DENNING BEHAVIOR OF COMMON BRUSHTAIL POSSUMS IN POPULATIONS RECOVERING FROM DENSITY REDUCTION
نویسندگان
چکیده
منابع مشابه
Body size, age and paternity in common brushtail possums (Trichosurus vulpecula).
Sexual selection should produce sexual size dimorphism in species where larger members of one sex obtain disproportionately more matings. Recent theory suggests that the degree of sexual size dimorphism depends on physical and temporal constraints involving the operational sex ratio, the potential reproductive rate and the trade-off between current reproductive effort and residual reproductive ...
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Most herbivores eat more and survive better when they have access to a variety of foods. One explanation involves the detoxification of plant secondary metabolites (PSMs). By feeding from a variety of plants that contain different classes of PSMs, animals can use multiple detoxification pathways and presumably consume more food. Although popular, this theory is difficult to test because it requ...
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Three different models of bovine tuberculosis (Tb) in brushtail possums were evaluated against their stated purpose, and testable assumptions and predictions evaluated against available data where possible. Not surprisingly, two of the models may be falsified based on currently available data with respect to either important model assumptions or predictions, and the third may suffer from being ...
متن کاملDetecting density dependence in recovering seal populations.
Time series of abundance estimates are commonly used for analyses of population trends and possible shifts in growth rate. We investigate if trends in age composition can be used as an alternative to abundance estimates for detection of decelerated population growth. Both methods were tested under two forms of density dependence and different levels of environmental variation in simulated time ...
متن کاملSocial interactions among captive brushtail possums (Trichosurus vulpecula).
A biological control strategy relying on a self-disseminating agent may provide the only affordable long-term technique for reducing brushtail possum (Trichosurus vulpecula) numbers throughout New Zealand. The objective of this study was to determine the frequency and patterns of social interactions in single and mixed-sex groups of possums, in order to identify interactions that may assist in ...
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ژورنال
عنوان ژورنال: Journal of Mammalogy
سال: 2003
ISSN: 0022-2372,1545-1542
DOI: 10.1644/bos-030