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Tesi sul tema "Trichosurus vulpecula"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Eymann, Jutta. "Management of urban common brushtail possums (Trichosurus vulpecula)." Doctoral thesis, Australia : Macquarie University, 2007. http://hdl.handle.net/1959.14/6.

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Thesis by publication -- 8 co-authored articles.<br>Thesis (PhD)--Macquarie University, Division of Environmental and Life Sciences, Department of Biological Sciences.<br>Includes bibliographical references.<br>Preface -- Management issues of urban common brushtail possums (Trichosurus vulpecula): a loved or hated neighbour -- Effects of deslorelin implants on reproduction in the common brushtail possum (Trichosurus vulpecula) -- Brushtail possums (Trichosurus vulpecula) in metropolotan Sydney: population biology and response to contraceptive implants -- Strategic survey for Toxoplasma gondii

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2

Osugi, Mizuho. "Measuring Auditory Thresholds in Brushtail Possums (Trichosurus Vulpecula)." The University of Waikato, 2008. http://hdl.handle.net/10289/2422.

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A total of 9 brushtail possums (Trichosurus vulpecula) were trained to perform a two-manipulanda, conditional discrimination task. The possums learned to press a right lever in the presence of a tone (80 dB(A)) during tone-on trials, and a left lever in the absence of the tone on tone-off trials. Overall sessions of 11 conditions contained tone frequency between 100 Hz and 35 kHz were tested. Each condition contained training and then probe sessions. In training sessions, the possums were presented with tone-on and tone-off trials, pseudo-randomly. Once the possums responded with over 90

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3

Morgan, D. R. "Maximising the effectiveness of aerial 1080 control of possums (Trichosurus vulpecula)." Diss., Connect to this title online, 2004. http://theses.lincoln.ac.nz/public/adt-NZLIU20060911.123107/index.html.

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4

Morgan, David R. "Maximising the effectiveness of aerial 1080 control of possums (Trichosurus vulpecula)." Lincoln University, 2004. http://hdl.handle.net/10182/20.

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Aerial control using 1080 (sodium monofluoroacetate) baits is widely used in New Zealand for the control of introduced brushtail possums (Trichosurus vulpecula), with the aim of protecting national conservation and agricultural values from these damaging pests. This thesis integrates research, completed over 25 years, that was motivated by growing recognition in the 1970s of the extent of possum impacts and the need to improve the effectiveness and efficiency of the control operation. Field research assessed the palatability of three types of cereal-based pellet baits and carrot baits in diffe

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5

McDowell, Arlene, and n/a. "Oral delivery of bioactive compounds to the common brushtail possum (Trichosurus vulpecula)." University of Otago. School of Pharmacy, 2005. http://adt.otago.ac.nz./public/adt-NZDU20070306.151503.

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The common brushtail possum (Trichosurus vulpecula) is the most significant vertebrate pest in New Zealand as an ecological threat to the indigenous biodiversity and an economic threat as a vector for bovine tuberculosis. Biological control is considered to be the most accepted management strategy to reduce the population, specifically by impairing fertility. Successful development of a biocontrol agent (most likely a protein or peptide macromolecule) requires identification of a compound that is species-specific and potent. The challenge is also to deliver the bioactive to this free-ranging,

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6

Foulkes, Jeffery Neil, and N/A. "The ecology and management of the common brushtail possum Trichosurus vulpecula in Central Australia." University of Canberra. Applied Science, 2001. http://erl.canberra.edu.au./public/adt-AUC20050411.101222.

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This study investigates the ecology of one of the best known Australian marsupials, the Common Brushtail Possum Trichosurus vulpecula, in central Australia. Trichosurus vulpecula is one of few medium-sized mammal species that persist in arid Australia today. Its distribution within the arid zone has declined markedly since European settlement. Two populations, one within the East MacDonnell Ranges along the Hale River and the other on Irving Creek, a River Red Gum creek in the Petermann Ranges, were studied in the southern Northern Territory. Others locations in the region were visited opportu

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7

Veitch, Colleen Evelyn. "Aspects of female reproduction in the marsupials, the brushtail possum, Trichosurus vulpecula and the northern brown bandicoot, Isoodon macrourus /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19371.pdf.

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8

Harfoot, Natalie Ann, and n/a. "Molecular identification of membrane transporters associated with secretion in the ileum and colon of the common brushtail possum, Trichosurus vulpecula." University of Otago. Department of Physiology, 2009. http://adt.otago.ac.nz./public/adt-NZDU20090903.143108.

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Electrolyte transport in the intestine of the common brushtail possum (Trichosurus vulpecula) differs from that observed in eutherian mammals. This study has used molecular physiology to identify and characterise the expression and distribution of membrane transporters potentially responsible for these differences in electrolyte transport in the possum intestine. In the possum ileum, secretagogues stimulate an electrogenic Cl⁻-independent HCO₃⁻ secretory response but secretagogue-stimulated Cl⁻ secretion does not occur in this tissue. Based on the ion dependence and pharmacology of the stimula

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9

Foronda, Natalia, and n/a. "Health risk assessment and health risk management with special reference to sodium monofluoroacetate (1080) for Possum control in New Zealand." University of Otago. Department of Pharmacology & Toxicology, 2007. http://adt.otago.ac.nz./public/adt-NZDU20080131.145423.

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The principal use of sodium monofluoroacetate (1080) in New Zealand is to control brushtail possums (Trichosurus vulpecula). Aerial application of baits containing 1080 is the most common method used for large-scale control of possums. The use of 1080 attracts a great deal of controversy, in particular the effects on the environmental, non-target species, and the potential chronic effects in humans associated with environmental exposures. Although the nature of the acute toxicity of 1080 has been known for more than fifty years, little is known of its effects on humans, in particular its chr

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10

Hardaker, Bethany Jane. "A study of short-term remembering in the possum : using a delayed-matching-to-sample procedure /." The University of Waikato, 2006. http://hdl.handle.net/10289/2354.

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In Experiment one 7 Brushtail possums were trained, using food, to perform a Delayed-Matching-To-Sample procedure using still and flickering light stimuli, over a 0, 1 and 2 second delay. A criterion of 80 percent correct for 5 consecutive days was set for the requirement to probe test. Probe session delays were 0, 0.5, 1, 2, 4, and 8 seconds. Performance was analysed using the measure of discrimination log d. Log d = 1 at the possums training delay and dropped back to log d = 0 at the longer inexperienced delays. The possums performance at this task was only adequate, so in case the stim

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11

Wyman, Tarryn Elizabeth. "Consequences of reduced bird densities for seed dispersal." Thesis, University of Canterbury. School of Biological Sciences, 2013. http://hdl.handle.net/10092/8468.

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The decline in range and density of frugivorous birds worldwide could have consequences for the functioning of ecosystem processes such as seed dispersal. I endeavoured to determine the effects of bird declines on seed dispersal and assess the current status of dispersal in New Zealand. My first aim was to determine whether decreased bird density can reduce competitive interactions between birds, leading to birds concentrating on higher-reward fruit species. I measured fruit removal rates and fruit preferences of birds in Canterbury forest remnants with high (Hay and Prices) and low (Lords and

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12

Pickett, Karolyne. "Sublethal impacts of risk of predation by the introduced red fox on the common brushtail possum (Trichosurus vulpecula) in New South Wales, Australia." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ45504.pdf.

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13

Clarke, Judith Rebekah. "Translocation outcomes for the Western Ringtail Possum (Pseudocheirus occidentalis) in the presence of the Common Brushtail Possum (Trichosurus vulpecula): health, survivorship and habitat use." Thesis, Clarke, Judith Rebekah (2011) Translocation outcomes for the Western Ringtail Possum (Pseudocheirus occidentalis) in the presence of the Common Brushtail Possum (Trichosurus vulpecula): health, survivorship and habitat use. PhD thesis, Murdoch University, 2011. https://researchrepository.murdoch.edu.au/id/eprint/5119/.

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The western ringtail possum, Pseudocheirus occidentalis, is classified as threatened, both nationally and internationally. Land clearing for building development threatens the last major coastal population stronghold in and around the town of Busselton in the south-west of Western Australia (WA). Translocation of displaced P. occidentalis from this locality into nearby conservation estates commenced in 1991, in the presence of fox control, with the aim of re-establishing populations of the species within suitable habitat outside its current range. Initial successes (1991-1998) were followed by

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14

van, Eyndoven Erik. "Resource selection by the brushtail possum (Trichosurus vulpecula Kerr) in a mixed red - silver beech (Nothofagus fusca - N. menziesii) forest, north Westland, New Zealand : a multi-scale, GIS-based approach." Thesis, University of Canterbury. Forestry, 2003. http://hdl.handle.net/10092/6059.

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Resource selection by the brushtail possum (Trichosurus vulpecula) was studied in a beech (Nothofagus) forest in order to elucidate possum ecology in an extensive forest type lacking extensive possum research. The study was conducted in the Upper Grey Valley, north Westland, on a post-glacial terrace dominated by Nothofagus fusca and Nothofagus menziesii and dissected by a gravel road. Five principal research questions were posed for the study of possums within the site. These were: 1. What are the movement parameters of the resident possum population? 2. What are the patterns of vegetatio

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15

Head, Nicholas. "The impacts of possum herbivory and possum control on threatened palatable species (Pittosporum patulum, Alepis flavida and Peraxilla tetrapetala) in the Lake Ohau Catchment, South Island, New Zealand." Lincoln University, 2005. http://hdl.handle.net/10182/1957.

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The impacts of possum herbivory were assessed on 713 individual plants of the nationally endangered Pittosporum patulum and 115 individual plants of the threatened ('Gradual Decline') mistletoes (Alepis flavida & Peraxilla tetrapetala) over three years in the Temple and Huxley river valleys in the Ohau catchment, South Island New Zealand. Statistical models were used to test the influence of several explanatory variables on the probability of survival and growth rates of these rare palatable plants. Increasing defoliation levels were the most significant predictors of mortality for both P. pat

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16

Nugent, Graham. "The role of wild deer in the epidemiology and management of bovine tuberculosis in New Zealand." Phd thesis, Lincoln University. Bio-Protection and Ecology Division, 2005. http://theses.lincoln.ac.nz/public/adt-NZLIU20070212.130927/.

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The eco-epidemiology of bovine tuberculosis (Tb) in wild deer (mainly red deer Cervus elaphus) in New Zealand was investigated. Bovine Tb is caused by Mycobacterium bovis. Specific aims were to clarify the likely routes of infection in deer, and to determine the status of deer as hosts of Tb, the likely rates and routes of inter- and intra-species transmission between deer and other wildlife hosts, the role of deer in spreading Tb, and the likely utility of deer as sentinels of Tb presence in wildlife. As the possum (Trichosurus vulpecula) is the main wildlife host of Tb, the research also inc

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17

Berry, Christopher J. J. "Post-dispersal seed predation in a conifer-broadleaf forest remnant : the importance of exotic mammals." Lincoln University, 2006. http://hdl.handle.net/10182/666.

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Despite extensive international acceptance of the critical role of mammalian post-dispersal seed predation in many plant communities, in New Zealand we have limited knowledge of these predators’ influence on plant recruitment in our forests. The principle objective of my thesis was to determine the importance of exotic mammals as post-dispersal seed predators in a New Zealand conifer-broadleaf forest remnant. To address this goal, I used a series of field-based experiments where the actions of different post-dispersal seed predators were separated by wire-mesh exclosures. My study was conduct

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18

Russell, Benjamin Gallard School of Biological Earth &amp Environmental Sciences UNSW. "The role of odour in Australian mammalian predator/prey interactions." Awarded by:University of New South Wales. School of Biological, Earth and Environmental Sciences, 2005. http://handle.unsw.edu.au/1959.4/25144.

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Odour plays an important role in many predator/prey interactions. In the northern hemisphere, many mammalian prey species have been shown to respond to predator odours. It is also widely assumed that mammalian predators utilise odours to locate their prey. This thesis explores the importance of odour in Australian mammalian predator/prey interactions. Responses of native Australian species to the faecal odour of two predators; the native tiger quoll Dasyurus maculatus and the introduced red fox Vulpes vulpes, were evaluated through live-trapping and focussed behavioural studies of captive anim

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19

Isaac, Joanne Louise. "Life history variation and reproductive success of the common brushtail possum Trichosurus vulpecula /." 2004. http://eprints.jcu.edu.au/74.

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20

James, EA. "The dynamics of hunted populations of brushtail possums Trichosurus vulpecula in Tasmania : a technique for population analysis." Thesis, 1986. https://eprints.utas.edu.au/20246/1/whole_JamesElizabethAnn_thesis.pdf.

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A study of the population dynamics of four hunted populations of the•Brushtail Possum Trichosurus vulpecula in Tasmania was carried out. Efforts by the management authority, the National Parks and Wildlife Service to monitor and census the species have been hampered by a lack •of suitable methods of population assessment. The principal aim of the study was to describe a methodology for timely monitoring of changes in local populations. •The approach taken was distinctive in that the collection of the sample and the analysis were carried out by separate parties. The analysis of the population

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21

Vlahos, Lisa Marie. "Possum magic : exploring colour vision in the common brushtail possum (Trichosurus vulpecula)." Phd thesis, 2012. http://hdl.handle.net/1885/150889.

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Research into the diversity and evolution of mammalian colour vision has become even more exciting with the recent discovery of both trichromatic and dichromatic colour vision in the Australian marsupials. Our knowledge about these colour vision systems is limited, with a number of discrepancies in the research. Methodology issues with some of the anatomical and behavioural studies may have falsely indicated trichromacy. It is also uncertain whether only the tammar wallaby (Macropus eugenii) has dichromatic colour vision, or if dichromacy is represented in a number of marsupials. It is believe

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22

Isaac, Joanne. "Life history variation and reproductive success in the common brushtail possum, Trichosurus vulpecula." Thesis, 2004. https://researchonline.jcu.edu.au/74/1/01front.pdf.

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Life history theory aims to describe and explain patterns in the life cycles of organisms and relate these patterns to intrinsic and extrinsic influences. The life history of an organism is commonly defined as a set of co-evolved strategies that relate directly to an individuals genetic fitness, lifetime reproductive success (LRS) and survival. The great majority of research on life history variation in mammals has concentrated on placental mammals, while marsupials have been largely overlooked. This thesis investigates life history variation, and the influence of this variation on reproductiv

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23

Isaac, Joanne. "Life history variation and reproductive success in the common brushtail possum, Trichosurus vulpecula." 2004. http://eprints.jcu.edu.au/74/1/01front.pdf.

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Abstract (sommario):

Life history theory aims to describe and explain patterns in the life cycles of organisms and relate these patterns to intrinsic and extrinsic influences. The life history of an organism is commonly defined as a set of co-evolved strategies that relate directly to an individuals genetic fitness, lifetime reproductive success (LRS) and survival. The great majority of research on life history variation in mammals has concentrated on placental mammals, while marsupials have been largely overlooked. This thesis investigates life history variation, and the influence of this variation on reproductiv

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24

Hynes, Kristen L. (Louise). "The sternal integument and scent marking in the brushtail possum, Trichosurus vulpecula : gender and seasonal differences." Thesis, 1999. https://eprints.utas.edu.au/20456/1/whole_HynesKristenLouise1999_thesis.pdf.

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The marsupial brushtail possum (Trichosurus vulpecula) possess a glandular area of skin over its sternum known as the "sternal gland". This region of the integument is composed of two layers: a superficial layer of holocrine sebaceous tissue and a deeper layer of sudoriferous apocrine tissue. Secretions produced by the glandular tissue are rubbed on objects by the possum as a form of scent mark. The secretions are visible as an orange to brown coloured stain on the fur covering the sternum. The structure is found in both males and females. A review of the literature reveals that olfacto

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25

DeGabriel, Jane Louise. "Demographic constraints imposed by plant nutrients and secondary chemistry on the common brushtail possum (Trichosurus vulpecula Kerr)." Phd thesis, 2008. http://hdl.handle.net/1885/150327.

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26

Kerr, Sarah Emily. "Divergence of a mammal along a habitat gradient: a study of the coppery brushtail possum, Trichosurus vulpecula johnsonii." Thesis, 2011. https://researchonline.jcu.edu.au/23451/1/01front.pdf.

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I investigated the role of habitat in shaping mammalian evolution by studying the divergence of two parapatric subspecies, the common brushtail possum, Trichosurus vulpecula vulpecula, and the coppery brushtail possum, T.v.johnsonii, which are found in close proximity on the Atherton Tablelands in North Queensland, Australia. Their reputed distribution and colour differences, then unquantified, suggested that these subspecies may be candidates for evolution through parapatric speciation. This has never before been demonstrated in a mammal. I discovered that along a habitat gradient from dry

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27

Wayne, Adrian Francis. "The ecology of the koomal (Trichosurus vulpecula hypoleucus) and ngwayir (Pseudocheirus occidentalis) in the jarrah forests of South-Western Australia." Phd thesis, 2005. http://hdl.handle.net/1885/150305.

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28

Flynn, EM. "Exploring the influence of disturbance history and forest type on an Arboreal Marsupial, the Common Brushtail Possum (Trichosurus Vulpecula), using a Multi-disciplinary Approach." Thesis, 2011. https://eprints.utas.edu.au/12439/1/Flynn_Thesis_2011_Multi-disciplinary_approach.pdf.

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The level of impact of forest disturbance on mammal communities depends on a species’ degree of forest-dependence as well as the intensity and scale (temporal and spatial) of the disturbance. Where land-use practices such as logging, agriculture, and urbanisation alter the habitat characteristics of a forest, a wide range of effects may lead to a reduction in species diversity or the decline of a population. Arboreal marsupials are the faunal group considered to be most at risk from habitat disturbance in Australian forests. Despite this, there have been relatively few studies examining

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29

Marsh, Karen Jane. "Feeding by marsupial folivores in response to plant chemical defences." Phd thesis, 2006. http://hdl.handle.net/1885/150580.

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