Letteratura scientifica selezionata sul tema "Ecology, NSW"
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Articoli di riviste sul tema "Ecology, NSW"
1
Stebnicka, ZT, e HF Howden. "A revision of the Australian genus Podotenus A. Schmidt (Coleoptera : Scarabaeoidea : Aphodiini)". Invertebrate Systematics 8, n. 1 (1994): 17. http://dx.doi.org/10.1071/it9940017.
Testo completoAbstract (sommario):
Podotenus A. Schmidt is elevated to generic status and the Australian species included therein are revised. Thirty species are described or redescribed, keyed and illustrated. The following new species (21) are recognised: P. allynensis, NSW; P. arrowsmithensis, WA; P. athertonensis, Qld; P. badgingarrae, WA; P. barringtonensis, NSW, Qld; P. bourkensis, NSW; P. channonensis, NSW, Qld; P. coffensis, NSW, Qld; P. dilgryensis, NSW; P. forrestensis, WA; P. gallagheri, NSW, Qld; P. matthewsi, WA; P. nigrosetosus, SA; P. oodlawirraensis, SA; P. otwayensis, NSW, SA, Vic; P. pseudovictoriae, NSW; P. schmidti, WA; P. storeyi, Qld; P. toowoornbaensis, NSW, Qld; P. wauchopensis, NSW, Qld; P. williamsi, NSW. All of the species found in Australia are endemic and many have very restricted ranges.
2
Culver, David A. "Plankton ecology in fish hatchery ponds in Narrandera, NSW, Australia". SIL Proceedings, 1922-2010 23, n. 2 (agosto 1988): 1085–89. http://dx.doi.org/10.1080/03680770.1987.11899772.
Testo completo
3
Chandler, PJ. "The oriental and Australasian species of Platypezidae (Diptera)". Invertebrate Systematics 8, n. 2 (1994): 351. http://dx.doi.org/10.1071/it9940351.
Testo completoAbstract (sommario):
The Platypezidae of the Oriental and Australasian Regions are revised, on the basis of a study of surviving types and other available material from these Regions. All genera and species are keyed and described; male genitalia and other diagnostic features are figured, and possible relationships are discussed. Seven genera with 43 species are recognised (19 in 7 genera are Oriental, 25 in 3 genera are Australasian, 19 in Australia itself; one species, Lindneromyia argyrogyna (de Meijere), in both Regions), 24 of them described as new: Microsania boycei (Vic, NSW), M. arthuri (Tas, NSW, WA, PNG), M. nigralula (Qld, WA, PNG), M. unicornuta (PNG), M. hebridensis (Vanuatu), M. albani (Philippines), M. lanka (Sri Lanka), Agathomyia austrocollinella (NSW), A. pluvialis (PNG), Platypeza burmensis (Burma), P. malaisei (Burma), Lindneromyia gressitti (New Britain, PNG, Larat, Qld, NSW), L. curta (Indonesia, Vietnam, India, Sri Lanka), L. kandyi (Hong Kong, Singapore, Vietnam, Sri Lanka), L. quatei (Vietnam), L. pendleburyi (Malaysia, Indonesia, Vietnam, Philippines), L. waui (PNG), L. fonsecai (NSW), L. argentifascia (NSW, ACT, Qld), L. austraquila (ACT, NSW, Qld), L. flavipalpis (Vic, NSW, SA, WA), L. albomaculata (NSW), L. pulchra (Qld, NSW) and L. merimbulae (NSW). An enlarged concept of Lindneromyia Kessel, anticipated in recent Catalogues, is discussed and justified; L. sauteri (Oldenberg), L. kerteszi (Oldenberg) and L. bnmettii (Kessel & Clopton) are new combinations. The following new synonymies are established: Agathomyia antennata (Zetterstedt) = A. hardyi Kessel & Clopton, Lindneromyia bmnettii (Kessel & Clopton) = Plesioclythia schlingeri Kessel & Clopton. Lectotypes are designated for Agathomyia thoracica Oldenberg, Clythia sauteri Oldenberg, C. kerteszi Oldenberg, Platypeza glaucescens Walker and P. obscura Brunetti.
4
Stebnicka, ZT, e HF Howden. "Revision of Australian genera in the tribes Aphodiini, Aegialiini and Proctophanini (Coleoptera : Scarabaeidae : Aphodiinae)". Invertebrate Systematics 9, n. 4 (1995): 709. http://dx.doi.org/10.1071/it9950709.
Testo completoAbstract (sommario):
One tribe, Proctophanini, and one genus, Candezeollus, are described as new. Two subgenera are elevated to generic status: Acrossidius Schmidt and Drepanocanthoides Schmidt. Thirty-six species are described, keyed and illustrated, including 13 new species: Drepanocanthoides canberrae, ACT, NSW, Vic.; D. walpolensis, WA; D. windyensis, WA; Acrossidius brittoni, SA; Candezeollus pseudocandezei, SA, Qld, Vic.; Podotenus kulkpzensis, Vic.; P. tennantensis, NT; Saprus lawrencei, NSW; S. victoriae, Vic.; S. weiri, NSW; Proctophanes anneae, WA; P. caldwellensis, NSW, Qld; P. scrubensis, Qld. One subgeneric and four specific names are synonymised: Acrossoides Schmidt (= Acrossidius Schmidt), Aphodius demarzi Petrovitz, and Aphodius pawoniger Lea (= Drepanocanthoides neglectus Schmidt), Aphodius (Acrossidius) pallidihirtus Balthasar (= Acrossidius tasmaniae Hope), and Aphodius (Nialus) pseudolividus Balthasar (= Aphodius (Nialus) lividus Olivier).
5
Stebnicka, ZT, e HF Howden. "Australian genera and species in the tribes Odontolochini, Psammodiini, Rhyparini, Stereomerini and part of the Eupariini (Coleoptera : Scarabaeoidea : Aphodiinae)". Invertebrate Systematics 10, n. 1 (1996): 97. http://dx.doi.org/10.1071/it9960097.
Testo completoAbstract (sommario):
One tribe, Odontolochini, and three genera, Airapus, Euparotrix and Gongrolophus, are described as new. Fifty species are discussed, keyed and illustrated; in addition, Airapus sumatrae (Fairmaire) from Sumatra is illustrated. Included in the above are 14 species described as new: Airapus bruxnerensis, NSW; A, burrundieae, Qld; A. henriettae, Qld; Australammoecius peckorum, NT; Cnematoplatys tozerensis, Qld; Gongrolophus storeyi, Qld; Leiopsammodius newcastleensis, NSW; Odontolochus monteithi, NSW, Qld; O . weiri, NSW, Qld; Rhyparus ironensis, Qld; Saprosites bunyaensis, Qld; S. clydensis, NSW, Qld, Vic.; S. mistakensis, Qld; S. porongurupae, WA. One genus and 14 species are synonymised: Neosaprosites Endrödi (= Cnematoplatys Schmidt); Aphodopsammobius matthewsi Rakovic [= rugicollis (Macleay)]; Ataenius consors Blackburn [= Australammoecius goyderensis (Blackburn)]; A. consobrinus Petrovitz, A. latericollis Lea and A. spissus Blackburn [= Australammoecius occidentalis (Macleay)]; Australammoecius australis Petrovitz, A. bicolor Petrovitz, A. brunneus Petrovitz and A. granuliceps Petrovitz (= persimilis Lea); A. demarzi Petrovitz (= coloratus Blackburn); A. flavipennis Petrovitz [= Aphodopsammobius zietzi (Blackburn)]; Euparia acutula Schmidt [= Airapus sumatrae (Fairmaire)]; E. olliffi Blackburn [= Airapus obscurus (Macleay)] and Rhyssemus australis Petrovitz [= inscitus (Walker)].
6
Miskiewicz, AG, BD Bruce e P. Dixon. "Distribution of Tailor (Pomatomus saltatrix) Larvae along the Coast of New South Wales, Australia". Marine and Freshwater Research 47, n. 2 (1996): 331. http://dx.doi.org/10.1071/mf9960331.
Testo completoAbstract (sommario):
The distribution of tailor (Pomatomus saltatrix) larvae is described on the basis of the results of four plankton surveys undertaken in northern and central New South Wales (NSW) coastal waters. These comprised a single survey during May 1989 along the northern NSW coast and multiple surveys in January, March and May 1983 between Sydney and Brisbane. Pomatomus saltatrix larvae occurred throughout the survey period, with the highest abundances on the northern NSW coast. Most larvae were caught in mid and outer continental shelf waters at water temperatures of ≥22�C. The only known spawning locality for P. saltatrix is in the vicinity of Fraser Island in southern Queensland from August to October. The occurrence of larvae along the NSW coast from January to May indicates that the spawning season of P. saltatrix is more extensive than previously reported and that spawning occurs along the east coast of Australia in localities other than Fraser Island. Further surveys of larvae in southern Queensland and northern NSW waters, especially from August to December, are required to determine if P. saltatrix has one extended or two discrete spawning seasons along the eastern coast of Australia.
7
Knight, James T., Catherine J. Nock, Martin S. Elphinstone e Peter R. Baverstock. "Conservation implications of distinct genetic structuring in the endangered freshwater fish Nannoperca oxleyana (Percichthyidae)". Marine and Freshwater Research 60, n. 1 (2009): 34. http://dx.doi.org/10.1071/mf08022.
Testo completoAbstract (sommario):
The maintenance of genetic diversity and gene flow in threatened species is a vital consideration for recovery programs. The endangered Oxleyan pygmy perch Nannoperca oxleyana has a fragmented distribution within coastal freshwater drainages of southern Queensland and northern New South Wales, Australia. In the present study, mitochondrial DNA control region variation was used to assess genetic diversity and structure across the geographical range of this species. Haplotypic diversity was highest in a small NSW subcatchment south of Evans Head (h = 0.594) followed by Marcus Creek in Queensland (h = 0.475). Distinct genetic differentiation was evident among the Queensland localities and the NSW subcatchments, implying restricted gene flow between coastal river systems. One of the nine haplotypes detected was distributed over 83.4% of the species’ range, suggesting historical connectivity among the now fragmented populations. These patterns were concordant with eustatic changes associated with the last glacial maximum. High barrier sand dunes may also act as barriers to gene flow and dispersal between adjacent NSW subcatchments. Conservation efforts should focus on the preservation of genetic diversity by maintaining as many genetically differentiated populations as possible. The relatively diverse populations inhabiting the South Evans Head subcatchment and Marcus Creek require special management consideration.
8
Timms, B. V. "Study of coastal freshwater lakes in southern New South Wales". Marine and Freshwater Research 48, n. 3 (1997): 249. http://dx.doi.org/10.1071/mf96049.
Testo completoAbstract (sommario):
There are few freshwater lakes associated with coastal dunes in southern New South Wales (NSW). Lake Nargal near Narooma, Bondi Lake near Bega, and a small lagoon near Pambula have little in common limnologically with coastal dune lakes of northern NSW and southern Queensland. They differ in mode of origin, are less dominated by NaCl, are less acidic, are more speciose, have few characteristic dune-lake indicator species, and moreover contain certain southern species. However, a re-examination of data for Lakes Windermere and McKenzie further north at Jervis Bay suggest that these are classic dune-contact lakes rather similar to those in northern NSW. Differences and similarities are largely influenced by the extent and therefore the hydrological influence of the contextural coastal sand mass and by biogeography.
9
Waters, C. M., D. L. Garden, A. B. Smith, D. A. Friend, P. Sanford e G. C. Auricht. "Performance of native and introduced grasses for low-input pastures. 1. Survival and recruitment". Rangeland Journal 27, n. 1 (2005): 23. http://dx.doi.org/10.1071/rj05001.
Testo completoAbstract (sommario):
Differential survival and recruitment patterns are commonly ignored within plant selection and breeding programs, where attention is focused largely on selection of cultivars with high biomass and seed yields. However, in low-input situations, where fertiliser application is limited, the use of pasture species with superior survival and recruitment characteristics can offer the potential of cost-effective pasture establishment. We investigated the comparative survival and seedling recruitment of 62 native and introduced perennial grasses under low-fertility conditions within three agro-ecological zones of temperate Australia: the temperate high-rainfall pasture zone; drier mixed-farming areas and Mediterranean southern Australia. Plants were grown from seed in glasshouses and transplanted to the field as spaced plants within 6–8 weeks. At regular intervals, survival of transplanted plants and recruitment of new plants were recorded. We found high mortality over a relatively short (24-month) period among both native and introduced grasses, despite good establishment. Frost damage at the cooler sites resulted in death of some C4 plants early in the experiment. Survival of some lines declined following the dry summer of 2000–01, and lines with best survival after this time were Eragrostis curvula cv. Consol, Austrodanthonia fulva (from Dalgety and Wagga, NSW) and Paspalidium jubiflorum (from Warren, NSW). C3 grasses, which generally had poor survival were a Microlaena stipoides selection from Nile, Tasmania, and two lines of Elymus scaber (Boorowa and Tumut, NSW). The C4 grasses Chloris truncata (Girilambone, NSW) and Dichanthium sericeum (Trangie, NSW) also exhibited poor survival, although there were exceptions at some sites. The native lines A. caespitosa Tas2407, M. stipoides cv. Shannon and A. racemosa were the most successful recruiters. Introduced lines generally had lower recruitment, although two lines of D. glomerata from Spain recruited well at some sites. C4 lines generally had poor recruitment, including E. curvula cv. Consol, Bothriochloa macra, Themeda australis, Enteropogon acicularis, D. sericeum, P. jubiflorum and P. constrictum. The role of plants adapted to low-input situations is discussed, as well as the implications of the attributes of survival and recruitment for selection of new cultivars for these situations.
10
KUWAHARA, GREGORY K., e STEPHEN A. MARSHALL. "A revision of the Australian species of Howickia Richards (Diptera: Sphaeroceridae: Limosininae)". Zootaxa 5192, n. 1 (3 ottobre 2022): 1–152. http://dx.doi.org/10.11646/zootaxa.5192.1.1.
Testo completoAbstract (sommario):
Howickia Richards, 1951, the largest genus of Sphaeroceridae in Australia, is revised to include 43 species, including all wingless Australian species of the family. The following new species are described: H. acicula (TAS), H. auricoma (VIC), H. biantenna (TAS), H. cruspica (VIC), H. erythrocephala (NSW), H. flagella (TAS), H. grandisterna (TAS), H. holti (NSW), H. irwini (NSW), H. loligo (TAS), H. notechis (TAS), H. nuda (NSW), H. pertusa (TAS), H. pinnula (TAS), H. pseudovittata (NSW, QLD), H. robustaseta (NSW), H. tricolor (NSW), H. truemani (TAS), H. wamini (NSW, QLD, TAS, WA), and H. xanthocephala (QLD, NSW). The genera Apterobiroina Papp, 1979, Australimosina Papp, 2008, Bentrovata Richards, 1973, Monteithiana Richards, 1973, Popondetta Richards, 1973, and Otwayia Richards, 1973 are treated as new synonyms of Howickia. Howickia is redefined and placed in the context of a key to genera of Sphaeroceridae in Australia, the Australian species of Howickia are keyed, and a morphological phylogeny is given for the Australian species. The following new combinations are given: Howickia australis (Papp, 1979) comb. nov., Howickia cynthia (Richards, 1973) comb. nov., Howickia dealata (Richards, 1973) comb. nov., Howickia flavipes (Papp, 2021) comb. nov., Howickia flaviterga (Richards, 1973) comb. nov., Howickia flavithorax (Papp, 2021) comb. nov., Howickia regalis (Richards, 1973) comb. nov., Howickia sabina (Richards, 1973) comb. nov., Howickia truncata (Papp, 2021) comb. nov., Paralimosina nasalis (Richards, 1973) comb. nov. (formerly in Pseudocollinella Duda, 1924), Pseudopterogramma fenestrata (Richards, 1973) comb. nov. (originally as Leptocera (Limosina) Macquart, 1835, transferred to Biroina Richards, 1973 by Marshall in Roháček et al. (2001)), and Pleuroseta dorrigonis (Richards, 1973) comb. nov. (formerly in Biroina). A new name, Howickia neoregalis nom. nov. is proposed for H. regalis Marshall, 2014, junior homonym of H. regalis (Richards, 1973). The following genera are newly recorded from Australia: Chaetopodella Duda, 1920, Paralimosina Papp, 1973, Pachytarsella Richards, 1963, Parapterogramma Papp, 2008, Philocoprella Richards, 1929, Piliterga Papp, 2008, Pterogrammoides Papp, 1972, Spelobia Spuler, 1924, and Spinilimosina Roháček, 1983.
Tesi sul tema "Ecology, NSW"
1
Saunders, Anthony S. J., University of Western Sydney, of Science Technology and Environment College e of Science Food and Horticulture School. "Comparative ecology of the noisy friarbird Philemon corniculatus (Latham 1790) and the red wattlebird Anthochaera carunculata (Shaw 1790) in central eastern New South Wales". THESIS_CSTE_SFH_Saunders_A.xml, 2004. http://handle.uws.edu.au:8081/1959.7/780.
Testo completoAbstract (sommario):
Densities and behaviour of Noisy Friarbirds Philemon corniculatus and Red Wattlebirds Anthochaera carunculata were measured during 1992 and 1993 at six sites along an east-west transect through central New South Wales from the Central Coast through to the Central Western Slopes, and at Goobang National Park from 1993 to 1996. Both P. corniculatus and A. carunculata were found to be mostly canopy foragers with occasional forays into the shrub layer when food resources became available there. Flower-probing and foliage gleaning comprised the bulk of foraging behaviour. Most of the food resources used by these honeyeaters were seasonally unreliable and unpredictable, so that they needed to shift between foods and track them over hundreds of kilometres. A strong relationship was found between the densities of honeyeaters and the density of flowering trees at both regional and local scales. Sites on the western slopes were more important for nectar during winter and spring, while sites on the tablelands provided a greater diversity of foods over all seasons. When foraging at foliage, both honeyeaters were found to preferentially select Eucalyptus punctata. These two honeyeaters are very mobile and appear to cope within the fragmented landscape. Their ecological role as plant pollinators, seed dispersers and insect population limiters may have increased proportionally due to habitat fragmentation compared with less mobile species with similar ecological roles. Hence they may also have become more important in maintaining habitat patch qualityDoctor of Philosophy (PhD)
2
Berghout, Mani, e n/a. "The ecology of the red fox (Vulpes vulpes) in the Central Tableslands of New South Wales". University of Canberra. Resource, Environmental & Heritage Sciences, 2000. http://erl.canberra.edu.au./public/adt-AUC20060331.085450.
Testo completoAbstract (sommario):
The red fox occurs across a very broad range of habitats, and displays great behavioural flexibility under different environmental conditions. In Australia, mounting concern over the impacts of foxes on livestock and native fauna has highlighted a need for more information on fox ecology under Australian conditions as a fundamental step towards developing more strategic means of managing foxes. This study explores ranging behaviour, dispersal, use of dens, activity rhythms, population dynamics and diet in the absence of management in productive agricultural land in the central tablelands of New South Wales. The study was conducted from June 1994 to June 1997 on private property near Murringo, NSW Australia (34°15� S, 148°30� E). The site was primarily sheep and cattle grazing land and had a history of no fox management. Rainfall was considerably below average for much of the study. A total of 83 foxes were trapped over 3931 trapnights, of which 50 were fitted with radio-collars (23 adult and 6 juvenile females, 12 adult and 9 juvenile males) and 26 released with eartags only (all juveniles: 10 females, 16 males). Thirty-three foxes were radio-tracked using fixed towers between March 1995 and December 1996, with between 11 and 28 foxes tracked at any time. Mean home range size was 446.1 ha ± 69.8 se using 95% Minimum Convex Polygons (MCP), and 276.4 ha ± 36.3 se using 95% kernel utilisation distributions. Male home ranges defined by MCP were significantly larger than female ranges, but no significant difference was found using 95% kernels. Core ranges were estimated to be 133.4 ha ± 23.7 se using 50% MCP and 59.8 ha ± 6.1 se using 95% kernels, with no significant difference between sexes. No significant differences were found between range sizes of adults and juveniles or between years or seasons. While most home ranges were steady for the duration of the study, some foxes were observed to shift range location and 4 foxes displayed nomadic behaviour for at least some of the study. There was a high incidence of overlapping home ranges, most commonly between females or males and females but occasionally between males, but core areas were usually separate. Fully overlapping core areas were observed in 1995 but not in 1996.
Juvenile foxes were significantly more likely to disperse than adults, and usually travelled further (juveniles 61.1 km 31.6 ± se; adults 5.9 km 1.1 ± se). Males and females were equally likely to disperse, and there was no significant difference in the distance travelled. The furthest distances were 285 km and 140 km, but mean distance of dispersal excluding these animals was 12.3 km ± 4.3 se (n = 13). Thorough surveys across a 16.4 km² area located 200 dens, with 68 of these active in 1995 and 96 active in 1996. Density of breeding foxes was estimated to be 0.55 and 0.52 adult foxes/km² in 1995 and 1996 respectively based on natal den counts. Density estimates based on active den counts, which include non-breeding foxes, were 0.91and 1.30 foxes/km² in 1995 and 1996 respectively. These estimates appear lower than other studies in similar habitats but this is likely due to using a half home range boundary strip around the surveyed area in the present study. Application of mark-recapture analysis found very high �recapture� rates of dens and gave a similar estimate of the total number of dens to that observed directly. Natal dens were regularly distributed across the study area, whereas active dens tended to be in clusters. There was a high turnover of which dens were used each year, but the total number of natal dens was similar across years (16 in 1995 and 17 in 1996). Natal dens were more likely to be used on repeat occasions than other dens, but not necessarily by the same vixen. Litter size based on sightings of emergent cubs was 2.8. Foxes were predominantly nocturnal, with a major peak in activity about an hour after sunset. A new method of analysing activity rhythm data using Fourier series to mathematically describe animal movements was developed, that allowed systematic identification of the cyclical components underlying overall movement patterns. General fox behaviour could be clearly described by a 24-hour and a 12-hour cyclical component when corrected for variation in daylength. The rising and setting of the sun appeared to be a major trigger underlying movement patterns. Seasonal and sex differences were observed in patterns of activity. The annual rate of increase of the fox population was found to vary around a mean of zero between June 1994 and June 1997. A major drop in fox numbers as estimated by spotlight counts occurred in the second half of 1995, but numbers recovered by the
end of 1996. Kaplan-Meier analysis of radio-tagged foxes found annual adult survival was generally very high (0.56-0.96) with lowest survival between July and October. Causes of mortality were human-related outside the site and apparently of natural causes within the site. However foxes dying of natural causes outside the site were unlikely to be found. There was no overall movement of foxes into or out of the site. Immigration was detected following the drop in fox numbers in late 1995, but there was no evidence of immigration prior to this period although emigration occurred. A sensitivity analysis was conducted on the effects of a small change in life history parameters on finite rate of increase using published data as well as adult mortality data from the present study. The two most influential life-history parameters were adult and juvenile survival, while changes in fecundity and age at first reproduction had much less impact on finite rate of increase. In terms of management, in which fertility control is being considered as an alternative to lethal control, this implies that a small change in fecundity may cause less change in the rate of increase of foxes than lethal control. Foxes were culled in June 1997 on completion of the study. Estimated density using a Petersen estimate was 2.4-5.3 foxes/km² and index-manipulation-index was 1.4-3.2 foxes/km². The different methods used to cull foxes appeared to target different age groups within the population, and were generally biased in favour of younger foxes. Success at killing animals was low, leading to large standard errors in the population estimates. Stomachs of foxes shot in the Orange district were found to contain predominantly rabbit and carrion, with invertebrates present when abundant. These findings were not strictly representative of the diet of foxes in the study area, where rabbits were scarce. Foxes scavenged heavily on lamb carcasses within the study site. The quantity of fresh lamb carrion removed from a lambing paddock in winter 1996 was estimated to support 13-24 foxes, with available fresh lamb theoretically able to support 240-440 foxes. Density based on removal of fresh carcasses was estimated to be 0.83-1.5 foxes/km².
3
Saunders, Anthony S. J. "Comparative ecology of the noisy friarbird Philemon corniculatus (Latham 1790) and the red wattlebird Anthochaera carunculata (Shaw 1790) in central eastern New South Wales". Thesis, View thesis, 2004. http://handle.uws.edu.au:8081/1959.7/780.
Testo completoAbstract (sommario):
Densities and behaviour of Noisy Friarbirds Philemon corniculatus and Red Wattlebirds Anthochaera carunculata were measured during 1992 and 1993 at six sites along an east-west transect through central New South Wales from the Central Coast through to the Central Western Slopes, and at Goobang National Park from 1993 to 1996. Both P. corniculatus and A. carunculata were found to be mostly canopy foragers with occasional forays into the shrub layer when food resources became available there. Flower-probing and foliage gleaning comprised the bulk of foraging behaviour. Most of the food resources used by these honeyeaters were seasonally unreliable and unpredictable, so that they needed to shift between foods and track them over hundreds of kilometres. A strong relationship was found between the densities of honeyeaters and the density of flowering trees at both regional and local scales. Sites on the western slopes were more important for nectar during winter and spring, while sites on the tablelands provided a greater diversity of foods over all seasons. When foraging at foliage, both honeyeaters were found to preferentially select Eucalyptus punctata. These two honeyeaters are very mobile and appear to cope within the fragmented landscape. Their ecological role as plant pollinators, seed dispersers and insect population limiters may have increased proportionally due to habitat fragmentation compared with less mobile species with similar ecological roles. Hence they may also have become more important in maintaining habitat patch quality
4
Yerman, Michelle N., University of Western Sydney, of Science Technology and Environment College e School of Natural Sciences. "Temperate urban mangrove forests : their ecological linkages with adjacent habitats". THESIS_CSTE_NSC_Yerman_M.xml, 2003. http://handle.uws.edu.au:8081/1959.7/652.
Testo completoAbstract (sommario):
Estuarine habitats along the temperate south-eastern shores of Australia are generally made up of salt marsh, mangrove forests and seagrass beds. In urban areas these habitats have been progressively fragmented as a result of population increase and industrial expansion. Salt marshes in particular have been vulnerable to urban expansion and reclamation because of their close proximity to densely populated areas, while mangrove forests have been less often reclaimed because of frequent tidal inundation. The effect of reclamation of salt marshes on the biotic assemblages and functioning of mangrove forests with an adjacent salt marsh, park or bund wall was examined at nine separate locations on the Parramatta River, Sydney NSW. A mensurative approach was used to describe the patterns of distribution and abundance of macro fauna at several temporal and spatial scales. The implications for management are that salt marshes are an integral part of estuaries, and smaller patches of salt marsh are just as important as larger patches in maintaining the diversity of faunal assemblages and ecosystem functioning in mangrove forests in urban areasMaster of Science (Hons)
5
Willems, Karen J. "Investigations of the ecology and control of pest mosquitoes in freshwater wetlands at Homebush Bay, Sydney, NSW". Thesis, The University of Sydney, 2001. https://hdl.handle.net/2123/27702.
Testo completoAbstract (sommario):
An understanding of the ecology of freshwater mosquitoes in wetland habitats is
essential in devising strategies and practices that will maintain populations at an
acceptable level for nearby human communities.
6
Davila, Yvonne Caroline. "Pollination ecology of Trachymene incisa (Apiaceae): Understanding generalised plant-pollinator systems". Thesis, The University of Sydney, 2006. http://hdl.handle.net/2123/1896.
Testo completoAbstract (sommario):
A renewed focus on generalised pollinator systems has inspired a conceptual framework which highlights that spatial and temporal interactions among plants and their assemblage of pollinators can vary across the individual, population, regional and species levels. Pollination is clearly a dynamic interaction, varying in the number and interdependence of participants and the strength of the outcome of the interaction. Therefore, the role of variation in pollination is fundamental for understanding ecological dynamics of plant populations and is a major factor in the evolution and maintenance of generalised and specialised pollination systems. My study centred on these basic concepts by addressing the following questions: (1) How variable are pollinators in a generalised pollination system? To what degree do insect visitation rates and assemblage composition vary spatially among populations and temporally among flowering seasons? (2) How does variation in pollinators affect plant reproductive success? I chose to do this using a model system, Trachymene incisa subsp. incisa (Apiaceae), which is a widespread Australian herbaceous species with simple white flowers grouped into umbels that attract a high diversity of insect visitors. The Apiaceae are considered to be highly generalist in terms of pollination, due to their simple and uniform floral display and easily accessible floral rewards. Three populations of T. incisa located between 70 km and 210 km apart were studied over 2-3 years. The few studies investigating spatial and temporal variation simultaneously over geographic and yearly/seasonal scales indicate that there is a trend for more spatial than temporal variation in pollinators of generalist-pollinated plants. My study showed both spatial and temporal variation in assemblage composition among all populations and variation in insect visitation rates, in the form of a significant population by year interaction. However, removing ants from the analyses to restrict the assemblage to flying insects and the most likely pollinators, resulted in a significant difference in overall visitation rate between years but no difference in assemblage composition between the Myall Lakes and Tomago populations. These results indicate more temporal than spatial variation in the flying insect visitor assemblage of T. incisa. Foraging behaviour provides another source of variation in plant-pollinator interactions. Trachymene incisa exhibits umbels that function as either male or female at any one time and offer different floral rewards in each phase. For successful pollination, pollinators must visit both male and female umbels during a foraging trip. Insects showed both preferences and non-preferences for umbel phases in natural patches where the gender ratio was male biased. In contrast, insects showed no bias in visitation during a foraging trip or in time spent foraging on male and female umbels in experimental arrays where the gender ratio was equal. Pollinator assemblages consisting of a mixture of different pollinator types coupled with temporal variation in the assemblages of populations among years maintains generalisation at the population/local level. In addition, spatial variation in assemblages among populations maintains generalisation at the species level. Fire alters pollination in T. incisa by shifting the flowering season and reducing the abundance of flying insects. Therefore, fire plays an important role in maintaining spatial and temporal variation in this fire-prone system. Although insect pollinators are important in determining the mating opportunities of 90% of flowering plant species worldwide, few studies have looked at the effects of variation in pollinator assemblages on plant reproductive success and mating. In T. incisa, high insect visitation rates do not guarantee high plant reproductive success, indicating that the quality of visit is more important than the rate of visitation. This is shown by comparing the Agnes Banks and Myall Lakes populations in 2003: Agnes Banks received the highest visitation rate from an assemblage dominated by ants but produced the lowest reproductive output, and Myall Lakes received the lowest visitation rate by an assemblage dominated by a native bee and produced the highest seedling emergence. Interestingly, populations with different assemblage composition can produce similar percentage seed set per umbel. However, similar percentage seed set did not result in similar percentage seedling emergence. Differences among years in reproductive output (total seed production) were due to differences in umbel production (reproductive effort) and proportion of umbels with seeds, and not seed set per umbel. Trachymene incisa is self-compatible and suffers weak to intermediate levels of inbreeding depression through early stages of the life cycle when seeds are self-pollinated and biparentally inbred. Floral phenology, in the form of synchronous protandry, plays an important role in avoiding self-pollination within umbels and reducing the chance of geitonogamous pollination between umbels on the same plant. Although pollinators can increase the rate of inbreeding in T. incisa by foraging on both male and female phase umbels on the same plant or closely related plants, most consecutive insect movements were between plants not located adjacent to each other. This indicates that inbreeding is mostly avoided and that T. incisa is a predominantly outcrossing species, although further genetic analyses are required to confirm this hypothesis. A new conceptual understanding has emerged from the key empirical results in the study of this model generalised pollination system. The large differences among populations and between years indicate that populations are not equally serviced by pollinators and are not equally generalist. Insect visitation rates varied significantly throughout the day, highlighting that sampling of pollinators at one time will result in an inaccurate estimate and usually underestimate the degree of generalisation. The visitor assemblage is not equivalent to the pollinator assemblage, although non-pollinating floral visitors are likely to influence the overall effectiveness of the pollinator assemblage. Given the high degree of variation in both the number of pollinator species and number of pollinator types, I have constructed a model which includes the degree of ecological and functional specialisation of a plant species on pollinators and the variation encountered across different levels of plant organisation. This model describes the ecological or current state of plant species and their pollinators, as well as presenting the patterns of generalisation across a range of populations, which is critical for understanding the evolution and maintenance of the system. In-depth examination of pollination systems is required in order to understand the range of strategies utilised by plants and their pollinators, and I advocate a complete floral visitor assemblage approach to future studies in pollination ecology. In particular, future studies should focus on the role of introduced pollinators in altering generalised plant-pollinator systems and the contribution of non-pollinating floral visitors to pollinator assemblage effectiveness. Comparative studies involving plants with highly conserved floral displays, such as those in the genus Trachymene and in the Apiaceae, will be useful for investigating the dynamics of generalised pollination systems across a range of widespread and restricted species.
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Davila, Yvonne Caroline. "Pollination ecology of Trachymene incisa (Apiaceae): Understanding generalised plant-pollinator systems". University of Sydney, 2006. http://hdl.handle.net/2123/1896.
Testo completoAbstract (sommario):
Doctor of Philosophy (PhD)A renewed focus on generalised pollinator systems has inspired a conceptual framework which highlights that spatial and temporal interactions among plants and their assemblage of pollinators can vary across the individual, population, regional and species levels. Pollination is clearly a dynamic interaction, varying in the number and interdependence of participants and the strength of the outcome of the interaction. Therefore, the role of variation in pollination is fundamental for understanding ecological dynamics of plant populations and is a major factor in the evolution and maintenance of generalised and specialised pollination systems. My study centred on these basic concepts by addressing the following questions: (1) How variable are pollinators in a generalised pollination system? To what degree do insect visitation rates and assemblage composition vary spatially among populations and temporally among flowering seasons? (2) How does variation in pollinators affect plant reproductive success? I chose to do this using a model system, Trachymene incisa subsp. incisa (Apiaceae), which is a widespread Australian herbaceous species with simple white flowers grouped into umbels that attract a high diversity of insect visitors. The Apiaceae are considered to be highly generalist in terms of pollination, due to their simple and uniform floral display and easily accessible floral rewards. Three populations of T. incisa located between 70 km and 210 km apart were studied over 2-3 years. The few studies investigating spatial and temporal variation simultaneously over geographic and yearly/seasonal scales indicate that there is a trend for more spatial than temporal variation in pollinators of generalist-pollinated plants. My study showed both spatial and temporal variation in assemblage composition among all populations and variation in insect visitation rates, in the form of a significant population by year interaction. However, removing ants from the analyses to restrict the assemblage to flying insects and the most likely pollinators, resulted in a significant difference in overall visitation rate between years but no difference in assemblage composition between the Myall Lakes and Tomago populations. These results indicate more temporal than spatial variation in the flying insect visitor assemblage of T. incisa. Foraging behaviour provides another source of variation in plant-pollinator interactions. Trachymene incisa exhibits umbels that function as either male or female at any one time and offer different floral rewards in each phase. For successful pollination, pollinators must visit both male and female umbels during a foraging trip. Insects showed both preferences and non-preferences for umbel phases in natural patches where the gender ratio was male biased. In contrast, insects showed no bias in visitation during a foraging trip or in time spent foraging on male and female umbels in experimental arrays where the gender ratio was equal. Pollinator assemblages consisting of a mixture of different pollinator types coupled with temporal variation in the assemblages of populations among years maintains generalisation at the population/local level. In addition, spatial variation in assemblages among populations maintains generalisation at the species level. Fire alters pollination in T. incisa by shifting the flowering season and reducing the abundance of flying insects. Therefore, fire plays an important role in maintaining spatial and temporal variation in this fire-prone system. Although insect pollinators are important in determining the mating opportunities of 90% of flowering plant species worldwide, few studies have looked at the effects of variation in pollinator assemblages on plant reproductive success and mating. In T. incisa, high insect visitation rates do not guarantee high plant reproductive success, indicating that the quality of visit is more important than the rate of visitation. This is shown by comparing the Agnes Banks and Myall Lakes populations in 2003: Agnes Banks received the highest visitation rate from an assemblage dominated by ants but produced the lowest reproductive output, and Myall Lakes received the lowest visitation rate by an assemblage dominated by a native bee and produced the highest seedling emergence. Interestingly, populations with different assemblage composition can produce similar percentage seed set per umbel. However, similar percentage seed set did not result in similar percentage seedling emergence. Differences among years in reproductive output (total seed production) were due to differences in umbel production (reproductive effort) and proportion of umbels with seeds, and not seed set per umbel. Trachymene incisa is self-compatible and suffers weak to intermediate levels of inbreeding depression through early stages of the life cycle when seeds are self-pollinated and biparentally inbred. Floral phenology, in the form of synchronous protandry, plays an important role in avoiding self-pollination within umbels and reducing the chance of geitonogamous pollination between umbels on the same plant. Although pollinators can increase the rate of inbreeding in T. incisa by foraging on both male and female phase umbels on the same plant or closely related plants, most consecutive insect movements were between plants not located adjacent to each other. This indicates that inbreeding is mostly avoided and that T. incisa is a predominantly outcrossing species, although further genetic analyses are required to confirm this hypothesis. A new conceptual understanding has emerged from the key empirical results in the study of this model generalised pollination system. The large differences among populations and between years indicate that populations are not equally serviced by pollinators and are not equally generalist. Insect visitation rates varied significantly throughout the day, highlighting that sampling of pollinators at one time will result in an inaccurate estimate and usually underestimate the degree of generalisation. The visitor assemblage is not equivalent to the pollinator assemblage, although non-pollinating floral visitors are likely to influence the overall effectiveness of the pollinator assemblage. Given the high degree of variation in both the number of pollinator species and number of pollinator types, I have constructed a model which includes the degree of ecological and functional specialisation of a plant species on pollinators and the variation encountered across different levels of plant organisation. This model describes the ecological or current state of plant species and their pollinators, as well as presenting the patterns of generalisation across a range of populations, which is critical for understanding the evolution and maintenance of the system. In-depth examination of pollination systems is required in order to understand the range of strategies utilised by plants and their pollinators, and I advocate a complete floral visitor assemblage approach to future studies in pollination ecology. In particular, future studies should focus on the role of introduced pollinators in altering generalised plant-pollinator systems and the contribution of non-pollinating floral visitors to pollinator assemblage effectiveness. Comparative studies involving plants with highly conserved floral displays, such as those in the genus Trachymene and in the Apiaceae, will be useful for investigating the dynamics of generalised pollination systems across a range of widespread and restricted species.
8
Winberg, Pia Carmen. "Confronting the challenges of tidal flat conservation spatial patterns and human impacts in a Marine Protected Area in southern NSW, Australia /". Access electronically, 2008. http://ro.uow.edu.au/theses/123.
Testo completo
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Mactaggart, Barbara Gilmore. "Characterising and understanding swampy meadows in the NSW Central Tablelands region: a prerequisite for their restoration". Thesis, The University of Sydney, 2008. http://hdl.handle.net/2123/9028.
Testo completoAbstract (sommario):
This thesis was a multidisciplinary examination of the swampy meadow landform system with particular relevance to the New South Wales Central Tablelands. The research investigated the swampy meadow on many scalar and modal levels, from global scale systematics, through to regional historic reconstruction and prediction of their distribution, and finally to a valley-scale examination of the geomorphic, hydrogeological, and ecological attributes of a near natural spring-fed swampy meadow. The research was premised on the likelihood that the findings would be pivotal to swampy meadow restoration theory and practice. Swampy meadows, characterised by non-incised, discontinuous channels vegetated with dense tussock grass, sedges and rushes, were once common in the region. The impacts of European land-use have, however, contributed significantly to their widespread and rapid degradation. The detrimental affects of swampy meadow degradation are increasingly being recognised by scientists and resource managers and have led to a heightened sense of the need for their restoration, management and conservation. While swampy meadow evolution, form and function are relatively well understood geomorphically, there is a paucity of multi-disciplinary knowledge, particularly in relation to their ecology and hydrology. The research undertaken in this study followed many lines of enquiry. First, an examination of the systematics and nomenclature used to describe the swampy meadow found that the use of many different terms creates confusion, and the lack of a precise definition very likely limits knowledge transfer. The inadequate definitional status of swampy meadows also hinders our ability to protect and restore these landforms within the current legislative framework. A more precise taxonomic definition of the swampy meadow was constructed by considering their geomorphic, hydrologic, ecologic and evolutionary characteristics. An attempt was also made to reconstruct the distribution and characteristics of the swampy meadow in the Central Tablelands using both historic documentation and a gradsect sampling of 70 swampy meadows. It became evident that, at the time of early European settlement, problems with landform recognition and a general lack of a perceived necessity to record swampy meadow-type features, resulted in scant and often unreliable recordings. The contemporary analyses of the swampy meadows sampled indicated there is a high variance in environments suitable for their development, and a high degree of swampy meadow heterogeneity in the region. Therefore, based on these data, predicting where swampy meadows are likely to occur or would have occurred prior to European settlement remains a very imprecise science. What swampy meadows all have in common, however, is that they develop in a low energy environment and one which maintains permanent or periodically high soil moisture. Further, to test theories, provide descriptions and generate theories of how swampy meadows may function in a natural landscape, a natural spring-fed swampy meadow was used as a case study. Based on piezometer readings, soil logs and vegetation transects, a major finding to emerge was the high degree of heterogeneity and complexity observed in the spring-fed system in relation to its hydrogeological, ecological and physical characteristics. The small scale variability of groundwater movement, coupled with the complexity of valley sediments and their differential permeabilities, makes any spatio-temporal prediction of groundwater behaviour and soil water status difficult. Another major finding which is important for our understanding of ecosystem resilience and recovery is that the plant communities in this swampy meadow are dominated by only a few species that are both abundant and have high constancy. It is reasoned that plant life-form and function contribute more towards ecosystem stability, organic matter accumulation, and sediment aggradation than do species diversity. Finally, in a time of climate uncertainty and shortages of available water, restoring the hydrological functioning of swampy meadows is imperative. It is suggested that for the effective and appropriate restoration of swampy meadows, a review and an amendment of the current policies and legislation is warranted. As well, due recognition of the hydro-biophysical characteristics of the swampy meadow needs to be given in the definition, and a greater multi-disciplinary understanding of the complexity and heterogeneity of the landform is required.
10
Washington, Haydn G. "The wilderness knot". Click here for electronic access to document: http://arrow.uws.edu.au:8080/vital/access/manager/Repository/uws:44, 2006. http://arrow.uws.edu.au:8080/vital/access/manager/Repository/uws:44.
Testo completoAbstract (sommario):
Thesis submitted for the degree of Doctor of Philosophy University of Western Sydney.Title from electronic document (viewed 2/6/10) Interviews held with: "James' Dharug, Traditional Custodian; Dr. Rob Lesslie, conservation biologist, Dr. Val Plumwood, environmental philosopher, Virginia Young, Director WildCountry Project, Professor Mike Archer, Dr. Deborah Bird Rose, anthropologist, Ms. Penny Figgis, former Vice President of ACF, Dr. Tim Flannery, Director South Australian Museum, Mr. Dean Stewart, Aboriginal Education Officer, Melbourne Botanic Gardens, Dr. Rosemary Hill, ACF Northern Lands Project Officer, Professor Harry Recher.
Libri sul tema "Ecology, NSW"
1
Michael, Damian. Reptiles of the NSW Murray catchment: A guide to their identification, ecology, and conservation. Collingwood, Vic: CSIRO Publishing, 2010.
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2
Nature Conservation Council of NSW. Seminar. Bushfire!: Looking to the future : papers from the Nature Conservation Council of NSW Seminar, June 1994. Sydney: Envirobook, 1995.
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3
Ecology, writing theory, and new media: Writing ecology. New York: Routledge, 2011.
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4
Andel, J. van. Restoration ecology: The new frontier. 2a ed. Hoboken, NJ: Wiley, 2012.
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5
1934-, Jørgensen Sven Erik, a cura di. A new ecology: Systems perspective. Amsterdam: Elsevier, 2007.
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Ecology & liberation: A new paradigm. Maryknoll, N.Y: Orbis Books, 1995.
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Boff, Leonardo. Ecology & liberation: A new paradigm. Maryknoll, N.Y: Orbis Books, 1995.
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R, Burk A., a cura di. New developments in ecology research. New York: Nova Science Publishers, 2004.
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Ecosystem ecology: A new synthesis. Cambridge: Cambridge University Press, 2010.
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10
The ecology of Eden. New York: Alfred A. Knopf, 1998.
Cerca il testo completoCapitoli di libri sul tema "Ecology, NSW"
1
Träubel, Harro. "Ecology". In New Materials Permeable to Water Vapor, 272–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-59978-1_28.
Testo completo
2
Green, David G., Nicholas I. Klomp, Glyn Rimmington e Suzanne Sadedin. "Digital Ecology: New Technologies Are Revolutionizing Ecology". In Complexity in Landscape Ecology, 197–224. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-46773-9_10.
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3
McColley, Diane Kelsey. "Milton and Ecology". In A New Companion to Milton, 157–73. Chichester, UK: John Wiley & Sons, Ltd, 2016. http://dx.doi.org/10.1002/9781118827833.ch10.
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4
Herrmann-Pillath, Carsten, e Christian Hederer. "Evolution, ecology, economy". In A New Principles of Economics, 67–98. London: Routledge, 2022. http://dx.doi.org/10.4324/9781003094869-7.
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Cole, Russell, e Conrad Pilditch. "New Zealand, Coastal Ecology". In Encyclopedia of Earth Sciences Series, 1276–81. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_227.
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Cole, Russell, e Conrad Pilditch. "New Zealand, Coastal Ecology". In Encyclopedia of Earth Sciences Series, 1–6. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-48657-4_227-2.
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Gornitz, Vivian, Nicholas C. Kraus, Nicholas C. Kraus, Ping Wang, Ping Wang, Gregory W. Stone, Richard Seymour et al. "New Zealand, Coastal Ecology". In Encyclopedia of Coastal Science, 705–9. Dordrecht: Springer Netherlands, 2005. http://dx.doi.org/10.1007/1-4020-3880-1_227.
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Magalhães, Catarina, Alfredo Martins e Antonina Dos Santos. "New Approaches to Study Jellyfish". In Zooplankton Ecology, 227–51. First. | Boca Raton: CRC Press, [2021]: CRC Press, 2020. http://dx.doi.org/10.1201/9781351021821-13.
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Ghosh, Santosh. "Perspectives on the Environment: New Options". In Urban Ecology, 25–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-88583-9_3.
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Zinder, Stephen H., e Abigail A. Salyers. "Microbial Ecology—New Directions, New Importance". In Bergey’s Manual® of Systematic Bacteriology, 101–9. New York, NY: Springer New York, 2001. http://dx.doi.org/10.1007/978-0-387-21609-6_12.
Testo completoAtti di convegni sul tema "Ecology, NSW"
1
Rui Zhang e Yi Zhang. "New strategic mode: strategic ecology management". In Proceedings of ICSSSM '05. 2005 International Conference on Services Systems and Services Management, 2005. IEEE, 2005. http://dx.doi.org/10.1109/icsssm.2005.1499432.
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Lana, Luca. "Queer Terrain: Architecture of Queer Ecology". In The 38th Annual Conference of the Society of Architectural Historians Australia and New Zealand. online: SAHANZ, 2022. http://dx.doi.org/10.55939/a4016p5dw3.
Testo completoAbstract (sommario):
This paper seeks to ally the interdisciplinary frameworks offered by ‘Queer Ecology’ with an architectural inquiry to expand both fields. Queer theory alone offers scant discussions of material and architectural practices, while environmental discourse in architecture fails to address its role in ecological and social-political violence. A clothing-optional / cruising beach in rural Victoria, Sandy Beach also known as Somers Beach, exemplifies how the queer body’s navigation of space responds to complex ecological, urban, and social conditions. A queering of architectural definitions allows this site to be researched as a historically significant urban/architectural site of social and environmental value. It is suggested that the subtle yet complex practices of site transformations enacted through occupation are an architecture of environmental connective possibility. ‘Queered’ corporeality orientates the body and material practices towards assemblages where boundaries between humans and nature are transgressed, ultimately constituting a ‘queer ecological architecture’
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Liu, Zhaoming, e Yangbo Chi. "Study on A New Ecology Insulating Riser". In International Conference on Material and Environmental Engineering (ICMAEE 2014). Paris, France: Atlantis Press, 2014. http://dx.doi.org/10.2991/icmaee-14.2014.15.
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Косьян, Р., R. Kos'yan, И. Подымов e I. Podymov. "A VIETNAM-RUSSIAN FIELD SURVEY FOR STUDYING OF THE NEAR SHORE DYNAMIC AND SEDIMENT PROCESSES". In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce3ab7bed80.78990611.
Testo completoAbstract (sommario):
The significant part of mankind lives in the coastal zone of the seas which plays the important role in the economic development of the seaside states. Now tendencies of coast destruction and significant influence of anthropogenous factors on the coastal zone are in the center of scientific community attention. The basic purpose of the project is the creation of new ideas about interaction of hydrosphere and lithosphere in the coastal zone with intensive anthropogenous load conditions. In 2011 the brief characteristic of evolution of coast based on literature and field materials has been made and measurements of highfrequency fluctuations of the suspended sediment concentration in storm conditions in area of Red River delta (Vietnam) were conducted. Such works were carried out by joint efforts of the Russian and Vietnamese researchers for the
first time. The combination of new and already available at the both parties’ data allows receiving interesting results and elucidating in a new fashion the problem of our countries coastal management.
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Ci Zhang, Xiaoguang Xue e Kailei Xi. "Industrial ecology: A new mode of economic development". In 2011 2nd International Conference on Artificial Intelligence, Management Science and Electronic Commerce (AIMSEC). IEEE, 2011. http://dx.doi.org/10.1109/aimsec.2011.6010389.
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Li, Ying, Meng Xi, Hui Chen e Jianwei Yin. "Service Language Model: New Ecology for Service Development". In The 30th International Conference on Software Engineering and Knowledge Engineering. KSI Research Inc. and Knowledge Systems Institute Graduate School, 2018. http://dx.doi.org/10.18293/seke2018-214.
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Breaux, Travis D., e Thomas A. Alspaugh. "Governance and accountability in the new data ecology". In 2011 Fourth International Workshop on Requirements Engineering and Law (RELAW). IEEE, 2011. http://dx.doi.org/10.1109/relaw.2011.6050267.
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Silveri, Luana. "THE GAME OF LEARNING! APPROACHING ECOSYSTEMS THROUGH BOARD GAME DESIGN". In International Conference on Education and New Developments. inScience Press, 2022. http://dx.doi.org/10.36315/2022v2end037.
Testo completoAbstract (sommario):
"Game-based learning is proven to be a motivational and effective approach, especially in STEM education. However, the process of developing a game is rarely used as an educational tool. Ecology is part of the science curriculum in Italian high schools, but for students results not easy to understand the ecosystem structures and functions from a systemic perspective. Furthermore, addressing ecological issues in a changing world will request them not a reductionist approach but a systems perspective. In this work our main objective is to consider further possibilities offered by board games, exploiting not only the game experience but also the use of the game design process as an immersive motivational learning tool for science, with a learning by doing approach. Ten students have been engaged (16-18) in two activities: events to test and analyse cooperative board games and a laboratory for the development of a new board game on ecosystems (""YouTopia – La Valle ecosistemica""). Two focus groups were conducted, before and at the end of the laboratory, to test students' engagement and to collect feedback about the efficacy of the method to boost interest and specific knowledge in ecology. The research reveals that game development can foster system thinking skills among students, and act as a powerful learning tool for complex subjects such as ecology. Results are encouraging and the proposed approach has the potential to be applied and replicated in high school and middle school, to foster students’ engagement in tackling and understanding topics such as evolution, genetics other topics characterized by complexity and systemic approach. Preliminary results show as the YouTopia game could be a valid tool for citizenship education. By playing the game, students investigate and practice democracy, the mechanisms of land planning and natural resources protection, and the principle of coresponsibility in making choices for the future."
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Lazareva, Anastasiya, e Anna Kiseleva. "THE METHODOLOGY OF TEACHING ECOLOGY DEPARTMENT STUDENTS TRANSLATION SKILLS". In 10th International Conference on Education and New Learning Technologies. IATED, 2018. http://dx.doi.org/10.21125/edulearn.2018.1315.
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Mollo, Ernesto. "Steps towards increasing interaction between chemical ecology and pharmacology". In New frontiers in natural product chemistry, scientific seminar with international participation. Institute of Chemistry, 2021. http://dx.doi.org/10.19261/nfnpc.2021.ab03.
Testo completoRapporti di organizzazioni sul tema "Ecology, NSW"
1
Velázquez, A., D. Renó, AM Beltrán Flandoli, JC Maldonado Vivanco e C. Ortiz León. From the mass media to social media: reflections on the new media ecology. Revista Latina de Comunicación Social, marzo 2018. http://dx.doi.org/10.4185/rlcs-2018-1270en.
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2
Wade, Gary L., Jonathan A. Myers, Cecilia R. Martin, Kathie Detmar, William, III Mator, Mark J. Twery e Mike Rechlin. Vascular Plant Species of the Forest Ecology Research and Demonstration Area, Paul Smith's, New York. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station, 2003. http://dx.doi.org/10.2737/ne-rn-380.
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Taylor, Jimmy D., Greg K. Yarrow e James E. Miller. Beavers. U.S. Department of Agriculture, Animal and Plant Health Inspection Service, marzo 2017. http://dx.doi.org/10.32747/2017.7207729.ws.
Testo completoAbstract (sommario):
The American beaver (Castor canadensis) is known as an “ecosystem engineer” because of the benefits their dams provide to biological diversity and ecosystem function. It also is considered a “keystone species” because of its ability to transform its environment, creating new habitats upon which other species depend. Despite the many positive benefits beavers provide through foraging and dam building, beavers also create conflict with people when their activities cause damage. The focus of this publication is to provide basic information on beaver ecology, damage, and management.
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Ganey, Joseph L., James P. Ward e David W. Willey. Status and ecology of Mexican spotted owls in the Upper Gila Mountains recovery unit, Arizona and New Mexico. Ft. Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2011. http://dx.doi.org/10.2737/rmrs-gtr-256.
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Bercovier, Herve, e Ronald P. Hedrick. Diagnostic, eco-epidemiology and control of KHV, a new viral pathogen of koi and common carp. United States Department of Agriculture, dicembre 2007. http://dx.doi.org/10.32747/2007.7695593.bard.
Testo completoAbstract (sommario):
Original objectives and revisions-The proposed research included these original objectives: field validation of diagnostic tests (PCR), the development and evaluation of new sensitive tools (LC-PCR/TaqManPCR, antibody detection by ELISA) including their use to study the ecology and the epidemiology of KHV (virus distribution in the environment and native cyprinids) and the carrier status of fish exposed experimentally or naturally to KHV (sites of virus replication and potential persistence or latency). In the course of the study we completed the genome sequence of KHV and developed a DNA array to study the expression of KHV genes in different conditions. Background to the topics-Mass mortality of koi or common carp has been observed in Israel, USA, Europe and Asia. These outbreaks have reduced exports of koi from Israel and have created fear about production, import, and movements of koi and have raised concerns about potential impacts on native cyprinid populations in the U.S.A. Major conclusions-A suite of new diagnostic tools was developed that included 3 PCR assays for detection of KHV DNA in cell culture and fish tissues and an ELISA assay capable of detecting anti-KHV antibodies in the serum of koi and common carp. The TKPCR assay developed during the grant has become an internationally accepted gold standard for detection of viral DNA. Additionally, the ELISA developed for detecting serum anti-KHV antibodies is now in wide use as a major nonlethal screening tool for evaluating virus status of koi and common carp populations. Real time PCR assays have been able to detect viral DNA in the internal organs of survivors of natural and wild type vaccine exposures at 1 and 10³ genome equivalents at 7 months after exposure. In addition, vaccinated fish were able to transmit the virus to naive fish. Potential control utilizing hybrids of goldfish and common carp for production demonstrated they were considerably more resistant than pure common carp or koi to both KHV (CyHV-3). There was no evidence that goldfish or other tested endemic cyprinids species were susceptible to KHV. The complete genomic sequencing of 3 strains from Japan, the USA, and Israel revealed a 295 kbp genome containing a 22 kbp terminal direct repeat encoding clear gene homologs to other fish herpesviruses in the family Herpesviridae. The genome encodes156 unique protein-coding genes, eight of which are duplicated in the terminal repeat. Four to seven genes are fragmented and the loss of these genes may be associated with the high virulence of the virus. Viral gene expression was studies by a newly developed chip which has allowed verification of transcription of most all hypothetical genes (ORFs) as well as their kinetics. Implications, both scientific and agricultural- The results from this study have immediate application for the control and management of KHV. The proposal provides elements key to disease management with improved diagnostic tools. Studies on the ecology of the virus also provide insights into management of the virus at the farms that farmers will be able to apply immediately to reduce risks of infections. Lastly, critical issues that surround present procedures used to create “resistant fish” must be be resolved (e.g. carriers, risks, etc.). Currently stamping out may be effective in eradicating the disease. The emerging disease caused by KHV continues to spread. With the economic importance of koi and carp and the vast international movements of koi for the hobby, this disease has the potential for even further spread. The results from our studies form a critical component of a comprehensive program to curtail this emerging pathogen at the local, regional and international levels.
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Lavadenz, Magaly, Jongyeon Ee, Elvira Armas e Grecya López. Leaders’ Perspectives on the Preparation of Bilingual/Dual Language Teachers. Center for Equity for English Learners, 2021. http://dx.doi.org/10.15365/ceel.policy.10.
Testo completoAbstract (sommario):
This research and policy brief uplifts findings from a 2020 survey of 223 California school district leaders. Findings regarding the preparation of beginning bilingual/dual language educators indicate that leaders rated teachers’ linguistic competencies in two languages as the most important ability, followed by teachers’ understanding of bilingualism and biliteracy development and linguistic pedagogical knowledge. Respondents rated beginning bilingual teachers’ preparation to meet the needs of their districts/schools as “moderately well” (M=3.1 out of 5). The brief concludes by identifying policy recommendations for state and local levels as well as for institutions of higher education policies and practice in this statewide “new ecology of biliteracy”: (1) data collection and reporting on bilingual teacher demographics and authorization; (2) increased quality of fieldwork and clinical experiences for future bilingual teachers; (3) increased funding for bilingual teacher preparation programs to diversity pipelines into bilingual education preparation programs, recruitment, support, and program completion; and (4) differentiated professional development experiences for beginning bilingual teachers including mentoring, learning communities, and cross-departmental teams.
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Morkun, Volodymyr S., Сергій Олексійович Семеріков, Svitlana M. Hryshchenko e Kateryna I. Slovak. System of competencies for mining engineers. Видавництво “CSITA”, 2016. http://dx.doi.org/10.31812/0564/719.
Testo completoAbstract (sommario):
Topicality of the material, highlighted in this article is stipulated by the need to ensure effectiveness of educational process while preparing mining engineers. System of competencies for future mining engineers, taken as basis for high school sectoral standard for Mining 6.050301 update is theoretically substantiated and developed. Sources of state-of-the-art foreign educational system and technologies as well as scientific research results of local teachers have been analyzed, enabling development of new sectoral standard. Switching to new high school competencies-based sectoral standards is the necessary step in high education reforming in Ukraine, while the application of competencies-based approach to high school sectoral standards development facilitates tuning of education towards labour market’s requirements and demands, further development of educational techniques and educational system as a whole. Objective of the article: to project system of competencies and to define components of environmental competencies for mining engineers. Methods: – theoretical: analysis, generalization, systematization of legislative framework, educational standards, Internet - sources in order to distinguish theoretical basis of research, develop system of competencies for future mining engineers. – Empirical – improvement of system of competencies for future mining engineers. Scientific novelty is represented with structured system, consisting of 49 competencies, comprising the core of new sectoral standard for mining engineers preparation; Practical importance of the outcomes is related to developments: separate constituents of high school draft sectoral standard for Mining engineers bachelors’ preparation 6.050301 Mining (system of social & personal, general scientific, tool-based, general professional and special professional competencies. Research outcomes can be used while developing educational qualification profile and training program for Mining bachelors 6.050301 education field, in course of geoinformational technologies review by ecology, land survey and geography bachelors.
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DeBarger, Angela, e Geneva Haertel. Evaluation of Journey to El Yunque: Final Report. The Learning Partnership, dicembre 2006. http://dx.doi.org/10.51420/report.2006.1.
Testo completoAbstract (sommario):
This report describes the design, implementation and outcomes of the initial version of the NSF-funded Journey to El Yunque curriculum, released in 2005. As formative evaluators, the role of SRI International was to document the development of the curriculum and to collect empirical evidence on the impact of the intervention on student achievement. The evaluation answers four research questions: How well does the Journey to El Yunque curriculum and accompanying assessments align with the National Science Education Standards for content and inquiry? How do teachers rate the effectiveness of the professional development workshop in teaching them to use the Journey to El Yunque curriculum and assessment materials? How do teachers implement the Journey to El Yunque curriculum? To what extent does the Journey to El Yunque curriculum increase students’ understanding ofecology and scientific inquiry abilities? The evaluators concluded that Journey to El Yunque is a well-designed curriculum and assessment replacement unit that addresses important science content and inquiry skills. The curriculum and assessments are aligned to life science content standards and key ecological concepts, and materials cover a broad range of these standards and concepts. Journey to El Yunque students scored significantly higher on the posttest than students learning ecology from traditional means with effect size 0.20.
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Ward, L., Z. McAvoy e E. Nagel. Mapping of the major morphologic features and seafloor sediments of the New Hampshire Continental Shelf using the Coastal and Marine Ecologic Classification Standard (CMECS). Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2017. http://dx.doi.org/10.4095/305940.
Testo completo
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Hedrick, Ronald, e Herve Bercovier. Characterization and Control of KHV, A New Herpes Viral Pathogen of Koi and Common Carp. United States Department of Agriculture, gennaio 2004. http://dx.doi.org/10.32747/2004.7695871.bard.
Testo completoAbstract (sommario):
In this project we proposed to characterize the virus genome and the structural virion polypeptides to allow development of improved diagnostic approaches and potential vaccination strategies. These goals have been mostly achieved and the corresponding data were published in three papers (see below) and three more manuscripts are in preparation. The virion polypeptides of KHV strains isolated from USA (KHV-U) and Israel (KHV-I) were found to be identical. Purified viral DNA analyzed with a total of 5 restriction enzymes demonstrated no fragment length polymorphism between KHV-I and KHV-U but both KHV isolates differed significantly from the cyprinid herpesvirus (CHV) and the ictalurid herpesvirus (channel catfish virus or CCV). Using newly obtained viral DNA sequences two different PCR assays were developed that need to be now further tested in the field. We determined by pulse field analysis that the size of KHV genome is around 280 kbp (1-1. Bercovier, unpublished results). Sequencing of the viral genome of KHV has reached the stage where 180 kbp are sequenced (twice and both strands). Four hypothetical genes were detected when DNA sequences were translated into amino acid sequences. The finding of a gene of real importance, the thymidine kinase (TK) led us to extend the study of this specific gene. Four other genes related to DNA synthesis were found. PCR assays based on defined sequences were developed. The PCR assay based on TK gene sequence has shown improved sensitivity in the detection of KHV DNA compared to regular PCR assays. </P> <P><SPAN>With the ability to induce experimental infections in koi with KHV under controlled laboratory conditions we have studied the progress and distribution of virus in host tissues, the development of immunity and the establishment of latent infections. Also, we have investigated the important role of water temperature on severity of infections and mortality of koi following infections with KHV. These initial studies need to be followed by an increased focus on long-term fate of the virus in survivors. This is essential in light of the current "controlled exposure program" used by farmers to produce KHV "naturally resistant fish" that may result in virus or DNA carriers. </SPAN></P> <P><SPAN>The information gained from the research of this project was designed to allow implementation of control measures to prevent the spread of the virus both by improved diagnostic approaches and preventive measures. We have accomplished most of these goals but further studies are needed to establish even more reliable methods of prevention with increased emphases on improved diagnosis and a better understanding of the ecology of KHV. </SPAN>