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Speciation

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/9780198569725.003.0013
Subject:
Biology, Evolutionary Biology / Genetics

Diversification occurs readily in asexual populations, but is obstructed by recombination in outcrossed sexual organisms. Species may arise because sexual isolation permits diversification, or ... More


Ecological Speciation

Andrew P. Hendry

in Eco-evolutionary Dynamics

Published in print:
2016
Published Online:
January 2018
ISBN:
9780691145433
eISBN:
9781400883080
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691145433.003.0006
Subject:
Biology, Ecology

This chapter examines how populations in different environments can fall at different stages along a continuum of progress toward ecological speciation. It traces how variation can be used to infer ... More


What is ecological speciation?

Patrik Nosil

in Ecological Speciation

Published in print:
2012
Published Online:
May 2015
ISBN:
9780199587100
eISBN:
9780191810107
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780199587100.003.0001
Subject:
Biology, Evolutionary Biology / Genetics

This chapter defines ecological speciation as the process by which barriers to gene flow evolve between populations as a result of ecologically based divergent selection between environments. It ... More


Ecological Speciation

Patrik Nosil

Published in print:
2012
Published Online:
May 2015
ISBN:
9780199587100
eISBN:
9780191810107
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780199587100.001.0001
Subject:
Biology, Evolutionary Biology / Genetics

The origin of biological diversity, via the formation of new species, can be inextricably linked to adaptation to the ecological environment. Specifically, ecological processes are central to the ... More


Comparative Analyses of Ecological Speciation

Daniel J. Funk and Patrik Nosil

in Specialization, Speciation, and Radiation: The Evolutionary Biology of Herbivorous Insects

Published in print:
2008
Published Online:
March 2012
ISBN:
9780520251328
eISBN:
9780520933828
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520251328.003.0009
Subject:
Biology, Evolutionary Biology / Genetics

Although the contribution of natural selection to speciation was not an explicit empirical focus of most of the twentieth century, it was often assumed to be an important factor in the evolutionary ... More


Predictions and tests of ecological speciation

Patrik Nosil

in Ecological Speciation

Published in print:
2012
Published Online:
May 2015
ISBN:
9780199587100
eISBN:
9780191810107
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780199587100.003.0002
Subject:
Biology, Evolutionary Biology / Genetics

This chapter reviews five classes of approaches for testing ecological speciation. The explicit predictions, associated with each approach, allow ecological speciation to be distinguished from ... More


A genetic mechanism to link selection to reproductive isolation

Patrik Nosil

in Ecological Speciation

Published in print:
2012
Published Online:
May 2015
ISBN:
9780199587100
eISBN:
9780191810107
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780199587100.003.0005
Subject:
Biology, Evolutionary Biology / Genetics

This chapter deals with the conditions under which pleitropy versus linkage disequilibrium can drive ecological speciation. It considers just how tight physical linkage needs to be for linkage ... More


The speciation continuum: what factors affect how far speciation proceeds?

Patrik Nosil

in Ecological Speciation

Published in print:
2012
Published Online:
May 2015
ISBN:
9780199587100
eISBN:
9780191810107
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780199587100.003.0008
Subject:
Biology, Evolutionary Biology / Genetics

This chapter concentrates on the degree to which ecological speciation unfolds once it is initiated. Its central concept is that speciation is often an extended and continuous process. It details on ... More


Conclusions and future directions

Patrik Nosil

in Ecological Speciation

Published in print:
2012
Published Online:
May 2015
ISBN:
9780199587100
eISBN:
9780191810107
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780199587100.003.0009
Subject:
Biology, Evolutionary Biology / Genetics

This chapter summarizes what is known about ecological speciation, focusing on findings with strong support. It outlines the key missing components in the understanding of ecological speciation, ... More


The geography of ecological speciation

Patrik Nosil

in Ecological Speciation

Published in print:
2012
Published Online:
May 2015
ISBN:
9780199587100
eISBN:
9780191810107
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780199587100.003.0006
Subject:
Biology, Evolutionary Biology / Genetics

This chapter focuses on the geographic component of ecological speciation. It begins by giving different definitions of the geography of speciation and then studies the effects of geography on the ... More


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