Charles J. Krebs's Books

Population Fluctuations in Rodents

By: Charles J. Krebs

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Population Fluctuations in Rodents

By: Charles J. Krebs

How did rodent outbreaks in Germany help to end World War I? What caused the destructive outbreak of rodents in Oregon and California in the late 1950s, the large population outbreak of lemmings in Scandinavia in 2010, and the great abundance of field mice in Scotland in the spring of 2011? Population fluctuations, or outbreaks, of rodents constitute one of the classic problems of animal ecology, and in Population Fluctuations in Rodents, Charles J. Krebs sifts through the last eighty years of research to draw out exactly what we know about rodent outbreaks and what should be the agenda for future research. Krebs has synthesized the research in this area, focusing mainly on the voles and lemmings of the Northern Hemisphere—his primary area of expertise—but also referring to the literature on rats and mice. He covers the patterns of changes in reproduction and mortality and the mechanisms that cause these changes—including predation, disease, food shortage, and social behavior—and discusses how landscapes can affect population changes, methodically presenting the hypotheses related to each topic before determining whether or not the data supports them. He ends on an expansive note, by turning his gaze outward and discussing how the research on rodent populations can apply to other terrestrial mammals. Geared toward advanced undergraduate students, graduate students, and practicing ecologists interested in rodent population studies, this book will also appeal to researchers seeking to manage rodent populations and to understand outbreaks in both natural and urban settings—or, conversely, to protect endangered species.

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Page Count

317

Publisher

University of Chicago Press

Published Date

ISBN 10

022601049X

ISBN 13

9780226010496

Why Ecology Matters

By: Charles J. Krebs

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Why Ecology Matters

By: Charles J. Krebs

Global temperatures and seawater levels rise; the world’s smallest porpoise species looms at the edge of extinction; and a tiny emerald beetle from Japan flourishes in North America—but why does it matter? Who cares? With this concise, accessible, and up-to-date book, Charles J. Krebs answers critics and enlightens students and environmental advocates alike, revealing not why phenomena like these deserve our attention, but why they demand it. Highlighting key principles in ecology—from species extinction to the sun’s role in powering ecosystems—each chapter introduces a general question, illustrates that question with real-world examples, and links it to pressing ecological issues in which humans play a central role, such as the spread of invasive species, climate change, overfishing, and biodiversity conservation. While other introductions to ecology are rooted in complex theory, math, or practice and relegate discussions of human environmental impacts and their societal implications to sidebars and appendices, Why Ecology Matters interweaves these important discussions throughout. It is a book rooted in our contemporary world, delving into ecological issues that are perennial, timeless, but could not be more timely.

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Page Count

204

Publisher

University of Chicago Press

Published Date

ISBN 10

022631829X

ISBN 13

9780226318295

The Message of Ecology

By: Charles J. Krebs

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The Message of Ecology

By: Charles J. Krebs

Ecology Is A Fascinating Subject. This Is A Book To Introduce You To It And The Problems Ecologists Try To Analyze. Above All It Is An Attempt To Present The Subject In A Direct, Simple Form Without Including The Detail That Is Necessary In A More Conventional Textbook And Without Burdening The Subject With Abstruse Definitions Or Voluminous Statistics. So Do Not View This Book As A Text But As Supplemental Reading Designed For An Introductory Biology Course Or For A First Course In Ecology.

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Page Count

210

Publisher

Indo American Books

Published Date

ISBN 10

8189617435

ISBN 13

9788189617431

Coloniality in the Cliff Swallow

The Effect of Group Size on Social Behavior

By: Charles R. Brown,Mary Bomberger Brown

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Coloniality in the Cliff Swallow

The Effect of Group Size on Social Behavior

By: Charles R. Brown,Mary Bomberger Brown

Many animal species live and breed in colonies. Although biologists have documented numerous costs and benefits of group living, such as increased competition for limited resources and more pairs of eyes to watch for predators, they often still do not agree on why coloniality evolved in the first place. Drawing on their twelve-year study of a population of cliff swallows in Nebraska, the Browns investigate twenty-six social and ecological costs and benefits of coloniality, many never before addressed in a systematic way for any species. They explore how these costs and benefits are reflected in reproductive success and survivorship, and speculate on the evolution of cliff swallow coloniality. This work, the most comprehensive and detailed study of vertebrate coloniality to date, will be of interest to all who study social animals, including behavioral ecologists, population biologists, ornithologists, and parasitologists. Its focus on the evolution of coloniality will also appeal to evolutionary biologists and to psychologists studying decision making in animals.

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Page Count

588

Publisher

University of Chicago Press

Published Date

ISBN 10

0226076261

ISBN 13

9780226076263

Book's by Charles J. Krebs

Population Fluctuations in Rodents

Population Fluctuations in Rodents

Why Ecology Matters

Why Ecology Matters

The Message of Ecology

The Message of Ecology

Coloniality in the Cliff Swallow

Coloniality in the Cliff Swallow

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