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What Is Group Selection?

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/9780226129877.003.0002
Subject:
Biology, Evolutionary Biology / Genetics

In this chapter, the efficacy of group selection and the debates over it role, if any, in natural populations is discussed from the perspective of two different contexts. One debate is centered on ... More


Introduction

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/9780226129877.003.0001
Subject:
Biology, Evolutionary Biology / Genetics

This chapter traces the history of metapopulation studies from the introduction of the term by Levins in 1970 to its investigation in a variety of field, theoretical and laboratory systems. The ... More


Natural Selection

Daphne J. Fairbairn and Jeff P. Reeve

in Evolutionary Ecology: Concepts and Case Studies

Published in print:
2001
Published Online:
November 2020
ISBN:
9780195131543
eISBN:
9780197561461
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195131543.003.0007
Subject:
Environmental Science, Applied Ecology

The theory that organisms become adapted to their environment through the process of natural selection has become so ingrained in modern biological thought, and more generally in Western culture of ... More


Short-term Changes in the Mean: 1. The Breeder’s Equation

Bruce Walsh and Michael Lynch

in Evolution and Selection of Quantitative Traits

Published in print:
2018
Published Online:
September 2018
ISBN:
9780198830870
eISBN:
9780191868986
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198830870.003.0013
Subject:
Biology, Evolutionary Biology / Genetics, Biochemistry / Molecular Biology

The expected response in the mean of a trait subjected to a single generation of selection from an unselected base population is usually well-approximated by the breeder's equation, R = h2S. This ... More


Experimental Studies of Wright’s Shifting Balance 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/9780226129877.003.0009
Subject:
Biology, Evolutionary Biology / Genetics

This chapter contains a discussion of the ecological and the genetic basis for Sewall Wright’s Shifting Balance Theory. It also relays discussions of the author with Wright about how to ... More


The Individual Level: Selection Effects

Diane C. Bates

in Environmental Conflicts, Migration and Governance

Published in print:
2020
Published Online:
September 2020
ISBN:
9781529202168
eISBN:
9781529209594
Item type:
chapter
Publisher:
Policy Press
DOI:
10.1332/policypress/9781529202168.003.0005
Subject:
Political Science, Environmental Politics

This chapter contributes to the explanation to how environmental migrants are ‘selected’ at the individual and small group level. It argues that individual decisions to migrate depend on the type of ... More


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