Range-wide phylogeographic structure of the vernal pool fairy shrimp (Branchinecta lynchi).

Wetland habitats across the world are experiencing rapid modification and loss due to accelerating habitat conversion. Impacts to wetland habitats are particularly acute in California where up to 90% of wetland habitats have been modified or lost. Vernal pool ecosystems have therefore undergone a dr...

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Main Authors: Kristy Deiner, Joshua M Hull, Bernie May
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2017-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC5417434?pdf=render
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spelling doaj-7528a64f378c44a29e519433ef6f65232020-11-25T00:57:39ZengPublic Library of Science (PLoS)PLoS ONE1932-62032017-01-01125e017626610.1371/journal.pone.0176266Range-wide phylogeographic structure of the vernal pool fairy shrimp (Branchinecta lynchi).Kristy DeinerJoshua M HullBernie MayWetland habitats across the world are experiencing rapid modification and loss due to accelerating habitat conversion. Impacts to wetland habitats are particularly acute in California where up to 90% of wetland habitats have been modified or lost. Vernal pool ecosystems have therefore undergone a dramatic loss in habitat and along with them an entire endemic fauna is under threat of extinction. Recent efforts to conserve vernal pool habitat and associated species have involved restoration and creation of vernal pools as well as translocations of threatened species. The vernal pool fairy shrimp, Branchinecta lynchi, is one of several endemic and federally listed species being targeted for translocations. To guide reintroduction and conservation, detailed information on range-wide population structure and diversity is needed. We collected genetic data from two mitochondrial genes throughout the known extant range of B. lynchi to elucidate population structure and diversity of the species. We found support for phylogeographic structure throughout the range of B. lynch associated with isolated watersheds and vernal pool regions previously identified in the recovery plan for the species. The underlying mechanisms responsible for this broad pattern of genetic structure have yet to be identified. However, the evidence of only a few haplotypes being shared across the species range and patterns of isolation by distance within vernal pool regions suggests dispersal limitation may play a role. These results stress that conservation programs, at a minimum, should consider using individuals from regional populations as sources for reintroductions to maintain historical patterns of genetic differentiation. Additionally, because genetic structure is associated with vernal pool regions which are based on local hydrology and geology, translocations should proceed considering the distance between donor and recipient sites.http://europepmc.org/articles/PMC5417434?pdf=render
collection DOAJ
language English
format Article
sources DOAJ
author Kristy Deiner
Joshua M Hull
Bernie May
spellingShingle Kristy Deiner
Joshua M Hull
Bernie May
Range-wide phylogeographic structure of the vernal pool fairy shrimp (Branchinecta lynchi).
PLoS ONE
author_facet Kristy Deiner
Joshua M Hull
Bernie May
author_sort Kristy Deiner
title Range-wide phylogeographic structure of the vernal pool fairy shrimp (Branchinecta lynchi).
title_short Range-wide phylogeographic structure of the vernal pool fairy shrimp (Branchinecta lynchi).
title_full Range-wide phylogeographic structure of the vernal pool fairy shrimp (Branchinecta lynchi).
title_fullStr Range-wide phylogeographic structure of the vernal pool fairy shrimp (Branchinecta lynchi).
title_full_unstemmed Range-wide phylogeographic structure of the vernal pool fairy shrimp (Branchinecta lynchi).
title_sort range-wide phylogeographic structure of the vernal pool fairy shrimp (branchinecta lynchi).
publisher Public Library of Science (PLoS)
series PLoS ONE
issn 1932-6203
publishDate 2017-01-01
description Wetland habitats across the world are experiencing rapid modification and loss due to accelerating habitat conversion. Impacts to wetland habitats are particularly acute in California where up to 90% of wetland habitats have been modified or lost. Vernal pool ecosystems have therefore undergone a dramatic loss in habitat and along with them an entire endemic fauna is under threat of extinction. Recent efforts to conserve vernal pool habitat and associated species have involved restoration and creation of vernal pools as well as translocations of threatened species. The vernal pool fairy shrimp, Branchinecta lynchi, is one of several endemic and federally listed species being targeted for translocations. To guide reintroduction and conservation, detailed information on range-wide population structure and diversity is needed. We collected genetic data from two mitochondrial genes throughout the known extant range of B. lynchi to elucidate population structure and diversity of the species. We found support for phylogeographic structure throughout the range of B. lynch associated with isolated watersheds and vernal pool regions previously identified in the recovery plan for the species. The underlying mechanisms responsible for this broad pattern of genetic structure have yet to be identified. However, the evidence of only a few haplotypes being shared across the species range and patterns of isolation by distance within vernal pool regions suggests dispersal limitation may play a role. These results stress that conservation programs, at a minimum, should consider using individuals from regional populations as sources for reintroductions to maintain historical patterns of genetic differentiation. Additionally, because genetic structure is associated with vernal pool regions which are based on local hydrology and geology, translocations should proceed considering the distance between donor and recipient sites.
url http://europepmc.org/articles/PMC5417434?pdf=render
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