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Genetic structure and genetic diversity of the endangered grassland plant Crepis mollis (Jacq.) Asch. as a basis for conservation management in Germany
Plant diversity is decreasing mainly through anthropogenic factors like habitat fragmentation, which lead to spatial separation of remaining populations and thereby affect genetic diversity and structure within species. Twenty populations of the threatened grassland species Crepis mollis were studie...
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Published in: | Conservation genetics 2018-06, Vol.19 (3), p.527-543 |
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description | Plant diversity is decreasing mainly through anthropogenic factors like habitat fragmentation, which lead to spatial separation of remaining populations and thereby affect genetic diversity and structure within species. Twenty populations of the threatened grassland species
Crepis mollis
were studied across Germany (578 individual plants) based on microsatellite genotyping. Genetic diversity was significantly higher in populations from the Alpine region than from the Central Uplands. Furthermore, genetic diversity was significantly positively correlated with population size. Despite smaller populations in the Uplands there were no signs of inbreeding. Genetic differentiation between populations was moderate (
F
ST
= 0.09) and no isolation by distance was found. In contrast, large-scale spatial genetic structure showed a significant decrease of individual pairwise relatedness, which was higher than in random pairs up to 50 km. Bayesian analyses detected three genetic clusters consistent with two regions in the Uplands and an admixture group in the Alpine region. Despite the obvious spatial isolation of the currently known populations, the absence of significant isolation by distance combined together with moderate population differentiation indicates that drift rather than inter-population gene flow drives differentiation. The absence of inbreeding suggests that pollination is still effective, while seed dispersal by wind is likely to be impaired by discontinuous habitats. Our results underline the need for maintaining or improving habitat quality as the most important short term measure for
C. mollis
. For maintaining long-term viability, establishing stepping stone habitats or, where this is not possible, assisted gene flow needs to be considered. |
doi_str_mv | 10.1007/s10592-017-1025-8 |
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Crepis mollis
were studied across Germany (578 individual plants) based on microsatellite genotyping. Genetic diversity was significantly higher in populations from the Alpine region than from the Central Uplands. Furthermore, genetic diversity was significantly positively correlated with population size. Despite smaller populations in the Uplands there were no signs of inbreeding. Genetic differentiation between populations was moderate (
F
ST
= 0.09) and no isolation by distance was found. In contrast, large-scale spatial genetic structure showed a significant decrease of individual pairwise relatedness, which was higher than in random pairs up to 50 km. Bayesian analyses detected three genetic clusters consistent with two regions in the Uplands and an admixture group in the Alpine region. Despite the obvious spatial isolation of the currently known populations, the absence of significant isolation by distance combined together with moderate population differentiation indicates that drift rather than inter-population gene flow drives differentiation. The absence of inbreeding suggests that pollination is still effective, while seed dispersal by wind is likely to be impaired by discontinuous habitats. Our results underline the need for maintaining or improving habitat quality as the most important short term measure for
C. mollis
. For maintaining long-term viability, establishing stepping stone habitats or, where this is not possible, assisted gene flow needs to be considered.</description><identifier>ISSN: 1566-0621</identifier><identifier>EISSN: 1572-9737</identifier><identifier>DOI: 10.1007/s10592-017-1025-8</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Admixtures ; Alpine regions ; Animal Genetics and Genomics ; Anthropogenic factors ; Bayesian analysis ; Biodiversity ; Biomedical and Life Sciences ; Conservation Biology/Ecology ; Differentiation ; Ecology ; Endangered plants ; Environmental quality ; Evolutionary Biology ; Gene flow ; Genetic analysis ; Genetic diversity ; Genetic structure ; Genotyping ; Grasslands ; Habitat fragmentation ; Habitat improvement ; Habitats ; Highlands ; Inbreeding ; Life Sciences ; Plant diversity ; Plant Genetics and Genomics ; Plant populations ; Pollination ; Population differentiation ; Population genetics ; Population number ; Populations ; Research Article ; Seed dispersal ; Species diversity ; Threatened species ; Viability</subject><ispartof>Conservation genetics, 2018-06, Vol.19 (3), p.527-543</ispartof><rights>Springer Science+Business Media B.V., part of Springer Nature 2017</rights><rights>Conservation Genetics is a copyright of Springer, (2017). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-391a0fc032680e8871f02407a11ee57d4f926e751081e5f6d52107e1f90c04be3</citedby><cites>FETCH-LOGICAL-c316t-391a0fc032680e8871f02407a11ee57d4f926e751081e5f6d52107e1f90c04be3</cites><orcidid>0000-0002-0930-2772</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Duwe, Virginia K.</creatorcontrib><creatorcontrib>Muller, Ludo A. H.</creatorcontrib><creatorcontrib>Reichel, Katja</creatorcontrib><creatorcontrib>Zippel, Elke</creatorcontrib><creatorcontrib>Borsch, Thomas</creatorcontrib><creatorcontrib>Ismail, Sascha A.</creatorcontrib><title>Genetic structure and genetic diversity of the endangered grassland plant Crepis mollis (Jacq.) Asch. as a basis for conservation management in Germany</title><title>Conservation genetics</title><addtitle>Conserv Genet</addtitle><description>Plant diversity is decreasing mainly through anthropogenic factors like habitat fragmentation, which lead to spatial separation of remaining populations and thereby affect genetic diversity and structure within species. Twenty populations of the threatened grassland species
Crepis mollis
were studied across Germany (578 individual plants) based on microsatellite genotyping. Genetic diversity was significantly higher in populations from the Alpine region than from the Central Uplands. Furthermore, genetic diversity was significantly positively correlated with population size. Despite smaller populations in the Uplands there were no signs of inbreeding. Genetic differentiation between populations was moderate (
F
ST
= 0.09) and no isolation by distance was found. In contrast, large-scale spatial genetic structure showed a significant decrease of individual pairwise relatedness, which was higher than in random pairs up to 50 km. Bayesian analyses detected three genetic clusters consistent with two regions in the Uplands and an admixture group in the Alpine region. Despite the obvious spatial isolation of the currently known populations, the absence of significant isolation by distance combined together with moderate population differentiation indicates that drift rather than inter-population gene flow drives differentiation. The absence of inbreeding suggests that pollination is still effective, while seed dispersal by wind is likely to be impaired by discontinuous habitats. Our results underline the need for maintaining or improving habitat quality as the most important short term measure for
C. mollis
. For maintaining long-term viability, establishing stepping stone habitats or, where this is not possible, assisted gene flow needs to be considered.</description><subject>Admixtures</subject><subject>Alpine regions</subject><subject>Animal Genetics and Genomics</subject><subject>Anthropogenic factors</subject><subject>Bayesian analysis</subject><subject>Biodiversity</subject><subject>Biomedical and Life Sciences</subject><subject>Conservation Biology/Ecology</subject><subject>Differentiation</subject><subject>Ecology</subject><subject>Endangered plants</subject><subject>Environmental quality</subject><subject>Evolutionary Biology</subject><subject>Gene flow</subject><subject>Genetic analysis</subject><subject>Genetic diversity</subject><subject>Genetic structure</subject><subject>Genotyping</subject><subject>Grasslands</subject><subject>Habitat fragmentation</subject><subject>Habitat improvement</subject><subject>Habitats</subject><subject>Highlands</subject><subject>Inbreeding</subject><subject>Life Sciences</subject><subject>Plant diversity</subject><subject>Plant Genetics and Genomics</subject><subject>Plant populations</subject><subject>Pollination</subject><subject>Population differentiation</subject><subject>Population genetics</subject><subject>Population number</subject><subject>Populations</subject><subject>Research Article</subject><subject>Seed dispersal</subject><subject>Species diversity</subject><subject>Threatened species</subject><subject>Viability</subject><issn>1566-0621</issn><issn>1572-9737</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kE1LAzEQhhdR8PMHeAt40cPWmWw32T1K0aoIXvQcYnZSV9pszaRCf4l_1ywVPHnJhMnzvoGnKM4RJgigrxmhbmUJqEsEWZfNXnGEtZZlqyu9P96VKkFJPCyOmT8AUEmNR8X3nAKl3glOcePSJpKwoROL323Xf1HkPm3F4EV6J0Ghs2FBkTITLfNypNf5TGIWad2zWA3LZR6Xj9Z9Tq7EDbv3ibAsrHiznB_8EIUbAlP8sqkfgljZYBe0olzRBzGnmBfb0-LA2yXT2e88KV7vbl9m9-XT8_xhdvNUugpVKqsWLXgHlVQNUNNo9CCnoC0iUa27qW-lIl0jNEi1V10tETShb8HB9I2qk-Ji17uOw-eGOJmPYRND_tJImEqoWpAqU7ijXByYI3mzjv3Kxq1BMKN_s_Nvsn8z-jdNzshdhjM7Kvtr_j_0AzUyiOQ</recordid><startdate>20180601</startdate><enddate>20180601</enddate><creator>Duwe, Virginia K.</creator><creator>Muller, Ludo A. H.</creator><creator>Reichel, Katja</creator><creator>Zippel, Elke</creator><creator>Borsch, Thomas</creator><creator>Ismail, Sascha A.</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SN</scope><scope>7SS</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>RC3</scope><orcidid>https://orcid.org/0000-0002-0930-2772</orcidid></search><sort><creationdate>20180601</creationdate><title>Genetic structure and genetic diversity of the endangered grassland plant Crepis mollis (Jacq.) Asch. as a basis for conservation management in Germany</title><author>Duwe, Virginia K. ; Muller, Ludo A. H. ; Reichel, Katja ; Zippel, Elke ; Borsch, Thomas ; Ismail, Sascha A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-391a0fc032680e8871f02407a11ee57d4f926e751081e5f6d52107e1f90c04be3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Admixtures</topic><topic>Alpine regions</topic><topic>Animal Genetics and Genomics</topic><topic>Anthropogenic factors</topic><topic>Bayesian analysis</topic><topic>Biodiversity</topic><topic>Biomedical and Life Sciences</topic><topic>Conservation Biology/Ecology</topic><topic>Differentiation</topic><topic>Ecology</topic><topic>Endangered plants</topic><topic>Environmental quality</topic><topic>Evolutionary Biology</topic><topic>Gene flow</topic><topic>Genetic analysis</topic><topic>Genetic diversity</topic><topic>Genetic structure</topic><topic>Genotyping</topic><topic>Grasslands</topic><topic>Habitat fragmentation</topic><topic>Habitat improvement</topic><topic>Habitats</topic><topic>Highlands</topic><topic>Inbreeding</topic><topic>Life Sciences</topic><topic>Plant diversity</topic><topic>Plant Genetics and Genomics</topic><topic>Plant populations</topic><topic>Pollination</topic><topic>Population differentiation</topic><topic>Population genetics</topic><topic>Population number</topic><topic>Populations</topic><topic>Research Article</topic><topic>Seed dispersal</topic><topic>Species diversity</topic><topic>Threatened species</topic><topic>Viability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Duwe, Virginia K.</creatorcontrib><creatorcontrib>Muller, Ludo A. H.</creatorcontrib><creatorcontrib>Reichel, Katja</creatorcontrib><creatorcontrib>Zippel, Elke</creatorcontrib><creatorcontrib>Borsch, Thomas</creatorcontrib><creatorcontrib>Ismail, Sascha A.</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>AUTh Library subscriptions: ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Genetics Abstracts</collection><jtitle>Conservation genetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Duwe, Virginia K.</au><au>Muller, Ludo A. H.</au><au>Reichel, Katja</au><au>Zippel, Elke</au><au>Borsch, Thomas</au><au>Ismail, Sascha A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Genetic structure and genetic diversity of the endangered grassland plant Crepis mollis (Jacq.) Asch. as a basis for conservation management in Germany</atitle><jtitle>Conservation genetics</jtitle><stitle>Conserv Genet</stitle><date>2018-06-01</date><risdate>2018</risdate><volume>19</volume><issue>3</issue><spage>527</spage><epage>543</epage><pages>527-543</pages><issn>1566-0621</issn><eissn>1572-9737</eissn><abstract>Plant diversity is decreasing mainly through anthropogenic factors like habitat fragmentation, which lead to spatial separation of remaining populations and thereby affect genetic diversity and structure within species. Twenty populations of the threatened grassland species
Crepis mollis
were studied across Germany (578 individual plants) based on microsatellite genotyping. Genetic diversity was significantly higher in populations from the Alpine region than from the Central Uplands. Furthermore, genetic diversity was significantly positively correlated with population size. Despite smaller populations in the Uplands there were no signs of inbreeding. Genetic differentiation between populations was moderate (
F
ST
= 0.09) and no isolation by distance was found. In contrast, large-scale spatial genetic structure showed a significant decrease of individual pairwise relatedness, which was higher than in random pairs up to 50 km. Bayesian analyses detected three genetic clusters consistent with two regions in the Uplands and an admixture group in the Alpine region. Despite the obvious spatial isolation of the currently known populations, the absence of significant isolation by distance combined together with moderate population differentiation indicates that drift rather than inter-population gene flow drives differentiation. The absence of inbreeding suggests that pollination is still effective, while seed dispersal by wind is likely to be impaired by discontinuous habitats. Our results underline the need for maintaining or improving habitat quality as the most important short term measure for
C. mollis
. For maintaining long-term viability, establishing stepping stone habitats or, where this is not possible, assisted gene flow needs to be considered.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10592-017-1025-8</doi><tpages>17</tpages><orcidid>https://orcid.org/0000-0002-0930-2772</orcidid></addata></record> |
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subjects | Admixtures Alpine regions Animal Genetics and Genomics Anthropogenic factors Bayesian analysis Biodiversity Biomedical and Life Sciences Conservation Biology/Ecology Differentiation Ecology Endangered plants Environmental quality Evolutionary Biology Gene flow Genetic analysis Genetic diversity Genetic structure Genotyping Grasslands Habitat fragmentation Habitat improvement Habitats Highlands Inbreeding Life Sciences Plant diversity Plant Genetics and Genomics Plant populations Pollination Population differentiation Population genetics Population number Populations Research Article Seed dispersal Species diversity Threatened species Viability |
title | Genetic structure and genetic diversity of the endangered grassland plant Crepis mollis (Jacq.) Asch. as a basis for conservation management in Germany |
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