distribution and abundance of the New Holland mouse (Pseudomys novaehollandiae) was assessed at Anglesea, Victoria, between February 1995 and October 1996. Twenty sites were trapped within the Forest Road Flora Reserve during April and May 1995. The twenty sites were distributed over four vegetation communities, and four successional post-fire ages. Pseudomys novaehollandiaewas found at only four sites, two located in heathy woodland vegetation, and two within a regenerating pine plantation. All four sites had a post-fire age of 7-9 years. Sites inhabited by P. novaehollandiae were found to have a high floristic richness of heath plants, and density of the understorey vegetation was greatest at a level below 20 cm. The population density of P. novaehollandiae was found to be high (10-20 ha-1 ) during early 1995 but declined after June 1995 to 3-10 ha-1 . Home ranges of males and females were similar and overlap occurred amongst individuals at the four sites, indicating that the populations on the four grids formed a single contiguous population.
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Onyango, Dancan O., Christopher O. Ikporukpo, John O. Taiwo, and Stephen B. Opiyo. "Monitoring the extent and impacts of watershed urban development in the Lake Victoria Basin, Kenya, using a combination of population dynamics, remote sensing and GIS techniques." Environmental & Socio-economic Studies 9, no. 2 (June 1, 2021): 11–25. http://dx.doi.org/10.2478/environ-2021-0007.
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Abstract Several urban centres of different sizes have developed over time, and continue to grow, within the basin of Lake Victoria. Uncontrolled urban development, especially along the lake shore, puts environmental pressure on Lake Victoria and its local ecosystem. This study sought to monitor the extent and impacts of urban development (as measured by population growth and built-up land use/land cover) in the Lake Victoria basin, Kenya, between 1978 and 2018. Remote sensing and GIS-based land use/land cover classification was conducted to extract change in built-up areas from Landsat 3, 4, 5 and 8 satellite imagery obtained for the month of January at intervals of ten years. Change in population distribution and density was analysed based on decadal census data from the Kenya National Bureau of Statistics between 1979 and 2019. A statistical regression model was then estimated to relate population growth to built-up area expansion. Results indicate that the basin’s built-up area has expanded by 97% between 1978 and 2018 while the population increased by 140% between 1979 and 2019. Urban development was attributed to the rapidly increasing population in the area as seen in a positive statistical correlation (R2=0.5744) between increase in built-up area and population growth. The resulting environmental pressure on the local ecosystem has been documented mainly in terms of degradation of lake water quality, eutrophication and aquatic biodiversity loss. The study recommends the enactment and implementation of appropriate eco-sensitive local legislation and policies for sustainable urban and rural land use planning in the area. This should aim to control and regulate urban expansion especially in the immediate shoreline areas of the lake and associated riparian zones.
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Serena, M., and G. A. Williams. "Distribution and Demographic Attributes of Platypus Populations Near Melbourne." Australian Mammalogy 20, no. 2 (1998): 313. http://dx.doi.org/10.1071/am98329.
Повний текст джерелаАнотація:
Information on platypus populations occurring along streams in the Melbourne region was collected by mark- release studies in the period I989-I996. In all, 256 records of animals were obtained along waterways in the Yarra River, Maribyrnong River and Dandenong Creek catchments. Ornilhorhynchus anatinus were captured at approximately one-quarter of the sites sampled by fyke nets, with animals encountered to within about 15 km of inner Melbourne. Evidence of reproduction was obtained along seven waterways in the Yarra River catchment (Badger Creek, Watts River/Graceburn Creek, Olinda Creek, Mullum Mullum Creek, Diamond Creek, Plenty River/Jacks Creek and the Yarra River itself) as well as Monbulk Creek in the Oandenong Creek catchment. The earliest date on which a juvenile was captured at any site was 24 February. Across populations, sex ratio (expressed as the number of adult or subadult females per adult male) tended to be positively correlated with population density. In all seasons, nearly all animals were found to be in moderate to good physical condition (i.e. tail fat index = 2 or 3). The three thinnest individuals encountered in this study were adult females captured in March, at least two of which were lactating. Along the Watts River and Mullum Mullum Creek, six individuals (comprising about 10% of animals captured) had one or more pieces of plastic or rubber litter caught around their neck or thorax.
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Young, Jesse T., Cheneal Puljević, Alexander D. Love, Emilia K. Janca, Catherine J. Segan, Donita Baird, Rachel Whiffen, Stan Pappos, Emma Bell, and Stuart A. Kinner. "Staying Quit After Release (SQuARe) trial protocol: a randomised controlled trial of a multicomponent intervention to maintain smoking abstinence after release from smoke-free prisons in Victoria, Australia." BMJ Open 9, no. 6 (June 2019): e027307. http://dx.doi.org/10.1136/bmjopen-2018-027307.
Повний текст джерелаАнотація:
IntroductionSmoke-free policies have been introduced in prisons internationally. However, high rates of relapse to smoking after release from prison indicate that these policies typically result in short-term smoking cessation only. These high rates of relapse, combined with a lack of investment in relapse prevention, highlight a missed opportunity to improve the health of a population who smoke tobacco at two to six times the rate of the general population. This paper describes the rationale and design of a randomised controlled trial, testing the effectiveness of a caseworker-delivered intervention promoting smoking cessation among former smokers released from smoke-free prisons in Victoria, Australia.Methods and analysisThe multicomponent, brief intervention consists of behavioural counselling, provision of nicotine spray and referral to Quitline and primary care to promote use of government-subsidised smoking cessation pharmacotherapy. The intervention is embedded in routine service delivery and is administered at three time points: one prerelease and two postrelease from prison. Control group participants will receive usual care. Smoking abstinence will be assessed at 1 and 3 months postrelease, and confirmed with carbon monoxide breath testing. Linkage of participant records to survey and routinely collected administrative data will provide further information on postrelease use of health services and prescribed medication.Ethics and disseminationEthical approval has been obtained from the Corrections Victoria Research Committee, the Victorian Department of Justice Human Research Ethics Committee, the Department of Human Services External Request Evaluation Committee and the University of Melbourne Human Research Ethics Committee. Results will be submitted to major international health-focused journals. In case of success, findings will assist policymakers to implement urgently needed interventions promoting the maintenance of prison-initiated smoking abstinence after release, to reduce the health disparities experienced by this marginalised population.Trial registration numberACTRN12618000072213; Pre-results.
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Cullen, B. R., D. F. Chapman, and P. E. Quigley. "Persistence of Phalaris aquatica in grazed pastures. 1. Plant and tiller population characteristics." Australian Journal of Experimental Agriculture 45, no. 1 (2005): 41. http://dx.doi.org/10.1071/ea03227.
Повний текст джерелаАнотація:
Phalaris tiller and plant population characteristics were monitored in sown Australian phalaris–subterranean clover pastures over 3 seasons (1999–2001) to determine the impact of fertiliser and grazing method on phalaris persistence in south-western Victoria. Four grazing systems were tested: set-stocked, low phosphorus (P) fertiliser input (SS low P); set-stocked, high P fertiliser input (SS high P); simple rotation, high P (RG 4 paddock); and intensive rotation, high P (RG intensive). Within each year there was no significant difference in tiller density (tillers/m2) between the grazing systems. Phalaris tiller density declined (P<0.05) on all treatments from June 1999 to June 2001. There was a significant effect of grazing method on tiller size (mg/tiller); tillers growing under rotational grazing systems were much larger than those in set-stocked systems. There was some evidence of tiller size density compensation across the grazing management treatments; however, the slope of the trade-off between tiller size and density was not as steep as those reported for other species. In general, the phalaris tiller populations under rotationally grazed treatments were characterised by lower density per m2 of phalaris clump and larger size, compared with the set-stocked treatments. Both the phalaris tiller and clump density declined at a similar rate on all treatments during this experiment, suggesting that there was some limitation to phalaris persistence irrespective of grazing system. Measured leaf appearance intervals (days/leaf) indicated that a lack of tillering sites was not a contributing factor in the observed tiller density decline. It is likely that the combination of high grazing pressure, below average rainfall and subsoil acidity contributed to the observed phalaris population decline.
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Mcbride, L. J. "Spinal Anaesthesia—Early Australian Experience." Anaesthesia and Intensive Care 33, no. 1_suppl (June 2005): 39–44. http://dx.doi.org/10.1177/0310057x0503301s06.
Повний текст джерелаАнотація:
Australia in 1902 was a fledgling colony in its second year of Federation with a population of around 3.7 million. European settlement had been largely confined to the coastal margins of this enormous land mass, although some bold adventurers in search of gold and farmland had struggled their way into the interior. Horsham, situated 300 km northwest of Melbourne in the state of Victoria, was founded in June 1849. By 1902 the town, with a population of around 2500, had grown to boast a hospital, two doctors, a pharmacist and a dentist. It was at the Horsham Hospital on January 7, 1902 that Dr Robert Ritchie performed Australia's first recorded spinal anaesthetic. Ritchie performed a lumbar puncture at the L3–4 level, injected 2 ml of 2% cocaine solution and waited for a total of 20 minutes before realising that the sensation the patient was feeling when he pinched him was pressure, not pain. The 78-year-old man with a gangrenous right leg, prostatic obstruction and congestive cardiac failure was laid supine, and had his right leg amputated through the thigh while being administered brandy and water. Strychnine injections were administered four hourly postoperatively. The adoption of the technique of spinal anaesthesia spread quickly in Australia despite communication difficulties at that time.
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Levesque, Jean-Frederic, John J. M. O'Dowd, Éidín M. Ní Shé, Jan-Willem Weenink, and Jane Gunn. "Scoping of models to support population-based regional health planning and management: comparison with the regional operating model in Victoria, Australia." Australian Health Review 41, no. 2 (2017): 162. http://dx.doi.org/10.1071/ah15198.
Повний текст джерелаАнотація:
Objective The aim of the present study was to try to understand the breadth and comprehensiveness of a regional operating model (ROM) developed within the Victorian Department of Health’s North West Metropolitan Region office in Melbourne, Australia. Methods A published literature search was conducted, with additional website scanning, snowballing technique and expert consultation, to identify existing operating models. An analytical grid was developed covering 16 components to evaluate the models and assess the exhaustiveness of the ROM. Results From the 34 documents scoped, 10 models were identified to act as a direct comparator to the ROM. These concerned models from Australia (n = 5) and other comparable countries (Canada, UK). The ROM was among the most exhaustive models, covering 13 of 16 components. It was one of the few models that included intersectoral actions and levers of influence. However, some models identified more precisely the planning tools, prioritisation criteria and steps, and the allocation mechanisms. Conclusions The review finds that the ROM appears to provide a wide coverage of aspects of planning and integrates into a single model some of the distinctive elements of the other models scoped. What is known about the topic? Various jurisdictions are moving towards a population-based approach to manage public services with regard to the provision of individual medical and social care. Various models have been proposed to guide the planning of services from a population health perspective. What does this paper add? This paper assesses the coverage of attributes of operating models supporting a population health planning approach to the management of services at the regional or local level. It provides a scoping of current models proposed to organise activities to ensure an integrated approach to the provision of services and compares the scoped models to a model recently implemented in Victoria, Australia. What are the implications for practitioners? This paper highlights the relative paucity of operating models describing in concrete terms how to manage medical and social services from a population perspective and encourages organisations that are accountable for securing population health to clearly articulate their own operating model. It outlines strengths and potential gaps in current models.
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Connors, Matthew G., Honglei Chen, Haokun Li, Adam Edmonds, Kimberley A. Smith, Colin Gell, Kelly Clitheroe, et al. "Citizen scientists track a charismatic carnivore: Mapping the spread and impact of the South African Mantis (Miomantidae, Miomantis caffra) in Australia." Journal of Orthoptera Research 31, no. 1 (May 19, 2022): 69–82. http://dx.doi.org/10.3897/jor.31.79332.
Повний текст джерелаАнотація:
The recent integration of citizen science with modern technology has greatly increased its applications and has allowed more people than ever to contribute to research across all areas of science. In particular, citizen science has been instrumental in the detection and monitoring of novel introduced species across the globe. This study provides the first records of Miomantis caffra Saussure, 1871, the South African Mantis, from the Australian mainland and uses records from four different citizen science and social media platforms in conjunction with museum records to track the spread of the species through the country. A total of 153 wild mantises and oothecae were observed across four states and territories (New South Wales, Norfolk Island, Victoria, and Western Australia) between 2009 and 2021. The large number of observations of the species in Victoria and the more recent isolated observations in other states and territories suggest that the species initially arrived in Geelong via oothecae attached to plants or equipment, likely from the invasive population in New Zealand. From there it established and spread outwards to Melbourne and eventually to other states and territories, both naturally and with the aid of human transport. We also provide a comparison of M. caffra to similar native mantises, specifically Pseudomantis albofimbriata (Stål, 1860), and comment on the potential impact and further spread of the species within Australia. Finally, we reiterate the many benefits of engaging directly with citizen scientists in biodiversity research and comment on the decision to include them in all levels of this research investigation.
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Adams, Peter J., Joseph B. Fontaine, Robert M. Huston, and Patricia A. Fleming. "Quantifying efficacy of feral pig (Sus scrofa) population management." Wildlife Research 46, no. 7 (2019): 587. http://dx.doi.org/10.1071/wr18100.
Повний текст джерелаАнотація:
Abstract ContextFeral pigs (Sus scrofa) are an increasing threat to agriculture and ecological communities globally. Although ground rooting is their most readily observable sign, feral pigs typically remain highly cryptic and their abundance and impacts are difficult to quantify. AimsThe aim of the present study was to evaluate the effect of current feral pig population management practices (trapping, baiting, no feral pig management) on feral pig abundance and digging impacts, using a BACI (before–after control–impact) experimental design at a landscape scale. MethodsA monitoring program was established to quantify both the abundance and digging impacts of feral pig populations within a temperate sclerophyll forest landscape using distance sampling. Transects were established across eight drinking water catchments where the whole catchment was the unit of replication for feral pig population management. Monitoring was carried out at 6-monthly intervals for 3 years, with no feral pig population management undertaken in the first year. In total, 367 feral pigs were trapped out of three catchments subject to trapping, and 26 were baited across two catchments subject to baiting with a commercial product (PIGOUT, Animal Control Technologies Australia, Melbourne, Vic., Australia). Three catchments were exempt from feral pig population management for the duration of this study. Key resultsFeral pig density within the overall study site was estimated as 1.127pigskm–2, resulting in 4580diggingskm–2year–1. There was no significant difference in feral pig density estimates observed among population management treatments or the treatment×year interaction term. An overall decrease in feral pig density across all catchments was attributed to extreme temperature and drought conditions experienced during the study. ConclusionsFeral pig populations demonstrate high resilience to current feral pig population management practices in the present study. The annual volume of soil disturbed by the numbers of feral pigs estimated across this study area is comparable to a commercial-scale resource extraction industry. We did not find significant differences in feral pig digging density among dominant vegetation types, but larger digs were associated with swamp vegetation. ImplicationsCurrent levels of feral pig population management did not reduce pig densities across eight catchments in the northern jarrah forest; therefore, more intensive population management is needed.
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Coulson, G. "Use of heterogeneous habitat by the western grey kangaroo, Macropus fuliginosus." Wildlife Research 20, no. 2 (1993): 137. http://dx.doi.org/10.1071/wr9930137.
Повний текст джерелаАнотація:
The western grey kangaroo, Macropus fuliginosus, typically occurs at highest population densities in areas of greatest habitat heterogeneity. Hattah-Kulkyne National Park, in semiarid north-western Victoria, supports a relatively high density of this species, and has a mosaic of four major vegetation associations: mallee, woodland, lake bed and grassland. The patterns of habitat use by western grey kangaroos at Hattah-Kulkyne were examined from March 1983 until May 1985 using line-transect surveys to estimate population density in each habitat, and radio-tracking to estimate home range. The population was not dispersed randomly, but generally exhibited either positive or negative preferences for each of the four habitats in early morning and at midday, and on different bimonthly surveys. These preferences often reversed between times of day and between surveys. Home ranges of individuals ranged from 221 to 459 ha (asymptotic MAP[O.95] estimates), each encompassing three or four habitat types, and there was extensive spatial and temporal overlap between individuals. Kangaroos at Hattah-Kulkyne thus alternated between adjacent habitats that offered a range of forage conditions and shelter.
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Glackin, Stephen, Magnus Moglia, and Peter Newton. "Working from Home as a Catalyst for Urban Regeneration." Sustainability 14, no. 19 (October 3, 2022): 12584. http://dx.doi.org/10.3390/su141912584.
Повний текст джерелаАнотація:
Since the COVID-19 pandemic, working from home has become normalised and is likely to continue to gather pace. The adjustment in daytime population that this creates has implications for urban planning, as it can drive greater levels of localization and less car-dependent cities. In this paper, we describe how this shift changes urban daytime population density, a significant predictor of most measures of amenity, walkability, and liveability. First, we define a method for mapping access to amenity, applied to two cities: Melbourne and Sydney. Secondly, we analyse the two-way causal relationship between population density and amenity based on bivariate spatial mapping. Thirdly, we provide a method for estimating changes in daytime populations. Finally, the article provides a taxonomy of telework regeneration potential for different parts of the city based on the level of amenity and expected changes in daytime population (average changes in high job-density areas −14%, CBDs −30%, and +54% in residential areas). We argue that, if used as a catalyst within strategic planning, and for urban regeneration, increases could create higher levels of amenity in suburban areas, which can lead to improved sustainability outcomes, specifically greater levels of walkability, liveability, and reduced car dependence. We have calculated that opportunity areas account for 89% of the greater urban area and cover 49% of the population, which may well grow as the WFH trend continues. As such, and in conclusion, we outline a set of site-specific opportunities and challenges relevant to urban planners that aim for urban regeneration.
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Watchorn, Darcy J., and Desley A. Whisson. "Quantifying the interactions between koalas in a high-density population during the breeding period." Australian Mammalogy 42, no. 1 (2020): 28. http://dx.doi.org/10.1071/am18027.
Повний текст джерелаАнотація:
A species’ social structure influences its patterns of gene flow and disease transmission. Knowledge of social structure therefore is critical for understanding conservation challenges and informing management strategies. We examined the social structure of 33 free-ranging koalas (Phascolarctos cinereus) in a high-density population (6.7 koalas per hectare) during the early and peak phase of the breeding period (August–December) at Cape Otway, Victoria. We used GPS and proximity loggers to quantify koala space use and interactions, and direct observations to determine behaviours associated with interactions. Our proximity loggers recorded 661 interactions (64% male–female, 28% male–male and 8% female–female). A peak in male–male interactions at the onset of the breeding period suggested that males may physically compete for mates at this time. Male–female interactions increased from the onset of the breeding period, and were mostly of short duration (median duration 5.5 min). From field observations of interactions, and the absence of pouch young in December, many of these interactions may have been unsuccessful copulation attempts. Space use and social network analyses revealed that most males had strong links (total interaction duration >30 min) with only one or two females, despite their spatial overlap and interactions with multiple females. Body mass did not influence a male’s mating success in terms of number of female mates. Our results contrast with those of a lower-density population in central eastern Queensland, suggesting that some aspects of koala social structure may be plastic relative to population density.