Dispersal In Semi Natural Populations Of Peromyscus Maniculatus

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Dispersal In Semi Natural Populations Of Peromyscus Maniculatus

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Author : Kevin Labran Murphy
language : en
Publisher:
Release Date : 1983

Dispersal In Semi Natural Populations Of Peromyscus Maniculatus written by Kevin Labran Murphy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Peromyscus maniculatus categories.

Animal Dispersal

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Author : N.C. Stenseth
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Animal Dispersal written by N.C. Stenseth and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

4.1.1 Demographic significance Confined populations grow more rapidly than populations from which dispersal is permitted (Lidicker, 1975; Krebs, 1979; Tamarin et at., 1984), and demography in island populations where dispersal is restricted differs greatly from nearby mainland populations (Lidicker, 1973; Tamarin, 1977, 1978; Gliwicz, 1980), clearly demonstrating the demographic signi ficance of dispersal. The prevalence of dispersal in rapidly expanding populations is held to be the best evidence for presaturation dispersal. Because dispersal reduces the growth rate of source populations, it is generally believed that emigration is not balanced by immigration, and that mortality of emigrants occurs as a result of movement into a 'sink' of unfavourable habitat. If such dispersal is age- or sex-biased, the demo graphy of the population is markedly affected, as a consequence of differ ences in mortality in the dispersive sex or age class. Habitat heterogeneity consequently underlies this interpretation of dispersal and its demographic consequences, although the spatial variability of environments is rarely assessed in dispersal studies.

Canadian Journal Of Zoology

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Author :
language : en
Publisher:
Release Date : 1990

Canadian Journal Of Zoology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Zoology categories.

Mammalian Dispersal Patterns

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Author : B. Diane Chepko-Sade
language : en
Publisher: University of Chicago Press
Release Date : 1987

Mammalian Dispersal Patterns written by B. Diane Chepko-Sade and has been published by University of Chicago Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Nature categories.

Mammalian Dispersal Patterns examines the ways that social structure affects population genetics and, in turn, rates of evolution, in mammalian groups. It brings together fieldwork in animal behavior and wildlife biology with theoretical work in demography and population genetics. The focus here is dispersal—whether, how, and when individuals leave the areas where they are born. Theoretical work in population genetics indicates that such social factors as skewed sex ratios, restrictive mating patterns, and delayed age of first reproduction will lower the reproductive variability of a population by reducing the number of genotypes passed from one generation to the next. Field studies have shown that many mammalian species do exhibit many such social characteristics. Among horses, elephant seals, and a number of primates, the majority of females are inseminated by only a fraction of the males. In pacts of wolves and mongooses, usually only the highest-ranking male and female breed in a given season. Although socially restricted mating tends to lower genetic variability in isolated populations, it actually tends to increase genetic variability in subdivided populations with low rates of migration between subunits. Among some species there is little dispersal and thus little gene flow between subpopulations; other species travel far afield before mating. The contributors to this volume examine actual data from populations of mammals, the way patterns of dispersal correlate with the genetic structure of individuals and populations, and mathematical models of population structure. This interdisciplinary approach has an important bearing on work in conservation of both wildlife and zoo populations, for it shows that the home range and the population size needed to maintain genetic variability can differ greatly from one species to the next. The volume also offers a fruitful model for future research.

Leaders In The Study Of Animal Behavior

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Author : Donald A. Dewsbury
language : en
Publisher: Bucknell University Press
Release Date : 1985

Leaders In The Study Of Animal Behavior written by Donald A. Dewsbury and has been published by Bucknell University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Animal behavior categories.

This is a collection of autobiographical essays written by nearly two dozen scientists in the field of animal behavior. Each chapter is devoted to one individual and includes details regarding family life and early experiences, with an emphasis on the individual's career as a scientist.

Studying Animal Behavior

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Author : Donald A. Dewsbury
language : en
Publisher: University of Chicago Press
Release Date : 1989-07-15

Studying Animal Behavior written by Donald A. Dewsbury and has been published by University of Chicago Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-07-15 with Biography & Autobiography categories.

In these autobiographical essays by pioneers in the field of animal behavior, the authors discuss childhood, education, moments of discovery, and the attractions of the research that each pursued. The field of animal behavior has been interdisciplinary throughout its history, and the two psychologists and seventeen biologists in Donald Dewsbury's collection provide a fascinating assortment of backgrounds and interests. Chosen by a panel of seven distinguished animal behaviorists, the men whose essays are collected here include two Nobel Prize winners and one Pulitzer Prize winner. All provide unique accounts of the development of the field written by its original leading practitioners.

Wildlife Review

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Author :
language : en
Publisher:
Release Date : 1969

Wildlife Review written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Wildlife conservation categories.

Dispersal Of Peromyscus Leucopus Within And Between Woodlots

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Author : Richard Robert Tardif
language : en
Publisher:
Release Date : 1979

Dispersal Of Peromyscus Leucopus Within And Between Woodlots written by Richard Robert Tardif and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Biogeography categories.

Population And Social Dynamics Of The California Mouse Peromyscus Californicus

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Author : David Overton Ribble
language : en
Publisher:
Release Date : 1990

Population And Social Dynamics Of The California Mouse Peromyscus Californicus written by David Overton Ribble and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.

Reproductive Inhibition Of Young Female Peromyscus Leucopus

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Author : Gale R. Haigh
language : en
Publisher:
Release Date : 1986

Reproductive Inhibition Of Young Female Peromyscus Leucopus written by Gale R. Haigh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Mice categories.