Bibliografías temáticas / Banksia – Western Australia – Perth Region

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Literatura académica sobre el tema "Banksia – Western Australia – Perth Region"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 1 de febrero de 2022

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Artículos de revistas sobre el tema "Banksia – Western Australia – Perth Region"

Johnstone, R. E., T. Kirby y K. Sarti. "The breeding biology of the Forest Red-tailed Black Cockatoo Calyptorhynchus banksii naso Gould in south-western Australia. II. Breeding behaviour and diet". Pacific Conservation Biology 19, n.º 2 (2013): 143. http://dx.doi.org/10.1071/pc130143.

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Little is known of the breeding behaviour of the Forest Red-tailed Black Cockatoo Calyptorhynchus banksii naso (FRTBC), a large, iconic forest cockatoo, endemic to the south-west corner of Western Australia, currently listed as Vulnerable under the State Western Australian Wildlife Conservation Act and under the Commonwealth Environment Protection and Biodiversity Conservation Act. In this paper, we provide details of breeding behaviour of FRTBC based on observations throughout the year over 17 years, together with observations of diet and feeding behaviour over the same period. FRTBC are monogamous hollow-nesters. Breeding was recorded in all months, with peaks in autumn-winter (April– June) and spring (August–October), with few records in January and February. Breeding also varied between years, with little breeding in 1999, 2001 and 2008, but many observations in 2006 and 2009. Breeding occurred at times of fruiting of either of the principal feed trees, Jarrah Eucalyptus marginata or Marri Corymbia calophylla, so it does not depend solely on one or the other of these species. Courtship displays were noted at all times of the day, from before dawn at roost sites to dusk. In total, 205 breeding events were recorded, of which 69 (93%) of 72 nests had breeding confirmed on a second visit. Use of particular nest hollows varied considerably, with some used only once and some up to seven times. Only one egg is laid, which the female incubates for 29 to 31 days, before a nestling hatches weighing between 27 and 32 g. The female remains in the hollow during incubation and only leaves for a short period in the evening to be fed by the male, usually at dusk. The chicks are brooded for up to 10 days, after which the female leaves the nest between dawn and dusk. Pairs of birds appear to recognise each other by calls, not responding to calls by others in the area. Chicks only respond when the parent is heard. Chicks are fully feathered at 48 days. Fledgling success was estimated at 60%. Juveniles remain dependent on the adults 18 months to 2 years. Thirty-seven chicks were banded between 1997 and 2011. Juvenile-immature birds moved on average less than 3 km from their natal tree and older birds were observed moving up to 19 km. This suggests that FRTBC are generally sedentary. Immature birds took up to three times as long as their parents to open Jarrah or Marri nuts and eat the seeds. In recent years there has been an interesting change in foraging behaviour of birds in the northern Darling Range (adjacent to the Perth metropolitan area) with the FRTBC discovering and using a new food source, the introduced Cape Lilac Melia azedarach, and this species is of growing importance as food in the Perth region. In combination, the data on breeding biology and diet highlight the importance of identifying recruitment rates and food availability in managing populations of FRTBC.

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Hobbs, RJ y L. Atkins. "Fire-Related Dynamics of a Banksia Woodland in South-Western Western Australia". Australian Journal of Botany 38, n.º 1 (1990): 97. http://dx.doi.org/10.1071/bt9900097.

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We studied the post-fire vegetation development of a low open woodland dominated by Banksia attenuata and B. menziesii near Perth, Western Australia. Two similar stands burned in autumn and spring displayed different regeneration patterns, with seedling regeneration occurring only in the autumn burn area. Vegetative regrowth was more rapid and post-fire species numbers were higher in the spring burn area. Introduced annuals increased significantly in the autumn fire area. Longer-term vegetation development was studied in a series of stands ranging in age since last fire from 1 to >44 years. Species richness was greatest in the 5-year-old stand, and many shrub species were most abundant 2-5 years after fire. Non-native annuals were found only in stands less than 5 years old since last fire. Dominance by the shrub Eremaea pauciflora increased with stand age, although shrub structure and total biomass did not vary greatly except in the oldest stand studied. The proportion of total shrub biomass accounted for by leaves declined with stand age. Both the two major Banksia species had mixed size structures with seedlings present in all stands, indicating that neither is dependent on fire for recruitment. The results indicate that while autumn burns promote seedling regeneration they may also increase invasion by non-natives, and spring burning may be preferable in these Banksia woodlands. Burning rotations longer than those required for fuel reduction purposes are necessary to maximise conservation values.

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Ramsey, MW. "Floret Opening in Banksia menziesii R.Br.; The Importance of Nectarivorous Birds". Australian Journal of Botany 36, n.º 2 (1988): 225. http://dx.doi.org/10.1071/bt9880225.

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The rates and causes of floret opening in Banksia menziesii were examined in banksia woodland near Perth, Western Australia. On average, 40-60 florets opened per 24 h but this rate was highly variable over the flowering of individual inflorescences. The ages of inflorescences did not greatly influence the rate of floret opening, although fewer florets opened towards the end of flowering. Floret opening occurred predominantly during the day. The numbers of florets opening were similar in wet and dry weather conditions. Florets opened mainly in response to foraging by nectarivorous birds (Meliphagidae) but not honey bees. This would result in more effective pollen transfer to potential avian vectors which may enhance reproductive success.

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Brown, Kate, Kris Brooks, Sally Madden y Janice Marshall. "Control of the exotic bulb, Yellow Soldier (Lachenalia reflexa) invading a Banksia woodland, Perth, Western Australia". Ecological Management and Restoration 3, n.º 1 (abril de 2002): 28–36. http://dx.doi.org/10.1046/j.1442-8903.2002.00094.x.

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Hurley, P. J. y P. C. Manins. "Meteorological Modeling on High-Ozone Days in Perth, Western Australia". Journal of Applied Meteorology 34, n.º 7 (1 de julio de 1995): 1643–52. http://dx.doi.org/10.1175/1520-0450-34.7.1643.

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Abstract The West Australian capital city of Perth is located on a coastal plain between the sea to the west and an escarpment rising to the east. It is isolated from all other cities or sources of pollution. In this study, the meteorological conditions leading to high ozone levels have been classified according to the dominant weather patterns using both synoptic charts and air monitoring data. The data revealed that practically all high-ozone days were associated with recirculation of ozone or its precursors. Meteorological modeling was then performed for the generic conditions leading to high ozone in the Perth region. The modeling predicted that recirculation of surface air over the Perth region was common. Both same-day and next-day recirculation of surface air are features of the model predictions and are conducive to high ozone levels. The modeling predicts day-by-day buildup of smog to be a favored occurrence under these synoptic conditions. Other interesting meteorological features seen in Perth observations on high-ozone days were also predicted by the modeling, including stalling sea breezes under some conditions, hydraulic jump effects over the escarpment, and mesoscale enhancement of the west coast trough.

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Bamford, MJ. "The Impact of Fire and Increasing Time After Fire Upon Heleioporus Eyrei, Limnodynastes Dorsalis and Myobatrachus Gouldii (Anura: Leptodactylidae) in Banksia Woodland Near Perth, Western Australia." Wildlife Research 19, n.º 2 (1992): 169. http://dx.doi.org/10.1071/wr9920169.

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Banksia woodland is a seasonally arid and fire-prone environment. Although a seemingly inhospitable environment for frogs, seven species were recorded in pitfall-trapping carried out in six areas of Banksia woodland near Perth from April 1983 to March 1986. These areas had different fire histories, ranging from recently burnt to unburnt for 23 years. One of the areas was burnt during the course of the study. Three species made up 95% of captures, viz. Heleioporus eyrei, Limnodynastes dorsalis and Myobatrachus gouldii. Annual numbers of captures of H. eyrei were not greatly affected by fire or increasing time after fire. L. dorsalis and, to a lesser extent, M. gouldii were caught in greater numbers in long-unburnt areas than in recently burnt areas. Variation in the abundance of L. dorsalis and M. gouldii with time after fire did not appear to be related to changes in leaf litter and vegetation density, or to the abundance of invertebrates as potential prey.

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Jordan, C. C., M. H. Brims, E. J. Speijers y E. M. Davison. "Myxomycetes on the bark of Banksia attenuata and B. menziesii (Proteaceae)". Australian Journal of Botany 54, n.º 4 (2006): 357. http://dx.doi.org/10.1071/bt05079.

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Myxomycetes on the bark of dead Banksia attenuata and B. menziesii from the Perth metropolitan area of Western Australia were surveyed by the moist chamber technique, to determine whether the flora was similar on both hosts and what were the most important variables that determined the distribution of the most common species. Twenty-seven species of myxomycetes were recovered, including six new records for Australia (Comatricha rigidireta, Echinostelium elachiston, Paradiacheopsis cf. cribrata, P. rigida, Stemonitopsis amoena and S. cf. hyperopta). Members of the order Stemonitales comprised the largest number of species, whereas members of the Liceales occurred on the most bark pieces. The most common species were Licea kleistobolus, Echinostelium minutum, Comatricha elegans, Cribraria minutissima and Paradiacheopsis fimbriata. Overall, B. menziesii and B. attenuata had very similar myxomycete productivity, diversity and species assemblage, as did the tops and bottoms of the logs. It was concluded that they provided very similar microhabitats for myxomycetes. Both pH and the relative moisture content of the bark had an effect on myxomycete productivity. Bark decomposition level, pH and bark surface (top or bottom) were the most important variables determining the distribution of the most common myxomycete species.

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Appleyard, S. J. "Impact of stormwater infiltration basins on groundwater quality, Perth metropolitan region, Western Australia". Environmental Geology 21, n.º 4 (agosto de 1993): 227–36. http://dx.doi.org/10.1007/bf00775912.

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Hillman, Alison E., Rongchang Yang, Alan J. Lymbery y R. C. Andrew Thompson. "Eimeria spp. infecting quenda ( Isoodon obesulus ) in the greater Perth region, Western Australia". Experimental Parasitology 170 (noviembre de 2016): 148–55. http://dx.doi.org/10.1016/j.exppara.2016.09.012.

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Tangney, Ryan, Nader A. Issa, David J. Merritt, John N. Callow y Ben P. Miller. "A method for extensive spatiotemporal assessment of soil temperatures during an experimental fire using distributed temperature sensing in optical fibre". International Journal of Wildland Fire 27, n.º 2 (2018): 135. http://dx.doi.org/10.1071/wf17107.

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The use of distributed temperature sensing (DTS) for ecological applications has increased rapidly in the last 6 years. Here we demonstrate the first use of DTS to measure soil temperatures during a fuel reduction burn – in an urban grassy Tuart–Banksia woodland remnant near Perth, Western Australia. Optical fibre with an acrylate material coating (diameter 242μm), but no other jacketing or cabling, was buried in the soil at depths between 0 and 5cm. Measurements were recorded over 316m of optical fibre using a DTS measurement unit, providing data over a 5.5-h period at 20-s intervals; resulting in 1243 temporal measurements at 60-cm spatial resolution. Soil temperatures were calibrated to an error of±6.8% at 250°C. Methods for installation, calibration and data visualisation are presented. Issues associated with assessment of DTS data in a fire ecology context are discussed.

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Tesis sobre el tema "Banksia – Western Australia – Perth Region"

Fisher, Judith L. "Fundamental changes to ecosystem properties and processes linked to plant invasion and fire frequency in a biodiverse woodland". University of Western Australia. School of Plant Biology, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0109.

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[Truncated abstract] Mediterranean southwest Australia, a global biodiversity hotspot, has nutrient deficient soils, exacting climatic conditions and is species rich with 7380 native vascular plant species, of which 49% are endemic. The region is expected to experience one of the world's highest degrees of biodiversity loss and change in the coming decades, with introduced species presenting a major threat. Limited knowledge is available on the mechanisms of ecosystem change associated with invasion and fire in this biodiversity hotspot region. Banksia woodland, an iconic complex species-rich natural ecosystem is one of the major vegetation types of the coastal sandplain, extending from 15 to 90 km inland and 400 kms along the west coast. The following hypothesis was tested to explore the ecological impacts of invasion: Is invasion of Banksia woodland by the introduced species Ehrharta calycina and Pelargonium capitatum accompanied by an alteration in ecosystem properties and processes, whereby the degree of change is related to fire frequency and abundance of introduced species? Different vegetation conditions, i.e. Good Condition (GC), Medium Condition (MC), Poor Condition invaded by Ehrharta calycina (PCe) and Poor Condition invaded by Pelargonium capitatum (PCp) were utilized for field assessments. ... In the soil seed bank, species numbers and germinant density decreased significantly for native and seeder (fire sensitive) species between GC sites and invaded sites. Surprisingly 52% of germinants at GC sites were from introduced species, with much of the introduced soil seed bank being persistent. Native species were dominated by perennial shrubs, herbs and sedges, while introduced species were dominated by perennial and annual grasses and herbs. Invasion by introduced species, associated with frequency of fire, altered the ecosystem, thus disadvantaging native species and improving conditions for even greater invasion within the Banksia woodland. Significantly higher soil phosphorus P (total) and P (HCO3) were found at PCe and PCp sites compared to GC sites. Leaf nutrient concentrations of phosphorus were significantly higher, and potassium and copper significantly lower in PCe and PCp sites, with introduced species having significantly greater concentrations than native species (except Manganese). This study demonstrated the key role of phosphorus in the Banksia woodland, in contrast to other research which identified nitrogen as the major nutrient affected by invasion. Higher levels of soil and leaf phosphorus, loss of species diversity and function, changes in fire ecology and canopy cover and a limited native soil seed bank make restoration of a structural and functional Banksia woodland from the soil seed bank alone unlikely. Without management intervention, continuing future fire is likely to result in a transition of vegetation states from GC to MC and MC to PC. The knowledge gained from this study provides a better ecological understanding of the invasive process. This enhanced understanding will enable the development of adaptive management strategies to improve conservation practices within a biodiversity hotspot and reduce the impact of the key threatening process of invasion.

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Libros sobre el tema "Banksia – Western Australia – Perth Region"

Davidson, W. A. Hydrogeology and groundwater resources of the Perth Region, Western Australia. Perth: Geological Survey of Western Australia, 1995.

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Barbara, Rowland y University of Western Australia Press., eds. Coastal plants: Perth and the south-west region. 2^a ed. Crawley, W.A: University of Western Australia Press, 2004.

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Wildflowers of the West Coast Hills Region: The plants and flowers of the Darling Scarp and Range in the Kalamunda Shire, the backdrop to Perth, Western Australia. Western Australia]: Quality Pub. Australia, 1990.

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Rowland, Barbara y Elizabeth Rippey. Coastal Plants: Perth and the South West Region. Institute of Electrical & Electronics Enginee, 2005.

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Consultants, Feilman Planning, Water Authority of Western Australia. y Western Australian Water Resources Council., eds. Recreational opportunities of rivers and wetlands in the Perth to Bunbury region: Report to Water Authority of Western Australia, Western Australian Water Resources Council. Leederville, W.A: The Council, 1987.

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Barrett, Russell y Eng Pin Tay. Perth Plants. CSIRO Publishing, 2016. http://dx.doi.org/10.1071/9781486306039.

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The city of Perth is well known and treasured for its areas of protected bushland in the heart of the city. Kings Park and Bold Park represent a significant part of the natural heritage of the Swan Coastal Plain and are an important part of city life. The city is also a gateway to the incredible biodiversity to be found in south-west Western Australia. Perth Plants provides a comprehensive photographic guide to all plants known to occur in the bushlands of Kings Park and Bold Park, both native plants and naturalised weeds. There are 778 species included, representing approximately one-quarter of all the plants in the greater Perth region, and one-tenth of all species known for the south-west of Western Australia. This new edition contains 22 additional species and updated photography throughout. It is an essential reference for anyone interested in the plants of south-west Western Australia, and particularly the Swan Coastal Plain.

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Capítulos de libros sobre el tema "Banksia – Western Australia – Perth Region"

"cases, have been from Western Australia, with a further thirteen cases from the Northern Territory. It is also interesting to note that the first confirmed case of encephalitis due to Kunjin virus occurred in Western Australia in 1978, and three additional cases have been diagnosed since, two from Western Australia in 1991 and 1995, and one in Victoria in 1984 (Table 8.1). Most of the cases of Australian encephalitis in Western Australia have occurred in areas distant from the Ord River irrigation area. Of particular significance was the spread of MVE virus from the Kimberley area south to the Pilbara and Gascoyne regions causing one case of encephalitis in 1978 and three cases in 1981. It is hypothesized that movement of virus to the Pilbara region in 1978 was due to an increase in viral activity in the West Kimberley area following heavy rainfall and flooding, and that with subsequent extensive cyclonic rainfall in the Pilbara region, viraemic waterbirds moved south down the narrow coastal strip, introducing the virus into Pilbara (Stanley 1979). It is probable that a similar mechanism may have occurred in 1981. Although there has been evidence (see next section), of MVE virus activity in the Pilbara region in recent years, there have been no further cases. Analysis of the cases of Australian encephalitis has indicated that Aboriginal infants, particularly male infants, are most at risk of fatal or severe disease (Mackenzie et al. 1993a). However, tourists and visitors to the Kimberley region (and Northern Territory) have also been shown to have an increased risk of disease. Sentinel chicken surveillance Following the 1978 outbreak of Australian encephalitis, a number of sentinel chicken flocks were established in the Kimberley area. Six flocks had been established by 1981 and the number rose to twenty-four flocks in twenty-two regional centres in the Kimberley, Pilbara and Gascoyne regions by 1989 (Broom et al. 1989; Mackenzie et al. 1992; 1994c). Each flock contains twelve chickens which are bled at two weekly intervals between November and June, the period of increased risk of virus transmission, and monthly at other times. The sera are then assayed for antibody to MVE and Kunjin viruses in our laboratory in Perth to provide an early warning system of increased virus activity. Initially sera were tested by HI for the presence of antibody, and positive sera were then subjected to neutralization assay to determine the identity of the infecting virus. A more rapid enzyme-linked immunosorbent assay (ELISA) was introduced in 1986 (Broom et al. 1987), and more recently a competitive ELISA using specific monoclonal antibodies to identify the virus is being used (Hall et al. 1992; 1995). Sentinel chicken flocks were also established in 1992 in the Northern Territory to monitor MVE activity (Aldred et al. 1992). The sentinel chicken programme has clearly shown that MVE virus is enzootic in several areas of the Kimberley region, particularly in the Ord River area at Kununurra. Seroconversions in sentinel chickens occur every year during the latter half of the wet season". En Water Resources, 131. CRC Press, 1998. http://dx.doi.org/10.4324/9780203027851-24.

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Actas de conferencias sobre el tema "Banksia – Western Australia – Perth Region"

Beemer, Ryan D., Alexandre N. Bandini-Maeder, Jeremy Shaw, Ulysse Lebrec y Mark J. Cassidy. "The Granular Structure of Two Marine Carbonate Sediments". En ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77087.

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Calcareous sediments are prominent throughout the low-latitudinal offshore environment and have been known to be problematic for offshore foundation systems. These fascinating soils consist largely of the skeletal remains of single-celled marine organisms (plankton and zooplankton) and can be as geologically complex as their onshore siliceous counter parts. To enable an adequate understanding of their characteristics, in particular, their intra-granular micro-structure, it is important that geotechnical engineers do not forget about the multifaceted biological origins of these calcareous sediments and the different geological processes that created them. In this paper, the 3D models of soils grains generated from micro-computed tomography scans, scanning electeron microscope images, and optical microscope images of two calcareous sediments from two different depositional environments are presented and their geotechnical implications discussed. One is a coastal bioclastic sediment from Perth, Western Australia that is geologically similar to carbonate sediments typically used in micro-mechanics and particle crushing studies in the literature. The other is a hemipelagic sediment from a region of the North West Shelf of Australia that has historically been geotechnically problematic for engineers. The results show there is a marked difference between coastal bioclastic and hemipelagic sediments in terms of geological context and the associated particle micro-structures. This brings into question whether a coastal bioclastic calcareous sediment is a good micro-mechanical substitute for a hemipelagic one.

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