Ranging behaviour and population dynamics in grey squirrels PDF Download
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Author: R E. Kenward
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: R E. Kenward
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Donald Clarke Thompson
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Richard W. Thorington, Jr.
Publisher: JHU Press
ISBN: 1421404699
Category : Science
Languages : en
Pages : 470
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Book Description
Squirrels of the World, written by scientists with more than 100 years of collective experience studying these popular mammals, is the first comprehensive examination of all 285 species of squirrels worldwide. The authors reveal virtually every detail of the family Sciuridae, which includes ground squirrels, tree squirrels, flying squirrels, prairie dogs, and chipmunks. Each species—from the familiar gray squirrel of American backyards to the exotic and endangered woolly flying squirrel of Pakistan—is described in a detailed account that includes distinguishing characteristics, ecology, natural history, conservation status, and current threats to its existence. Squirrels of the World includes • stunning color photographs that document rare and unusual squirrels as well as common varieties• evolution, morphology, ecology, and conservation status• colorful range maps marking species distribution• images of the skull of each genus of squirrel• extensive references -- Lawrence Heaney, Curator and Head of the Division of Mammals, The Field Museum (Chicago)
Author: Tommy S. Parker
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages :
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Book Description
Recent trends in ecological studies have displayed increases in the studying of urban systems and wildlife. Investigations on various urbanized taxa have often described similar behavioral (reduced fear of humans, altered activity patterns, and increased intraspecific aggression) and population dynamics (higher densities and reduced dispersal) modifications. In addition to the presence of these changes in urbanized wildlife, little is known regarding the habitat and landscape features associated with these changes. The objective of my study was to identify habitat and landscape characteristics correlated with behavioral and life history adaptations of urban wildlife. In the summer and fall of 2003 and 2004, I sampled gray squirrels (Sciurus carolinensis) at six urban parks for density, wariness, intraspecific aggression, and activity patterns. I then used combinations of each parks ecological characteristics (size, canopy cover, tree basal area, and number of trees) and the characteristics of the adjacent landscapes (tree cover, number of trees, building cover, and number of buildings) to develop models to predict gray squirrel wariness (fear of humans), intraspecific aggression, activity patterns, and density. Akaike's Information Criterion (AIC) was used to evaluate candidate models and determine the best approximating models. Density and canopy cover were the most efficient predictors for wariness (AIC = 48.42, Wi = 0.500); density, patch tree basal area, and matrix tree cover for aggression (AIC = 39.54, Wi = 0.567); patch size, canopy cover, and number of matrix trees for density (AIC = 57.40, Wi = 0.237), and density for activity (AIC = 34.02, Wi = 0.253).
Author: David Macdonald
Publisher: John Wiley & Sons
ISBN: 1444309064
Category : Science
Languages : en
Pages : 328
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Book Description
This important new book addresses key topics in contemporary conservation biology. Written by an internationally renowned team of authors, Key Topics in Conservation Biology explores cutting-edge issues in modern biodiversity conservation, including controversial subjects such as rarity and prioritization, conflict between people and wildlife, the human aspect of conservation, the relevance of animal welfare, and the role of nongovernment organizations. Key Topics also tackles the management of wildlife diseases, and examines the impact of bushmeat extraction and the role of hunting in the conservationist's toolbox. Other essays explore basic tools of conservation biology, such as computer modeling, conservation genetics, metapopulation processes, and the ingenious use of hi-tech equipment. Each topic is explored by three top international experts, assembled to bring their cross-cutting knowledge to a penetrating synthesis of the issues from both theoretical and practical perspectives. The interdisciplinary nature of biodiversity conservation is reflected throughout the book. Each essay examines the fundamental principles of the topic, the methodologies involved and, crucially, the human dimension. In this way, Key Topics in Conservation Biology embraces the issues from cutting-edge ecological science to policy, environmental economics, governance, ethics, and the practical issues of implementation. Key Topics in Conservation Biology will be a valuable resource in universities and colleges, government departments, and conservation agencies. It is aimed particularly at senior undergraduate and graduate students in conservation biology and wildlife management, and those taking Masters degrees in any field relevant to conservation. Conservation practitioners, policy-makers, and the wider general public eager to understand more about important environmental issues will also find this book invaluable.
Author: Robert E. Kenward
Publisher: Academic Press
ISBN: 0080574203
Category : Science
Languages : en
Pages : 325
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Book Description
Retaining the introductory flavor of the now classic First Edition, this revision includes all the latest techniques in the field. New information on methods of radio tag harnessing, new sections on satellite tracking techniques and new types of data analysis are all included. Still the only comprehensive, up-to-date, introduction to this fundamental technique for wildlife and behavioral biologists. - A unique guide to the subject - Full coverage of the very latest techniques in both terrestrial and satellite tracking - Detailed, practical guidance in how to fit tags, track animals, source and evaluate equipments and techniques and analyse resulting data
Author: Arthur W. Allen
Publisher:
ISBN:
Category : Gray squirrel
Languages : en
Pages : 32
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Book Description
Author: Joshua Millspaugh
Publisher: Academic Press
ISBN: 0080540228
Category : Technology & Engineering
Languages : en
Pages : 493
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Book Description
Radio Tracking and Animal Populations is a succinct synthesis of emerging technologies and their applications to the empirical and theoretical problems of population assessment. The book is divided into sections designed to encompass the various aspects of animal ecology that may be evaluated using radiotelemetry technology - experimental design, equipment and technology, animal movement, resource selection, and demographics. Wildlife biologists at the leading edge of new developments in the technology and its application have joined forces.
Author:
Publisher:
ISBN:
Category : Zoology
Languages : en
Pages : 708
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Book Description
Author: Rory Putman
Publisher: Springer Science & Business Media
ISBN: 9780412325908
Category : Science
Languages : en
Pages : 290
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Book Description
The aim of this book is to re-evaluate the true pest status of many common species traditionally regarded as pests. It is based on a revised selection of papers presented at a symposium organized by the Mammal Society in London, November 1987.
