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Natural Selection in the Wild. (MPB-21), Volume 21 : Monographs in Population Biology - John A. Endler

Natural Selection in the Wild. (MPB-21), Volume 21

Monographs in Population Biology

Paperback Published: 21st April 1986
ISBN: 9780691083872
Number Of Pages: 352

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Natural selection is an immense and important subject, yet there have been few attempts to summarize its effects on natural populations, and fewer still which discuss the problems of working with natural selection in the wild. These are the purposes of John Endler's book. In it, he discusses the methods and problems involved in the demonstration and measurement of natural selection, presents the critical evidence for its existence, and places it in an evolutionary perspective.

Professor Endler finds that there are a remarkable number of direct demonstrations of selection in a wide variety of animals and plants. The distribution of observed magnitudes of selection in natural populations is surprisingly broad, and it overlaps extensively the range of values found in artificial selection. He argues that the common assumption that selection is usually weak in natural populations is no longer tenable, but that natural selection is only one component of the process of evolution; natural selection can explain the change of frequencies of variants, but not their origins.

Prefacep. xi
Introductionp. 3
Definition of Natural Selectionp. 4
Relationship to Genetic Drift and Evolutionp. 5
Restricted Meanings of "Natural Selection"p. 8
Modes of Selectionp. 15
Summaryp. 26
Philosophical Commentsp. 27
Natural Selection and Tautologyp. 28
Force, Action, and Intensityp. 29
Fitness and Adaptationp. 33
Two More Useful Distinctionsp. 50
Summaryp. 51
Methods for the Detection of Natural Selection in the Wildp. 52
Method I: Correlation with Environmental Factorsp. 56
Method II: Comparisons between Closely Related Sympatric Speciesp. 59
Method III: Comparisons between Unrelated Species Living in Similar Habitatsp. 62
Method IV: Deviation from Formal Null Modelsp. 64
Method V: Long-Term Studies of Trait Frequency Distributionsp. 73
Method VI: Perturbation of Natural Populationsp. 75
Method VII: Genetic Demography or Cohort Analysisp. 81
Method VIII: Comparisons among Age Classes or Life-History Stagesp. 82
Methods IX and X: Predictions about Natural Selectionp. 86
Method IX: Nonequilibrium Predictions of Changes in Trait Frequency Distributionsp. 88
Method X: Equilibrium Predictions about Trait Frequency Distributionsp. 91
How to Detect Natural Selection in the Wildp. 93
Summaryp. 96
Problems in Detecting Natural Selectionp. 97
Reasons for Lack of Detection of Natural Selection When It Existsp. 98
Reasons for Apparent Detection of Selection When It Is Nonexistentp. 107
Reasons for Mislcading Detection of Selectionp. 115
Summaryp. 125
Direct Demonstrations of Natural Selection in the Wildp. 126
Characteristics of Demonstrative Studiesp. 127
Observations on the Distribution of Kinds of Traits Selectedp. 154
Observations on the Distribution of Modes of Selectionp. 160
General Comments on Detecting Natural Selectionp. 162
Summaryp. 165
Estimating Selection Coefficients and Differentialsp. 167
Introduction to the Methodsp. 168
Direct Univariate Methodsp. 171
Univariate Mean Fitness Methodsp. 176
Multivariate Methodsp. 179
The Use of Selection Coefficients and Differentialsp. 199
Summaryp. 201
Distribution of Selection Coefficients and Differentials in Natural Populationsp. 203
Methodsp. 203
Observed Distributionsp. 207
A Comparison of Observed and Expected Distributionsp. 215
Summaryp. 222
The Importance of Natural Selectionp. 224
Four Viewsp. 224
Origin and Replacementp. 240
Conclusion: Natural Selection and Evolutionp. 245
Summaryp. 248
Multiple Regression and the Estimation of Selection Differentialsp. 251
Comparisons between Selection Differentials and Regression Coefficients Using Simulated Data of Selection with Known Propertiesp. 260
Referencesp. 273
Species Indexp. 325
Subject Indexp. 328
Table of Contents provided by Syndetics. All Rights Reserved.

ISBN: 9780691083872
ISBN-10: 0691083878
Series: Monographs in Population Biology
Audience: Tertiary; University or College
Format: Paperback
Language: English
Number Of Pages: 352
Published: 21st April 1986
Country of Publication: US
Dimensions (cm): 20.47 x 15.39  x 2.18
Weight (kg): 0.46

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