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Natural selection in open populations

Graham Bell

in Selection: The Mechanism of Evolution

Published in print:
2007
Published Online:
May 2008
ISBN:
9780198569725
eISBN:
9780191717741
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198569725.003.0007
Subject:
Biology, Evolutionary Biology / Genetics

Natural selection can be observed and measured in natural populations. This chapter argues that it is commonplace, strong, fluctuating, and oligogenic. The first section here is called Fitness in ... More


Fluctuating Selection and Dynamic Adaptive Landscapes

Ryan Calsbeek, Thomas P. Gosden, Shawn R. Kuchta, and Erik I. Svensson

in The Adaptive Landscape in Evolutionary Biology

Published in print:
2013
Published Online:
December 2013
ISBN:
9780199595372
eISBN:
9780191774799
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199595372.003.0007
Subject:
Biology, Evolutionary Biology / Genetics

One of the central assumptions in Wright's original conception of the adaptive landscape, was that fitness remained constant through time. Decades of study have since shown that this assumption is ... More


The Geographic Dynamics of Coevolution

John N. Thompson

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/9780195131543.003.0032
Subject:
Environmental Science, Applied Ecology

Coevolution is reciprocal evolutionary change in interacting species driven by natural selection. It is a pervasive evolutionary process that has shaped many of the major events in the history of ... More


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