Relevant bibliographies by topics / Wallabies Victoria

Academic literature on the topic 'Wallabies Victoria'

Author: Grafiati
Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Wallabies Victoria"

1

Paplinska, Justyna Zofia, Richard L. C. Moyle, Peter D. M. Temple-Smith, and Marilyn B. Renfree. "Reproduction in female swamp wallabies, Wallabia bicolor." Reproduction, Fertility and Development 18, no. 7 (2006): 735. http://dx.doi.org/10.1071/rd06024.

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The swamp wallaby (Wallabia bicolor) is a common, medium-sized, browsing macropodid marsupial that is unique in many ways. Relatively little is known about the reproductive biology of this species. Previous studies have proposed that the swamp wallaby has a pre-partum oestrus because the gestation period ( x ¯ -->x = 35.5 days, n = 4) is on average longer than the oestrus period ( x ¯ -->x = 31.0 days, n = 5) and the period from the removal of pouch young (RPY) to mating ( x ¯ -->x = 26.0days, n = 3). In the current study, the period from RPY to birth was confirmed at x ¯ -->x = 31.25 days (n = 4) in captive animals, consistent with a pre-partum oestrus. A growth curve for swamp wallaby pouch young was constructed from the progeny of captive animals to estimate the age and date of birth of young in a wild, culled population in South Gippsland, Victoria, and the reproduction of females in the wild throughout the year was examined. Young were born in every month of the year, with no statistically significant variation in the number of young born in each month. Females did not have a period of seasonal anoestrus and conceived throughout the year. Female swamp wallabies in South Gippsland bred continuously throughout the period of this study.
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2

Cooke, B. D. "Swamp wallaby (Wallabia bicolor) distribution has dramatically increased following sustained biological control of rabbits." Australian Mammalogy 42, no. 3 (2020): 321. http://dx.doi.org/10.1071/am19037.

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Swamp wallabies have dramatically extended their distribution through western Victoria and south-eastern South Australia over the last 40 years. Newspaper reports from 1875 onwards show that on European settlement, wallaby populations were confined to eastern Victoria, including the ranges around Melbourne, the Otway Ranges and Portland District of south-western Victoria, and a tiny part of south-eastern South Australia. Populations contracted further with intense hunting for the fur trade until the 1930s. In the late 1970s, however, wallabies began spreading into drier habitats than those initially recorded. Possible causes underlying this change in distribution are discussed; some seem unlikely but, because wallabies began spreading soon after the introduction of European rabbit fleas as vectors of myxomatosis, the cumulative effects of releases of biological agents to control rabbits appear important. A caution is given on assuming that thick vegetation in high-rainfall areas provides the only habitat suitable for swamp wallabies, but, most importantly, the study shows how native mammals may benefit if rabbit abundance is reduced.
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3

Davis, Naomi E., Graeme Coulson, and David M. Forsyth. "Diets of native and introduced mammalian herbivores in shrub-encroached grassy woodland, south-eastern Australia." Wildlife Research 35, no. 7 (2008): 684. http://dx.doi.org/10.1071/wr08042.

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Effective management of sympatric mammalian herbivore populations requires an understanding of interspecific interactions. At Wilsons Promontory National Park, Victoria, sympatric native and introduced mammalian herbivores are thought to be contributing to modification of shrub-encroached Coastal Grassy Woodland. We estimated the diets of the five terrestrial mammalian herbivore species present using microhistological techniques. The diets of introduced hog deer (Axis porcinus) and native swamp wallabies (Wallabia bicolor) consisted mainly of dicots. The diet of introduced European rabbits (Oryctolagus cuniculus) contained similar proportions of monocots and dicots. The diets of native eastern grey kangaroos (Macropus giganteus) and native common wombats (Vombatus ursinus) consisted mainly of monocots but kangaroos also consumed moderate amounts of dicots. Deer and wallabies consumed more native plants than did the other species and rabbits consumed more exotic plants than did all other species except kangaroos. Diet breadth was narrowest for kangaroos and broadest for swamp wallabies and hog deer. Overlap in food use by the five herbivores was high, particularly between deer and wallabies, and between kangaroos and both rabbits and wombats. Our results suggest that the potential impacts of native and introduced species on the vegetation of Coastal Grassy Woodland are similar, and that the entire herbivore assemblage will need to be managed to increase fine fuel loads if fire is used as a restoration tool.
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4

Coulson, G. "The Effect of Drought on Road Mortality of Macropods." Wildlife Research 16, no. 1 (1989): 79. http://dx.doi.org/10.1071/wr9890079.

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Road-kills of eastern grey kangaroos, Macropus giganteus, and swamp wallabies, Wallabia bicolor, were monitored during and after the severe 1981-83 drought in central Victoria, Australia. These were compared with a survey of the same area prior to the drought. The frequency of road-kills of both species during the drought was higher than pre-drought and post-drought levels, and over 9 years the seasonal frequency of kangaroo road-kills was inversely related to the rainfall of the previous season. Road-kills of kangaroos were predominantly males, and almost half were juveniles.
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5

Molyneux, Jenny, David A. Taggart, Anthony Corrigan, and Sean Frey. "Home-range studies in a reintroduced brush-tailed rock-wallaby (Petrogale penicillata) population in the Grampians National Park, Victoria." Australian Mammalogy 33, no. 2 (2011): 128. http://dx.doi.org/10.1071/am10039.

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In 2008, after 9 years of presumed local extinction, brush-tailed rock-wallabies (Petrogale penicillata) were reintroduced at Moora Moora Creek in the Grampians National Park, western Victoria. Since little is known about this species in Victoria, the reintroduction presented an important opportunity to gain information on the species’ ecology. Radio-tracking was undertaken and home range determined for three individuals released 11 months before this study and a further five individuals that were released at the commencement of the study in October 2009. Home-range size showed little variation amongst individuals, with a mean overall home range of 26 ha (±1.69, s.e.) and a mean core home range of 2.5 ha (±0.24, s.e.). Newly reintroduced individuals showed higher levels of association with wallabies from the same release and greater site fidelity when known conspecifics were close. Within 5 months of release, newly reintroduced animals showed home ranges similar in both size and distribution to those of animals released 11 months prior.
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6

van Eeden, Lily, Julian Di Stefano, and Graeme Coulson. "Diet selection by the brush-tailed rock-wallaby (Petrogale penicillata) in East Gippsland, Victoria." Australian Mammalogy 33, no. 2 (2011): 162. http://dx.doi.org/10.1071/am10038.

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Resource selection by animals is assumed to have fitness benefits so quantifying resource selection can help determine suitable conditions for species persistence and be used to inform management plans. We studied diet selection by the ‘Critically Endangered’ Victorian brush-tailed rock-wallaby (Petrogale penicillata) by comparing proportions of plant functional groups consumed with their availability in the three remaining rock-wallaby colonies in East Gippsland, Victoria. We estimated availability using an adaptation of the point transect method, identifying 63 plant functional groups and their abundance within the foraging range. Using microhistological analysis of faecal pellets we determined diet composition at the resolution of plant functional groups: ferns, forbs, monocots, shrubs and trees. At all sites the plant functional groups constituting most of the diet were forbs, monocots and shrubs. However, diet composition and selection was different among the sites, particularly with regards to the consumption and selection of monocots, which appeared to be favoured at two sites, and of shrubs, which were favoured at the third site. Overall, the diet composition suggested that brush-tailed rock-wallabies consume a diverse range of food types. The results can be used to improve current management by increasing the availability of preferred food types, perhaps through targeted fire regimes, and to guide the selection of reintroduction sites.
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7

L. Close, R., M. D. B. Eldridge, J. N. Bell, and J. Reside. "A genetic study of the Brush-tailed Rock Wallaby Petrogale penicillata in East Gippsland and relevance for management of the species in Victoria." Pacific Conservation Biology 1, no. 4 (1994): 367. http://dx.doi.org/10.1071/pc940367.

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Within the Australian macropod genus Petrogale (rock wallabies) nine chromosomally distinct species occur along the Great Dividing Range of eastern Australia (Sharman et al. 1990; Eldridge et al. 1991a; Eldridge and Close 1992). However, Close et al. (1988) found Petrogale from the Grampians, Victoria and from Jenolan Caves, New South Wales, to be remarkably similar despite their 800 km separation (Fig. 1). Standard and C-banded karyotypes of both populations were typical of Petrogale penicillata and were identical except that one Grampians animal was heterozygous for absence of a C-band on chromosome 2. Apart from their smaller physical size, the only difference was that the Grampians animals were homozygous for a unique Pgm allele.
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8

Close, RL, S. Ingleby, RAH Vanoorschot, AA Gooley, DA Briscoe, and GB Sharman. "Identification of Rock-Wallabies, Petrogale-Penicillata (Gray, 1825), From the Grampians, Victoria, and Comparison With Conspecifics by Examination of Chromosomes, Blood Proteins, Cell-Surface Antigens, Parasites and Morphology." Australian Journal of Zoology 36, no. 1 (1988): 99. http://dx.doi.org/10.1071/zo9880099.

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Two rock-wallabies were captured in the Victoria Range of the Grampians, the first specimens obtained from Victoria for scientific study. Their chromosomes identified them as Petrogale penicillata and, although the animals appeared to be smaller than their nearest studied conspecifics from Jenolan Caves, N.S.W., 800 km to the north-east, analysis of blood proteins, red blood cell epitopes and parasites indicated little genetic divergence. This lack of differentiation is unusual in a genus in which, further north along the Great Dividing Range, nine chromosomally distinct forms occur within 1500 km. One animal was heterozygous for presence and absence of a major C-band on the second largest chromosome; chromosomes without this band have not been found in other mainland P. penicillata. No electrophoretic variation was detected at 23 genetic loci, even though one allele was unique among P. penicillata so far studied. Although only one extant colony was found, other disused sites were located 30 km further north. Despite the apparent low numbers of animals, there is some evidence that additional colonies may be found.
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9

Soderquist, Todd. "What we don't know and haven't learned about cost - benefit prioritisation of rock-wallaby management." Australian Mammalogy 33, no. 2 (2011): 202. http://dx.doi.org/10.1071/am10053.

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Research and translocations of brush-tailed rock-wallabies (Petrogale penicillata) in New South Wales have, in conjunction with studies in Victoria and Queensland, provided extensive insights yet also document the high variability in the species’ response to management. Nonetheless, experts are being asked to quantify predicted response for cost–benefit prioritisation models that will rank threatened species and populations worthy of future funding, with little consideration of the basic principles behind adaptive management. The weaknesses of these prioritisation models must be evaluated carefully by experts in order that appropriate advice is provided which genuinely assists decision-making. I explore the questions facing rock-wallaby ecologists as a case study of how much more we need to know and learn within adaptive approaches to conservation before our predictions are robust.
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10

Kleemann, S., D. Sandow, M. Stevens, D. J. Schultz, D. A. Taggart, and A. Croxford. "Non-invasive monitoring and reintroduction biology of the brush-tailed rock-wallaby (." Australian Journal of Zoology 69, no. 2 (February 8, 2022): 41–54. http://dx.doi.org/10.1071/zo21009.

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Thirty-nine endangered brush-tailed rock-wallabies (Petrogale penicillata) were reintroduced to Grampians National Park, western Victoria, between 2008 and 2012. Subsequent high mortality, low breeding, and no recruitment were linked to fox predation and physical disturbance during monitoring. From 2014 to 2017, the colony was left undisturbed and monitored only by remote camera. Five adult animals were identified across this period (1 ♂ and 3 ♀s – all tagged; and one untagged female), and an average of 0.7 pouch young were birthed per tagged female per year. In 2019, camera-monitoring and non-invasive genetic monitoring (faecal) were used to identify colony members, genetic diversity, and breeding. Camera monitoring in 2019 identified the same five individuals, whereas genetic monitoring using 12 microsatellites identified eight individuals (two male and six female genotypes). Genetic diversity within the colony was moderate (expected heterozygosity (He) = 0.655, observed heterozygosity (Ho) = 0.854). Leaving the colony undisturbed after 2013 correlated with improved adult survival, increased breeding, and successful recruitment of young to the population. Recommendations for the Grampians colony include continuation of regular camera- and scat monitoring to improve our understanding of the reintroduction biology of P. penicillata and other marsupials in open, unfenced landscapes.
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