Impact of habitat fragmentation on the genetics of populations in dendritic landscapes
Summary 1. The effect of habitat fragmentation on freshwater species has been addressed using brown trout Salmo trutta L. as a model species with a dendritic population structure. 2. Microsatellite loci were employed as molecular markers. Levels of gene flow and population subdivision were determine...
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| Veröffentlicht in: | Freshwater biology 2011-12, Vol.56 (12), p.2567-2579 |
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| container_title | Freshwater biology |
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| creator | HORREO, JOSE L. MARTINEZ, JOSE L. AYLLON, FERNANDO POLA, IVAN G. MONTEOLIVA, JOSE A. HÉLAND, MICHEL GARCIA-VAZQUEZ, EVA |
| description | Summary
1. The effect of habitat fragmentation on freshwater species has been addressed using brown trout Salmo trutta L. as a model species with a dendritic population structure.
2. Microsatellite loci were employed as molecular markers. Levels of gene flow and population subdivision were determined in more than 1200 brown trout individuals inhabiting four south European rivers with contrasting patterns of fragmentation, defined by the presence of barriers.
3. The genetic units in the four rivers were restricted by artificial barriers, and gene flow among samples within each river was associated with the level of fragmentation of the river.
4. Loss of genetic diversity and dislocation of the dendritic model have been detected in fragmented rivers. These results emphasise the importance of mitigating the impact of dams by constructing passages to restore gene flow along the river, for fish and other migratory species, as well as the need for caution in relation to stocking in isolated areas to avoid problems of inbreeding. |
| doi_str_mv | 10.1111/j.1365-2427.2011.02682.x |
| format | Article |
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1. The effect of habitat fragmentation on freshwater species has been addressed using brown trout Salmo trutta L. as a model species with a dendritic population structure.
2. Microsatellite loci were employed as molecular markers. Levels of gene flow and population subdivision were determined in more than 1200 brown trout individuals inhabiting four south European rivers with contrasting patterns of fragmentation, defined by the presence of barriers.
3. The genetic units in the four rivers were restricted by artificial barriers, and gene flow among samples within each river was associated with the level of fragmentation of the river.
4. Loss of genetic diversity and dislocation of the dendritic model have been detected in fragmented rivers. These results emphasise the importance of mitigating the impact of dams by constructing passages to restore gene flow along the river, for fish and other migratory species, as well as the need for caution in relation to stocking in isolated areas to avoid problems of inbreeding.</description><identifier>ISSN: 0046-5070</identifier><identifier>EISSN: 1365-2427</identifier><identifier>DOI: 10.1111/j.1365-2427.2011.02682.x</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Agricultural sciences ; Fish ; Freshwater ; gene flow ; Genetic diversity ; genetic impact ; habitat fragmentation ; Life Sciences ; population structure ; Rivers ; Salmo trutta ; Salmo trutta L</subject><ispartof>Freshwater biology, 2011-12, Vol.56 (12), p.2567-2579</ispartof><rights>2011 Blackwell Publishing Ltd</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3972-6b2eb15d907e97b5165f812f025f9309d8bd6c7903ac5fd1e1cea1752702d30f3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1365-2427.2011.02682.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1365-2427.2011.02682.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,776,780,881,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://hal.inrae.fr/hal-02648467$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>HORREO, JOSE L.</creatorcontrib><creatorcontrib>MARTINEZ, JOSE L.</creatorcontrib><creatorcontrib>AYLLON, FERNANDO</creatorcontrib><creatorcontrib>POLA, IVAN G.</creatorcontrib><creatorcontrib>MONTEOLIVA, JOSE A.</creatorcontrib><creatorcontrib>HÉLAND, MICHEL</creatorcontrib><creatorcontrib>GARCIA-VAZQUEZ, EVA</creatorcontrib><title>Impact of habitat fragmentation on the genetics of populations in dendritic landscapes</title><title>Freshwater biology</title><description>Summary
1. The effect of habitat fragmentation on freshwater species has been addressed using brown trout Salmo trutta L. as a model species with a dendritic population structure.
2. Microsatellite loci were employed as molecular markers. Levels of gene flow and population subdivision were determined in more than 1200 brown trout individuals inhabiting four south European rivers with contrasting patterns of fragmentation, defined by the presence of barriers.
3. The genetic units in the four rivers were restricted by artificial barriers, and gene flow among samples within each river was associated with the level of fragmentation of the river.
4. Loss of genetic diversity and dislocation of the dendritic model have been detected in fragmented rivers. These results emphasise the importance of mitigating the impact of dams by constructing passages to restore gene flow along the river, for fish and other migratory species, as well as the need for caution in relation to stocking in isolated areas to avoid problems of inbreeding.</description><subject>Agricultural sciences</subject><subject>Fish</subject><subject>Freshwater</subject><subject>gene flow</subject><subject>Genetic diversity</subject><subject>genetic impact</subject><subject>habitat fragmentation</subject><subject>Life Sciences</subject><subject>population structure</subject><subject>Rivers</subject><subject>Salmo trutta</subject><subject>Salmo trutta L</subject><issn>0046-5070</issn><issn>1365-2427</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNpdkV9P2zAUxa2JSSuw72BpL-wh2bUd28kDD4Boi1SNIcEq7eXKSRzqLk1CnGzl28-hUx-wLPnK53eu_xxCKIOYhfFtGzOhZMQTrmMOjMXAVcrj_QcyOwonZAaQqEiChk_k1PstAKRS8xn5ebfrTDHQtqIbk7vBDLTqzfPONqF0bUPDHDaWPtvGDq7wE9i13Vi_qZ66hpa2KXsXRFqbpvSF6aw_Jx8rU3v7-f96Rp7mt483y2h1v7i7uVpFhcg0j1TObc5kmYG2mc4lU7JKGa-AyyoTkJVpXqpCZyBMIauSWVZYw7TkGngpoBJn5Ouh78bU2PVuZ_pXbI3D5dUKp73wG0maKP2HBfbiwHZ9-zJaP-DO-cLW4da2HT0yqYBBksGEfnmHbtuxb8JLApUogEzxNFCXB-qvq-3r8XgGOCWDW5wCwCkAnJLBt2Rwj_P19VQFf3TwOz_Y_dFv-t-otNAS198X-PBLrBc_VIqP4h8uE5Gr</recordid><startdate>201112</startdate><enddate>201112</enddate><creator>HORREO, JOSE L.</creator><creator>MARTINEZ, JOSE L.</creator><creator>AYLLON, FERNANDO</creator><creator>POLA, IVAN G.</creator><creator>MONTEOLIVA, JOSE A.</creator><creator>HÉLAND, MICHEL</creator><creator>GARCIA-VAZQUEZ, EVA</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><general>Wiley</general><scope>BSCLL</scope><scope>7QH</scope><scope>7SN</scope><scope>7SS</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>M7N</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope><scope>1XC</scope></search><sort><creationdate>201112</creationdate><title>Impact of habitat fragmentation on the genetics of populations in dendritic landscapes</title><author>HORREO, JOSE L. ; MARTINEZ, JOSE L. ; AYLLON, FERNANDO ; POLA, IVAN G. ; MONTEOLIVA, JOSE A. ; HÉLAND, MICHEL ; GARCIA-VAZQUEZ, EVA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3972-6b2eb15d907e97b5165f812f025f9309d8bd6c7903ac5fd1e1cea1752702d30f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Agricultural sciences</topic><topic>Fish</topic><topic>Freshwater</topic><topic>gene flow</topic><topic>Genetic diversity</topic><topic>genetic impact</topic><topic>habitat fragmentation</topic><topic>Life Sciences</topic><topic>population structure</topic><topic>Rivers</topic><topic>Salmo trutta</topic><topic>Salmo trutta L</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HORREO, JOSE L.</creatorcontrib><creatorcontrib>MARTINEZ, JOSE L.</creatorcontrib><creatorcontrib>AYLLON, FERNANDO</creatorcontrib><creatorcontrib>POLA, IVAN G.</creatorcontrib><creatorcontrib>MONTEOLIVA, JOSE A.</creatorcontrib><creatorcontrib>HÉLAND, MICHEL</creatorcontrib><creatorcontrib>GARCIA-VAZQUEZ, EVA</creatorcontrib><collection>Istex</collection><collection>Aqualine</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Freshwater biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HORREO, JOSE L.</au><au>MARTINEZ, JOSE L.</au><au>AYLLON, FERNANDO</au><au>POLA, IVAN G.</au><au>MONTEOLIVA, JOSE A.</au><au>HÉLAND, MICHEL</au><au>GARCIA-VAZQUEZ, EVA</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Impact of habitat fragmentation on the genetics of populations in dendritic landscapes</atitle><jtitle>Freshwater biology</jtitle><date>2011-12</date><risdate>2011</risdate><volume>56</volume><issue>12</issue><spage>2567</spage><epage>2579</epage><pages>2567-2579</pages><issn>0046-5070</issn><eissn>1365-2427</eissn><abstract>Summary
1. The effect of habitat fragmentation on freshwater species has been addressed using brown trout Salmo trutta L. as a model species with a dendritic population structure.
2. Microsatellite loci were employed as molecular markers. Levels of gene flow and population subdivision were determined in more than 1200 brown trout individuals inhabiting four south European rivers with contrasting patterns of fragmentation, defined by the presence of barriers.
3. The genetic units in the four rivers were restricted by artificial barriers, and gene flow among samples within each river was associated with the level of fragmentation of the river.
4. Loss of genetic diversity and dislocation of the dendritic model have been detected in fragmented rivers. These results emphasise the importance of mitigating the impact of dams by constructing passages to restore gene flow along the river, for fish and other migratory species, as well as the need for caution in relation to stocking in isolated areas to avoid problems of inbreeding.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/j.1365-2427.2011.02682.x</doi><tpages>13</tpages></addata></record> |
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| ispartof | Freshwater biology, 2011-12, Vol.56 (12), p.2567-2579 |
| issn | 0046-5070 1365-2427 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Agricultural sciences Fish Freshwater gene flow Genetic diversity genetic impact habitat fragmentation Life Sciences population structure Rivers Salmo trutta Salmo trutta L |
| title | Impact of habitat fragmentation on the genetics of populations in dendritic landscapes |
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