Effects of Corridors on Genetics of a Butterfly in a Landscape Experiment
To investigate the possible role of landscape connectivity on the genetic structure of isolated populations, we examined the effects of habitat corridors on the population genetics of a vagile butterfly species, Junonia coenia, within a large-scale, experimental system. Using allozyme electrophoresi...
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| Veröffentlicht in: | Southeastern naturalist (Steuben, Me.) Me.), 2009-12, Vol.8 (4), p.709-722 |
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| creator | Wells, Carrie N. Williams, Ray S. Walker, Gary L. Haddad, Nick M. |
| description | To investigate the possible role of landscape connectivity on the genetic structure of isolated populations, we examined the effects of habitat corridors on the population genetics of a vagile butterfly species, Junonia coenia, within a large-scale, experimental system. Using allozyme electrophoresis, a total of nine loci were identified and scored, six of which exhibited polymorphism. Our data demonstrated consistently higher levels of expected (He) and observed (Ho) heterozygosity in butterflies sampled from patches connected by corridors compared to unconnected patches. A t-test comparing He and H0 in connected versus unconnected patches found a marginally significant difference in one locus, the glycolytic enzyme phosphoglucose isomerase (PGI). Connected patches exhibited overall lower FST values compared to unconnected patches, indicating potentially increased levels of gene flow due to corridors. Our results support previous investigations on dispersal and population size for J. coenia, and show that higher dispersal through corridors promotes genetic variability at a locus (PGI) implicated in dispersal and fitness in butterflies. |
| doi_str_mv | 10.1656/058.008.0412 |
| format | Article |
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Our results support previous investigations on dispersal and population size for J. coenia, and show that higher dispersal through corridors promotes genetic variability at a locus (PGI) implicated in dispersal and fitness in butterflies.</description><subject>Butterflies</subject><subject>Coenia</subject><subject>Conservation biology</subject><subject>Ecological genetics</subject><subject>Gene flow</subject><subject>Genetic loci</subject><subject>Genetic structures</subject><subject>Genetic variation</subject><subject>Habitat conservation</subject><subject>Habitat corridors</subject><subject>Junonia coenia</subject><subject>Population genetics</subject><issn>1528-7092</issn><issn>1938-5412</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqNkM1LAzEQxYMoWKs3r8LeBHFrvjc5aqm1UPCi5yWfsGW7qUkK9r83dcWjeBhmHu_HMPMAuEZwhjjjD5CJGYSlKMInYIIkETUr82mZGRZ1AyU-BxcpbSBEHCMxAauF987kVAVfzUOMnQ2xiKFausHlznwbqnra5-yi7w9VNxS5VoNNRu1ctfjcudht3ZAvwZlXfXJXP30K3p8Xb_OXev26XM0f17UmjOcaC2uYVZZzXi6T0kqCFIcOaqR1I6VoqMBaI9t4qQXBxkKqnSEMUeuN52QKbse9uxg-9i7ldtsl4_peDS7sUysYoYJhDP9BItpgQmkh70fSxJBSdL7dladUPLQItsdo2xJtW6Jtj9EW_GbENymH-MtixqQknBX_bvR1F8Lg_l72BY-ggKM</recordid><startdate>200912</startdate><enddate>200912</enddate><creator>Wells, Carrie N.</creator><creator>Williams, Ray S.</creator><creator>Walker, Gary L.</creator><creator>Haddad, Nick M.</creator><general>Humboldt Field Research Institute</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7ST</scope><scope>7U6</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope></search><sort><creationdate>200912</creationdate><title>Effects of Corridors on Genetics of a Butterfly in a Landscape Experiment</title><author>Wells, Carrie N. ; Williams, Ray S. ; Walker, Gary L. ; Haddad, Nick M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b356t-28dc5dad66641299d931a60e0b1bb79987482bb1d7f9b832cd04bec3514dfcf63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Butterflies</topic><topic>Coenia</topic><topic>Conservation biology</topic><topic>Ecological genetics</topic><topic>Gene flow</topic><topic>Genetic loci</topic><topic>Genetic structures</topic><topic>Genetic variation</topic><topic>Habitat conservation</topic><topic>Habitat corridors</topic><topic>Junonia coenia</topic><topic>Population genetics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wells, Carrie N.</creatorcontrib><creatorcontrib>Williams, Ray S.</creatorcontrib><creatorcontrib>Walker, Gary L.</creatorcontrib><creatorcontrib>Haddad, Nick M.</creatorcontrib><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Sustainability Science Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><jtitle>Southeastern naturalist (Steuben, Me.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wells, Carrie N.</au><au>Williams, Ray S.</au><au>Walker, Gary L.</au><au>Haddad, Nick M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Corridors on Genetics of a Butterfly in a Landscape Experiment</atitle><jtitle>Southeastern naturalist (Steuben, Me.)</jtitle><date>2009-12</date><risdate>2009</risdate><volume>8</volume><issue>4</issue><spage>709</spage><epage>722</epage><pages>709-722</pages><issn>1528-7092</issn><eissn>1938-5412</eissn><abstract>To investigate the possible role of landscape connectivity on the genetic structure of isolated populations, we examined the effects of habitat corridors on the population genetics of a vagile butterfly species, Junonia coenia, within a large-scale, experimental system. 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| ispartof | Southeastern naturalist (Steuben, Me.), 2009-12, Vol.8 (4), p.709-722 |
| issn | 1528-7092 1938-5412 |
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| source | BioOne Complete; JSTOR |
| subjects | Butterflies Coenia Conservation biology Ecological genetics Gene flow Genetic loci Genetic structures Genetic variation Habitat conservation Habitat corridors Junonia coenia Population genetics |
| title | Effects of Corridors on Genetics of a Butterfly in a Landscape Experiment |
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