Population Dynamics of Richardson's Ground Squirrels PDF Download
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Author: Daniel Ralph Michener
Publisher:
ISBN:
Category : Animal populations
Languages : en
Pages : 232
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Book Description
Author: Daniel Ralph Michener
Publisher:
ISBN:
Category : Animal populations
Languages : en
Pages : 232
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Book Description
Author: Michael J. Dorrance
Publisher:
ISBN:
Category : Richardson's ground squirrel
Languages : en
Pages : 316
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Book Description
Author: Louise Anna Goulet
Publisher:
ISBN:
Category : Ground squirrels
Languages : en
Pages : 0
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Book Description
Author: Timothy L. Lewis
Publisher:
ISBN:
Category :
Languages : en
Pages : 190
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Book Description
Author: Gail S. Olson
Publisher:
ISBN:
Category : Population biology
Languages : en
Pages : 508
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Book Description
Author: Alberta. Fish and Wildlife Division
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 36
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Book Description
"Alberta Sustainable Resource Development, Fish & Wildlife, Alberta Conservation Association."
Author: Guy Beauchamp
Publisher: Academic Press
ISBN: 0128019948
Category : Science
Languages : en
Pages : 267
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Book Description
Animal Vigilance builds on the author's previous publication with Academic Press (Social Predation: How Group Living Benefits Predators and Prey) by developing several other themes including the development and mechanisms underlying vigilance, as well as developing more fully the evolution and function of vigilance. Animal vigilance has been at the forefront of research on animal behavior for many years, but no comprehensive review of this topic has existed. Students of animal behavior have focused on many aspects of animal vigilance, from models of its adaptive value to empirical research in the laboratory and in the field. The vast literature on vigilance is widely dispersed with often little contact between models and empirical work and between researchers focusing on different taxa such as birds and mammals. Animal Vigilance fills this gap in the available material. - Tackles vigilance from all angles, theoretical and empirical, while including the broadest range of species to underscore unifying themes - Discusses several newer developments in the area, such as vigilance copying and effect of food density - Highlights recent challenges to assumptions of traditional models of vigilance, such as the assumption that vigilance is independent among group members, which is reviewed during discussion of synchronization and coordination of vigilance in a group - Written by a top expert in animal vigilance
Author: Vancouver Charles J. Krebs Professor of Zoology University of British Columbia
Publisher: Oxford University Press, USA
ISBN: 9780199771349
Category : Science
Languages : en
Pages : 542
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Book Description
The boreal forest is one of the world's great ecosystems, stretching across North America and Eurasia in an unbroken band and containing about 25% of the world's closed canopy forests. The Kluane Boreal Forest Ecosystem Project was a 10-year study by nine of Canada's leading ecologists to unravel the impact of the snowshoe hare cycle on the plants and the other vertebrate species in the boreal forest. In much of the boreal forest, the snowshoe hare acts as a keystone herbivore, fluctuating in 9-10 year cycles, and dragging along secondary cycles in predators such as lynx and great-horned owls. By manipulating the ecosystem on a large scale from the bottom via fertilizer additions and from the top by predator exclosures, they have traced the plant-herbivore relationships and the predator-prey relationships in this ecosystem to try to answer the question of what drives small mammal population cycles. This study is unique in being large scale and experimental on a relatively simple ecosystem, with the overall goal of defining what determines community structure in the boreal forest. Ecosystem Dynamics of the Boreal Forest: The Kluane Project summarizes these findings, weaving new discoveries of the role of herbivores-turned-predators, compensatory plant growth, and predators-eating-predators with an ecological story rich in details and clear in its findings of a community where predation plays a key role in determining the fate of individuals and populations. The study of the Kluane boreal forest raises key questions about the scale of conservation required for boreal forest communities and the many mammals and birds that live there.
Author: U.S. Fish and Wildlife Service
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 826
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Book Description
Author: FREDERICK STEPHEN DOBSON
Publisher:
ISBN:
Category :
Languages : en
Pages : 144
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Book Description
manipulation of food resources. The prediction that reproductive effort should be highest in years favorable for juvenile survivorship appeared to be consistent with the experimental results.
