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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


Family Relationships: An Evolutionary Perspective

Catherine A. Salmon and Todd K. Shackelford (eds)

Published in print:
2007
Published Online:
September 2007
ISBN:
9780195320510
eISBN:
9780199786800
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195320510.001.0001
Subject:
Psychology, Social Psychology

Kinship ties — the close relationships found within the family — have been a central focus of evolutionary biological analyses of social behavior ever since biologist William Hamilton extended the ... More


What Is Fitness?

James A.R. Marshall

in Social Evolution and Inclusive Fitness Theory: An Introduction

Published in print:
2015
Published Online:
October 2017
ISBN:
9780691161563
eISBN:
9781400866564
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691161563.003.0009
Subject:
Biology, Evolutionary Biology / Genetics

This chapter considers the problem of correctly defining fitness costs and benefits in inclusive fitness theory, when competition occurs between offspring who are relatives. It reviews the definition ... More


Heritability, Maximization, and Evolutionary Explanations

James A.R. Marshall

in Social Evolution and Inclusive Fitness Theory: An Introduction

Published in print:
2015
Published Online:
October 2017
ISBN:
9780691161563
eISBN:
9781400866564
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691161563.003.0008
Subject:
Biology, Evolutionary Biology / Genetics

This chapter examines which of the equivalent alternative partitions of fitness, including inclusive fitness and group fitness, can be interpreted as being subject to natural selection in a ... More


Socialization

Samuel Bowles and Herbert Gintis

in A Cooperative Species: Human Reciprocity and Its Evolution

Published in print:
2011
Published Online:
October 2017
ISBN:
9780691151250
eISBN:
9781400838837
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691151250.003.0010
Subject:
Economics and Finance, History of Economic Thought

This chapter examines socialization and the process by which social norms become internalized, how this capacity for internalization could have evolved, and why the norms internalized tend to be ... More


Social Evolution and Inclusive Fitness Theory: An Introduction

James A.R. Marshall

Published in print:
2015
Published Online:
October 2017
ISBN:
9780691161563
eISBN:
9781400866564
Item type:
book
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691161563.001.0001
Subject:
Biology, Evolutionary Biology / Genetics

Social behavior has long puzzled evolutionary biologists, since the classical theory of natural selection maintains that individuals should not sacrifice their own fitness to affect that of others. ... More


Natural Selection in the Abstract

Samir Okasha

in Evolution and the Levels of Selection

Published in print:
2006
Published Online:
January 2007
ISBN:
9780199267972
eISBN:
9780191708275
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199267972.003.0001
Subject:
Philosophy, Philosophy of Science

This chapter studies the logic of evolution by natural selection and the origin of the levels of selection question. The abstract nature of the core Darwinian principles, and thus their potential ... More


Causality and Multi‐Level Selection

Samir Okasha

in Evolution and the Levels of Selection

Published in print:
2006
Published Online:
January 2007
ISBN:
9780199267972
eISBN:
9780191708275
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199267972.003.0003
Subject:
Philosophy, Philosophy of Science

This chapter analyzes the causal dimension to multi-level selection theory. Particular attention is paid to the idea that direct selection at one hierarchical level may generate, as a side effect, a ... More


The Group Selection Controversy

Samir Okasha

in Evolution and the Levels of Selection

Published in print:
2006
Published Online:
January 2007
ISBN:
9780199267972
eISBN:
9780191708275
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199267972.003.0006
Subject:
Philosophy, Philosophy of Science

This chapter examines the notorious issue of group selection in behavioural ecology, one of the mainstays of the traditional levels of selection debate. The history of the group selection controversy ... More


 What Is Evolutionary Biology and Where Is It Coming From?

Paul F. Lurquin and Linda Stone

in Evolution and Religious Creation Myths: How Scientists Respond

Published in print:
2007
Published Online:
September 2007
ISBN:
9780195315387
eISBN:
9780199785674
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195315387.003.0002
Subject:
Religion, Religion and Society

This chapter describes the Darwin-Wallace theory of evolution by natural selection. In particular, it explains the notion of fitness, which underlies the concepts of descent with modification and the ... More


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