Living in Heterogeneous Woodlands - Are Habitat Continuity or Quality Drivers of Genetic Variability in a Flightless Ground Beetle?
Although genetic diversity is one of the key components of biodiversity, its drivers are still not fully understood. While it is known that genetic diversity is affected both by environmental parameters as well as habitat history, these factors are not often tested together. Therefore, we analyzed 1...
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| description | Although genetic diversity is one of the key components of biodiversity, its drivers are still not fully understood. While it is known that genetic diversity is affected both by environmental parameters as well as habitat history, these factors are not often tested together. Therefore, we analyzed 14 microsatellite loci in Abax parallelepipedus, a flightless, forest dwelling ground beetle, from 88 plots in two study regions in Germany. We modeled the effects of historical and environmental variables on allelic richness, and found for one of the regions, the Schorfheide-Chorin, a significant effect of the depth of the litter layer, which is a main component of habitat quality, and of the sampling effort, which serves as an inverse proxy for local population size. For the other region, the Schwäbische Alb, none of the potential drivers showed a significant effect on allelic richness. We conclude that the genetic diversity in our study species is being driven by current local population sizes via environmental variables and not by historical processes in the studied regions. This is also supported by lack of genetic differentiation between local populations sampled from ancient and from recent woodlands. We suggest that the potential effects of former fragmentation and recolonization processes have been mitigated by the large and stable local populations of Abax parallelepipedus in combination with the proximity of the ancient and recent woodlands in the studied landscapes. |
| doi_str_mv | 10.1371/journal.pone.0144217 |
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While it is known that genetic diversity is affected both by environmental parameters as well as habitat history, these factors are not often tested together. Therefore, we analyzed 14 microsatellite loci in Abax parallelepipedus, a flightless, forest dwelling ground beetle, from 88 plots in two study regions in Germany. We modeled the effects of historical and environmental variables on allelic richness, and found for one of the regions, the Schorfheide-Chorin, a significant effect of the depth of the litter layer, which is a main component of habitat quality, and of the sampling effort, which serves as an inverse proxy for local population size. For the other region, the Schwäbische Alb, none of the potential drivers showed a significant effect on allelic richness. We conclude that the genetic diversity in our study species is being driven by current local population sizes via environmental variables and not by historical processes in the studied regions. This is also supported by lack of genetic differentiation between local populations sampled from ancient and from recent woodlands. We suggest that the potential effects of former fragmentation and recolonization processes have been mitigated by the large and stable local populations of Abax parallelepipedus in combination with the proximity of the ancient and recent woodlands in the studied landscapes.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0144217</identifier><identifier>PMID: 26641644</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Abax parallelepipedus ; Alleles ; Analysis ; Animals ; Beetles ; Biodiversity ; Carabidae ; Coleoptera ; Coleoptera - genetics ; Ecology ; Ecosystems ; Environmental effects ; Environmental parameters ; Flowers & plants ; Forests ; Genetic diversity ; Genetic Loci ; Genetic research ; Genetic variability ; Genetic Variation ; Habitats ; Health aspects ; Insects ; Landscape ; Local population ; Male ; Microsatellite Repeats ; Microsatellites ; Motor vehicle drivers ; Plant sciences ; Population ; Population genetics ; Population number ; Populations ; Recolonization ; Species diversity ; Studies ; Woodlands</subject><ispartof>PloS one, 2015-12, Vol.10 (12), p.e0144217-e0144217</ispartof><rights>COPYRIGHT 2015 Public Library of Science</rights><rights>2015 Marcus et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2015 Marcus et al 2015 Marcus et al</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c692t-8409f2b1ce50eacd1752de77e82f1a1193fc0cd0144364b9abd8aedf158c76e03</citedby><cites>FETCH-LOGICAL-c692t-8409f2b1ce50eacd1752de77e82f1a1193fc0cd0144364b9abd8aedf158c76e03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4671619/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4671619/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,2096,2915,23845,27901,27902,53766,53768,79343,79344</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26641644$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Paiva, Samuel Rezende</contributor><creatorcontrib>Marcus, Tamar</creatorcontrib><creatorcontrib>Boch, Steffen</creatorcontrib><creatorcontrib>Durka, Walter</creatorcontrib><creatorcontrib>Fischer, Markus</creatorcontrib><creatorcontrib>Gossner, Martin M</creatorcontrib><creatorcontrib>Müller, Jörg</creatorcontrib><creatorcontrib>Schöning, Ingo</creatorcontrib><creatorcontrib>Weisser, Wolfgang W</creatorcontrib><creatorcontrib>Drees, Claudia</creatorcontrib><creatorcontrib>Assmann, Thorsten</creatorcontrib><title>Living in Heterogeneous Woodlands - Are Habitat Continuity or Quality Drivers of Genetic Variability in a Flightless Ground Beetle?</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>Although genetic diversity is one of the key components of biodiversity, its drivers are still not fully understood. While it is known that genetic diversity is affected both by environmental parameters as well as habitat history, these factors are not often tested together. Therefore, we analyzed 14 microsatellite loci in Abax parallelepipedus, a flightless, forest dwelling ground beetle, from 88 plots in two study regions in Germany. We modeled the effects of historical and environmental variables on allelic richness, and found for one of the regions, the Schorfheide-Chorin, a significant effect of the depth of the litter layer, which is a main component of habitat quality, and of the sampling effort, which serves as an inverse proxy for local population size. For the other region, the Schwäbische Alb, none of the potential drivers showed a significant effect on allelic richness. We conclude that the genetic diversity in our study species is being driven by current local population sizes via environmental variables and not by historical processes in the studied regions. This is also supported by lack of genetic differentiation between local populations sampled from ancient and from recent woodlands. We suggest that the potential effects of former fragmentation and recolonization processes have been mitigated by the large and stable local populations of Abax parallelepipedus in combination with the proximity of the ancient and recent woodlands in the studied landscapes.</description><subject>Abax parallelepipedus</subject><subject>Alleles</subject><subject>Analysis</subject><subject>Animals</subject><subject>Beetles</subject><subject>Biodiversity</subject><subject>Carabidae</subject><subject>Coleoptera</subject><subject>Coleoptera - genetics</subject><subject>Ecology</subject><subject>Ecosystems</subject><subject>Environmental effects</subject><subject>Environmental parameters</subject><subject>Flowers & plants</subject><subject>Forests</subject><subject>Genetic diversity</subject><subject>Genetic Loci</subject><subject>Genetic research</subject><subject>Genetic variability</subject><subject>Genetic Variation</subject><subject>Habitats</subject><subject>Health 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This is also supported by lack of genetic differentiation between local populations sampled from ancient and from recent woodlands. We suggest that the potential effects of former fragmentation and recolonization processes have been mitigated by the large and stable local populations of Abax parallelepipedus in combination with the proximity of the ancient and recent woodlands in the studied landscapes.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>26641644</pmid><doi>10.1371/journal.pone.0144217</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Abax parallelepipedus Alleles Analysis Animals Beetles Biodiversity Carabidae Coleoptera Coleoptera - genetics Ecology Ecosystems Environmental effects Environmental parameters Flowers & plants Forests Genetic diversity Genetic Loci Genetic research Genetic variability Genetic Variation Habitats Health aspects Insects Landscape Local population Male Microsatellite Repeats Microsatellites Motor vehicle drivers Plant sciences Population Population genetics Population number Populations Recolonization Species diversity Studies Woodlands |
| title | Living in Heterogeneous Woodlands - Are Habitat Continuity or Quality Drivers of Genetic Variability in a Flightless Ground Beetle? |
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