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Dissertations / Theses on the topic 'Brushtail possum'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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1

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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2

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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3

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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4

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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5

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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6

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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7

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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8

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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9

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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10

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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11

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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12

Owen, Hamish John. "Mistletoe and the brushtailed possum in silver beech forest, South Westland, New Zealand." Thesis, University of Canterbury. Forestry, 1993. http://hdl.handle.net/10092/7027.

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The distribution of mistletoe in South Westland silver beech forest was investigated. Stand structure and densities of Peraxilla colensoi (pirita) were assessed along six altitudinal transects. Host size and forest structure were both found to be important factors influencing density and distribution of mistletoe. Generally large beech trees were favoured as mistletoe hosts. There was also significant variation in mistletoe density between forest types. In a different study the leaf area removed by possums and insects from a population of mistletoe plants was quantified over a nine month peri

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13

Caley, Peter, and n/a. "Inference on the host status of feral ferrets (Mustela furo) in New Zealand for Mycobacterium bovis infection." University of Canberra. Resource, Environment & Heritage Studies, 2001. http://erl.canberra.edu.au./public/adt-AUC20050621.140940.

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This thesis is about making inference on the host status of feral ferrets in New Zealand for Mycobacterium bovis, the aetiological agent of bovine tuberculosis. The central question addressed is whether the rate of intra-specific transmission of M. bovis among ferrets is sufficient for the disease to persist in ferret populations in the absence of external, non-ferret sources of infection (inter-specific transmission). The question is tackled in three parts�firstly using model selection to identify suitable models for estimating the force of M. bovis infection in ferret populations; secondly a

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14

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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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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15

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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16

Chan, Judy. "Characterisation of delayed release granules for diphacinone: formulation for the control of brushtail possum in New Zealand." 2009. http://hdl.handle.net/2292/5483.

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Background and Aim: The common brushtail possum (Trichosurus velpecula) causes more damage to the environment than any other vertebrate species in New Zealand. The use of poison remains the main method for possum population control. Diphacinone is an anticoagulant that produces toxic effects by inhibiting the production of vitamin K–dependent coagulation factors which lead to profuse haemorrhage and eventually, death. The objective of this thesis was to investigate the potential of diphacinone as a toxin for the control of possum population in New Zealand. Methods: The preformulation of diphac

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17

Stasiuk, Susan Josephine. "Functional analysis of the insulin/IGF signalling pathway and the infective larva developmental switch in Parastrongyloides trichosuri : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Molecular Genetics at Massey University, Palmerston North, New Zealand." 2010. http://hdl.handle.net/10179/1485.

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Parasitism, in nematodes, is a very successful life strategy which has evolved throughout the Nematoda phylum in several independent events. However, the genetic basis for parasitism remains unknown. Parastrongyloides trichosuri is a facultative parasitic nematode of the Australian brushtail possum. This parasite has retained the unusual ability to sample its environment at each generation, and make the developmental decision to develop either into a free-living nematode or, in response to environmental stress, develop into an infective larva, which must then seek out a host in order to comple

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18

Porphyre, Thibaud Francois Christophe. "Factors associated with the transmission dynamics of bovine tuberculosis in New Zealand : a dissertation presented in partial fullfilment [sic] of the requirements for the degree of Doctor of Philosophy at Massey University, Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Palmerston North, Turitea, New Zealand." 2008. http://hdl.handle.net/10179/761.

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This thesis presents the results of a series of studies on the epidemiology of TB in brushtail possum and domestic cattle populations in New Zealand. The first set of studies provides an analysis of the results of routine TB testing carried out in the Featherston area from July 1980 to June 2004. The median annual incidence rate of TB reduced from 4.7 cases per 1000 cattle-years at risk for the period 1986 to 1991 to 1.8 cases per 1000 cattle-years at risk for the period 1992 to 2003, coincident with the use of poisoning to control possums in the surrounding forest park (a major possum habitat

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