Journal Article10.1086/283372
A Mammalian Example of Semelparity
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About: This article is published in The American Naturalist. The article was published on 01 Jan 1979. The article focuses on the topics: Semelparity and iteroparity.
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Citations
Factors influencing paternity success in Antechinus agilis: last-male sperm precedence, timing of mating and genetic compatibility
TL;DR: The patterns of paternity success from laboratory mating experiments conducted in Antechinus agilis, a small size dimorphic carnivorous marsupial, are described, where males that mated closer to ovulation sired more offspring and variation appeared also to be caused by differences in genetic compatibility of the female and the male.
96
Population regulation and dispersion of the smoky mouse, Pseudomys fumeus I. Dietary determinants of microhabitat preference
TL;DR: Habitat preferences of four species of small mammals were studied on a 7.5-hectare trapping grid in a subalpine heathland/woodland complex on Mt William, western Victoria and appear to reflect selection for those areas providing a year round source of high quality food rich in nitrogen.
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Size breeds success: multiple paternity, multivariate selection and male semelparity in a small marsupial, Antechinus stuartii.
TL;DR: Investigation of selection in male brown antechinus, Antechinus stuartii, and paternity success in 119 males is found to be related most strongly to body mass and scrotal size, thus providing support for both hypotheses for the evolution of semelparity.
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Rainfall, groundwater and refuges: Predicting extinctions of Australian tropical mammal species
TL;DR: By this analysis, the past 20 years has been the best period for mammals since weather records commenced and evidence of fluctuations suggesting rocky areas are important refuges for some species during periods of low groundwater levels is shown.
75
References
The population consequences of life history phenomena.
TL;DR: The part of Cole's article included here outlines the relationship of Thompson’s work (1931, paper 20 above) to stable population theory and discusses the relationships between the rate of increase, numbers and spacing of offspring, and age structure.
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Selection for Optimal Life Histories: The Effects of Age Structure
TL;DR: It is shown that an optimal life history maximizes for each age class the expected fecundity at that age plus the sum of all future expected parameters, which suggests that related species, with similar ecologies, may have very different life histories, the differences resulting from historical accidents that have trapped each on a different adaptive peak.
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Environmental certainty, trophic level, and resource availability in life history evolution
TL;DR: In this paper, the authors identify causal mechanisms in the evolution of life history patterns in plants and animals, using well-studied examples from the literature, and use them to identify the necessary and sufficient environmental factors that can be used to explain the observed diversity of life histories.
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