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Allee Effects in Ecology and Conservation

Franck Courchamp, Ludek Berec, and Joanna Gascoigne

Published in print:
2008
Published Online:
May 2008
ISBN:
9780198570301
eISBN:
9780191717642
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570301.001.0001
Subject:
Biology, Biodiversity / Conservation Biology

Allee effects are broadly defined as a decline in individual fitness at low population size or density, that can result in critical population thresholds below which populations crash to extinction. ... More


Sex allocation

Jan Komdeur

in The Evolution of Parental Care

Published in print:
2012
Published Online:
December 2013
ISBN:
9780199692576
eISBN:
9780191774737
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199692576.003.0010
Subject:
Biology, Evolutionary Biology / Genetics

This chapter reviews various social and ecological circumstances linked to parental care that could drive variation in adaptive sex allocation in of vertebrates. The most extreme and precise sex ... More


Beyond the Shifting Balancing Theory

Michael J. Wade

in Adaptation in Metapopulations: How Interaction Changes Evolution

Published in print:
2016
Published Online:
January 2017
ISBN:
9780226129563
eISBN:
9780226129877
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226129877.003.0010
Subject:
Biology, Evolutionary Biology / Genetics

This chapter presents the results of crosses between beetles from high and low reproducing populations in relation to the fitness landscape of flour beetle laboratory populations. The chapter ... More


Animal Conflict

Richard Mcelreath and Robert Boyd

in Mathematical Models of Social Evolution: A Guide for the Perplexed

Published in print:
2007
Published Online:
February 2013
ISBN:
9780226558264
eISBN:
9780226558288
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226558288.003.0002
Subject:
Biology, Evolutionary Biology / Genetics

Resources are often scarce, and scarcity often leads to conflict. The form of conflict ranges from subtle supplants in which one animal departs at the other's approach to escalated fights in which ... More


Behavioural plasticity and environmental change

Josh Van Buskirk

in Behavioural Responses to a Changing World: Mechanisms and Consequences

Published in print:
2012
Published Online:
May 2015
ISBN:
9780199602568
eISBN:
9780191810121
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780199602568.003.0011
Subject:
Biology, Animal Biology

This chapter considers the role of behavioural plasticity under rapid environmental change, including the kinds of changing conditions expected under anthropogenic climate change. It looks into how ... More


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