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<email_address><span class="nowrap">Contact[[File:At sign.svg|alt=At sign|15px|@|link=]]WikiJSci.org</span></email_address>
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<registrant>WEB-FORM</registrant>
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<full_title>WikiJournal of Science/Peripatric speciation</full_title>
<abbrev_title>Wiki.J.Sci.</abbrev_title>
<issn media_type='electronic'>2002-4436 / 2470-6345 / 2639-5347</issn>
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<doi>10.15347/WJS</doi>
<resource>http://www.WikiJSci.org/</resource>
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<journal_issue>
<publication_date media_type='online'>
<year>2019</year>
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<journal_volume>
<volume>2</volume>
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<issue></issue>
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<journal_article publication_type='full_text'>
<titles>
<title>Peripatric speciation</title>
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<person_name sequence='first' contributor_role='author'>
<surname></surname>
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<surname>et al.</surname><affiliation>Wikipedia editors of Peripatric_speciation</affiliation><link>https://xtools.wmflabs.org/articleinfo/en.wikipedia.org/Peripatric_speciation//2018-08-14</link>
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<publication_date media_type='online'>
<year>2019</year>
</publication_date>
<doi_data>
<doi>10.15347/wjs/2018.008</doi>
<resource>https://en.wikiversity.org/wiki/WikiJournal of Science/Peripatric speciation</resource>
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<license license-type="open-access">
<license-p>[[File:Open_Access_logo_PLoS_white.svg|11px|link=Wikipedia:Open Access]] [[File:Cc.logo.circle.svg|16px|link=Wikipedia:Creative Commons]]
This is an open access article distributed under the [http://creativecommons.org/licenses/by-sa/3.0/ Creative Commons Attribution ShareAlike License], which permits unrestricted use, distribution, and reproduction, provided the original author and source are credited.</license-p>
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<abstract>
</p>
Peripatric speciation is a mode of speciation in which a new species is formed from an isolated peripheral population. <sup class="reference" style="white-space:nowrap;"> <span >105</span></sup> Since peripatric speciation resembles allopatric speciation, in that populations are isolated and prevented from exchanging genes, it can often be difficult to distinguish between them. Nevertheless, the primary characteristic of peripatric speciation proposes that one of the populations is much smaller than the other. The terms peripatric and peripatry are often used in biogeography, referring to organisms whose ranges are closely adjacent but do not overlap, being separated where these organisms do not occur—for example on an oceanic island compared to the mainland. Such organisms are usually closely related (''e.g.'' sister species); their distribution being the result of peripatric speciation. The concept of peripatric speciation was first outlined by the evolutionary biologist Ernst Mayr in 1954. Since then, other alternative models have been developed such as centrifugal speciation, that posits that a species' population experiences periods of geographic range expansion followed by shrinking periods, leaving behind small isolated populations on the periphery of the main population. Other models have involved the effects of sexual selection on limited population sizes. Other related models of peripherally isolated populations based on chromosomal rearrangements have been developed such as budding speciation and quantum speciation. The existence of peripatric speciation is supported by observational evidence and laboratory experiments. <sup class="reference" style="white-space:nowrap;"> <span >106</span></sup> Scientists observing the patterns of a species biogeographic distribution and its phylogenetic relationships are able to reconstruct the historical process by which they diverged. Further, oceanic islands are often the subject of peripatric speciation research due to their isolated habitats—with the Hawaiian Islands widely represented in much of the scientific literature.
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</abstract>
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