Linking Direct and Indirect Data on Dispersal: Isolation by Slope in a Headwater Stream Salamander
There is growing recognition of the need to incorporate information on movement behavior in landscape-scale studies of dispersal. One way to do this is by using indirect indices of dispersal (e.g., genetic differentiation) to test predictions derived from direct data on movement behavior. Mark-recap...
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Veröffentlicht in: | Ecology (Durham) 2006-02, Vol.87 (2), p.334-339 |
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description | There is growing recognition of the need to incorporate information on movement behavior in landscape-scale studies of dispersal. One way to do this is by using indirect indices of dispersal (e.g., genetic differentiation) to test predictions derived from direct data on movement behavior. Mark-recapture studies documented upstream-biased movement in the salamander Gyrinophilus porphyriticus (Plethodontidae). Based on this information, we hypothesized that gene flow in G. porphyriticus is affected by the slope of the stream. Specifically, because the energy required for upstream dispersal is positively related to slope, we predicted gene flow to be negatively related to change in elevation between sampling sites. Using amplified DNA fragment length polymorphisms among tissue samples from paired sites in nine streams in the Hubbard Brook Watershed, New Hampshire, USA, we found that genetic distances between downstream and upstream sites were positively related to change in elevation over standardized 1-km distances. This pattern of isolation by slope elucidates controls on population connectivity in stream networks and underscores the potential for specific behaviors to affect the genetic structure of species at the landscape scale. More broadly, our results show the value of combining direct data on movement behavior and indirect indices to assess patterns and consequences of dispersal in spatially complex ecosystems. |
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One way to do this is by using indirect indices of dispersal (e.g., genetic differentiation) to test predictions derived from direct data on movement behavior. Mark-recapture studies documented upstream-biased movement in the salamander Gyrinophilus porphyriticus (Plethodontidae). Based on this information, we hypothesized that gene flow in G. porphyriticus is affected by the slope of the stream. Specifically, because the energy required for upstream dispersal is positively related to slope, we predicted gene flow to be negatively related to change in elevation between sampling sites. Using amplified DNA fragment length polymorphisms among tissue samples from paired sites in nine streams in the Hubbard Brook Watershed, New Hampshire, USA, we found that genetic distances between downstream and upstream sites were positively related to change in elevation over standardized 1-km distances. This pattern of isolation by slope elucidates controls on population connectivity in stream networks and underscores the potential for specific behaviors to affect the genetic structure of species at the landscape scale. More broadly, our results show the value of combining direct data on movement behavior and indirect indices to assess patterns and consequences of dispersal in spatially complex ecosystems.</description><identifier>ISSN: 0012-9658</identifier><identifier>EISSN: 1939-9170</identifier><identifier>DOI: 10.1890/05-0232</identifier><identifier>PMID: 16637359</identifier><identifier>CODEN: ECGYAQ</identifier><language>eng</language><publisher>Washington, DC: Ecological Society of America</publisher><subject>Amphibia and reptilia ; amphibian ; amplified fragment length polymorphism ; Animal and plant ecology ; Animal ethology ; Animal, plant and microbial ecology ; Animals ; Autoecology ; behavior ; Biological and medical sciences ; Caudata ; Creeks ; Data analysis ; Dispersal ; Ecological genetics ; Ecology ; Ecosystems ; evolution ; Evolutionary genetics ; Fresh Water ; Freshwater ; Fundamental and applied biological sciences. Psychology ; Gene flow ; Genes ; Genetic Variation ; Gyrinophilus porphyriticus ; headwater streams ; Hubbard Brook ; Landscape ecology ; movement ; Plethodontidae ; Polymorphism, Restriction Fragment Length ; Population genetics ; Psychology. Psychoanalysis. Psychiatry ; Reptiles & amphibians ; Reptilia. Amphibia ; salamander ; Salamanders ; Streams ; Topographical elevation ; Urodela - genetics ; Urodela - physiology ; Vertebrata</subject><ispartof>Ecology (Durham), 2006-02, Vol.87 (2), p.334-339</ispartof><rights>Copyright 2006 Ecological Society of America</rights><rights>2006 by the Ecological Society of America</rights><rights>2006 INIST-CNRS</rights><rights>Copyright Ecological Society of America Feb 2006</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/20068948$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/20068948$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,1417,27924,27925,45574,45575,58017,58250</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17596513$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16637359$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lowe, Winsor H.</creatorcontrib><creatorcontrib>Likens, Gene E.</creatorcontrib><creatorcontrib>McPeek, Mark A.</creatorcontrib><creatorcontrib>Buso, Don C.</creatorcontrib><title>Linking Direct and Indirect Data on Dispersal: Isolation by Slope in a Headwater Stream Salamander</title><title>Ecology (Durham)</title><addtitle>Ecology</addtitle><description>There is growing recognition of the need to incorporate information on movement behavior in landscape-scale studies of dispersal. One way to do this is by using indirect indices of dispersal (e.g., genetic differentiation) to test predictions derived from direct data on movement behavior. Mark-recapture studies documented upstream-biased movement in the salamander Gyrinophilus porphyriticus (Plethodontidae). Based on this information, we hypothesized that gene flow in G. porphyriticus is affected by the slope of the stream. Specifically, because the energy required for upstream dispersal is positively related to slope, we predicted gene flow to be negatively related to change in elevation between sampling sites. Using amplified DNA fragment length polymorphisms among tissue samples from paired sites in nine streams in the Hubbard Brook Watershed, New Hampshire, USA, we found that genetic distances between downstream and upstream sites were positively related to change in elevation over standardized 1-km distances. This pattern of isolation by slope elucidates controls on population connectivity in stream networks and underscores the potential for specific behaviors to affect the genetic structure of species at the landscape scale. More broadly, our results show the value of combining direct data on movement behavior and indirect indices to assess patterns and consequences of dispersal in spatially complex ecosystems.</description><subject>Amphibia and reptilia</subject><subject>amphibian</subject><subject>amplified fragment length polymorphism</subject><subject>Animal and plant ecology</subject><subject>Animal ethology</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Autoecology</subject><subject>behavior</subject><subject>Biological and medical sciences</subject><subject>Caudata</subject><subject>Creeks</subject><subject>Data analysis</subject><subject>Dispersal</subject><subject>Ecological genetics</subject><subject>Ecology</subject><subject>Ecosystems</subject><subject>evolution</subject><subject>Evolutionary genetics</subject><subject>Fresh Water</subject><subject>Freshwater</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gene flow</subject><subject>Genes</subject><subject>Genetic Variation</subject><subject>Gyrinophilus porphyriticus</subject><subject>headwater streams</subject><subject>Hubbard Brook</subject><subject>Landscape ecology</subject><subject>movement</subject><subject>Plethodontidae</subject><subject>Polymorphism, Restriction Fragment Length</subject><subject>Population genetics</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Reptiles & amphibians</subject><subject>Reptilia. Amphibia</subject><subject>salamander</subject><subject>Salamanders</subject><subject>Streams</subject><subject>Topographical elevation</subject><subject>Urodela - genetics</subject><subject>Urodela - physiology</subject><subject>Vertebrata</subject><issn>0012-9658</issn><issn>1939-9170</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0cFuEzEQAFALgWgoiC8AWZXgtmVsr702N5S2NFKkHgIHTtbs2kEO3t1gb1Tl7-s0gUpc8MWy582M7CHkLYNLpg18AlkBF_wZmTEjTGVYA8_JDIDxyiipz8irnDdQFqv1S3LGlBKNkGZG2mUYfoXhJ70KyXcTxcHRxeCOhyuckI5DieWtTxnjZ7rIY8QplMt2T1dx3HoaBor01qO7x8knupqSx56uMGJfqvn0mrxYY8z-zWk_J99vrr_Nb6vl3dfF_Muy2gjF68px1WjJGdPKQ6u01FpICcIxrpAL4AyUUKh8x3zTOmy5q-tOonPGyZatxTn5eKy7TePvnc-T7UPufIw4-HGXrWoMCFWz_0JmaqEk5wVe_AM34y4N5RGWMwMchK4Len9Cu7b3zm5T6DHt7Z8_LuDDCWDuMK4TDl3IT66RZURMFMeP7j5Ev3-Kgz2M2IK0hxHb6_kPDqB0w4U4dH93TNrkaUx_kx6FqbV4AA4DnpE</recordid><startdate>200602</startdate><enddate>200602</enddate><creator>Lowe, Winsor H.</creator><creator>Likens, Gene E.</creator><creator>McPeek, Mark A.</creator><creator>Buso, Don C.</creator><general>Ecological Society of America</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7QG</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope><scope>RC3</scope><scope>SOI</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>7X8</scope></search><sort><creationdate>200602</creationdate><title>Linking Direct and Indirect Data on Dispersal: Isolation by Slope in a Headwater Stream Salamander</title><author>Lowe, Winsor H. ; Likens, Gene E. ; McPeek, Mark A. ; Buso, Don C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-j3624-d2678521186e0b6858835503d126a230210636a6ec1e7bdab2d44c5add9d5b1f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Amphibia and reptilia</topic><topic>amphibian</topic><topic>amplified fragment length polymorphism</topic><topic>Animal and plant ecology</topic><topic>Animal ethology</topic><topic>Animal, plant and microbial ecology</topic><topic>Animals</topic><topic>Autoecology</topic><topic>behavior</topic><topic>Biological and medical sciences</topic><topic>Caudata</topic><topic>Creeks</topic><topic>Data analysis</topic><topic>Dispersal</topic><topic>Ecological genetics</topic><topic>Ecology</topic><topic>Ecosystems</topic><topic>evolution</topic><topic>Evolutionary genetics</topic><topic>Fresh Water</topic><topic>Freshwater</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gene flow</topic><topic>Genes</topic><topic>Genetic Variation</topic><topic>Gyrinophilus porphyriticus</topic><topic>headwater streams</topic><topic>Hubbard Brook</topic><topic>Landscape ecology</topic><topic>movement</topic><topic>Plethodontidae</topic><topic>Polymorphism, Restriction Fragment Length</topic><topic>Population genetics</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>Reptiles & amphibians</topic><topic>Reptilia. Amphibia</topic><topic>salamander</topic><topic>Salamanders</topic><topic>Streams</topic><topic>Topographical elevation</topic><topic>Urodela - genetics</topic><topic>Urodela - physiology</topic><topic>Vertebrata</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lowe, Winsor H.</creatorcontrib><creatorcontrib>Likens, Gene E.</creatorcontrib><creatorcontrib>McPeek, Mark A.</creatorcontrib><creatorcontrib>Buso, Don C.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</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>MEDLINE - Academic</collection><jtitle>Ecology (Durham)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lowe, Winsor H.</au><au>Likens, Gene E.</au><au>McPeek, Mark A.</au><au>Buso, Don C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Linking Direct and Indirect Data on Dispersal: Isolation by Slope in a Headwater Stream Salamander</atitle><jtitle>Ecology (Durham)</jtitle><addtitle>Ecology</addtitle><date>2006-02</date><risdate>2006</risdate><volume>87</volume><issue>2</issue><spage>334</spage><epage>339</epage><pages>334-339</pages><issn>0012-9658</issn><eissn>1939-9170</eissn><coden>ECGYAQ</coden><abstract>There is growing recognition of the need to incorporate information on movement behavior in landscape-scale studies of dispersal. One way to do this is by using indirect indices of dispersal (e.g., genetic differentiation) to test predictions derived from direct data on movement behavior. Mark-recapture studies documented upstream-biased movement in the salamander Gyrinophilus porphyriticus (Plethodontidae). Based on this information, we hypothesized that gene flow in G. porphyriticus is affected by the slope of the stream. Specifically, because the energy required for upstream dispersal is positively related to slope, we predicted gene flow to be negatively related to change in elevation between sampling sites. Using amplified DNA fragment length polymorphisms among tissue samples from paired sites in nine streams in the Hubbard Brook Watershed, New Hampshire, USA, we found that genetic distances between downstream and upstream sites were positively related to change in elevation over standardized 1-km distances. This pattern of isolation by slope elucidates controls on population connectivity in stream networks and underscores the potential for specific behaviors to affect the genetic structure of species at the landscape scale. More broadly, our results show the value of combining direct data on movement behavior and indirect indices to assess patterns and consequences of dispersal in spatially complex ecosystems.</abstract><cop>Washington, DC</cop><pub>Ecological Society of America</pub><pmid>16637359</pmid><doi>10.1890/05-0232</doi><tpages>6</tpages></addata></record> |
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subjects | Amphibia and reptilia amphibian amplified fragment length polymorphism Animal and plant ecology Animal ethology Animal, plant and microbial ecology Animals Autoecology behavior Biological and medical sciences Caudata Creeks Data analysis Dispersal Ecological genetics Ecology Ecosystems evolution Evolutionary genetics Fresh Water Freshwater Fundamental and applied biological sciences. Psychology Gene flow Genes Genetic Variation Gyrinophilus porphyriticus headwater streams Hubbard Brook Landscape ecology movement Plethodontidae Polymorphism, Restriction Fragment Length Population genetics Psychology. Psychoanalysis. Psychiatry Reptiles & amphibians Reptilia. Amphibia salamander Salamanders Streams Topographical elevation Urodela - genetics Urodela - physiology Vertebrata |
title | Linking Direct and Indirect Data on Dispersal: Isolation by Slope in a Headwater Stream Salamander |
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