Clonal Growth and Ramet Performance in the Woodland Herb, Asarum Canadense
1 We report the results from a 7-year study on the patterns of reproduction and vegetative spread of Asarum canadense, conducted in replicate plots located in the understorey of early and late successional forest. 2 We recorded the spatial location, size, demographic performance and clonal fragment...
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Veröffentlicht in: | The Journal of ecology 1997-12, Vol.85 (6), p.883-897 |
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description | 1 We report the results from a 7-year study on the patterns of reproduction and vegetative spread of Asarum canadense, conducted in replicate plots located in the understorey of early and late successional forest. 2 We recorded the spatial location, size, demographic performance and clonal fragment identity of all A. canadense ramets in our plots, as well as the position and fate of seedling recuits. We also collected detailed morphological data on patterns of clonal growth. 3 Recently germinated plants and the much larger, clonally produced daughter ramets had equal survivorship. Size also had little impact on rhizome production. Within sets of genetically identical ramets, flowering ramets were larger than non-flowering ramets. When there was an effect of habitat, ramets performed best in late successional forest. 4 Neither sexual nor asexual reproduction decreased the future performance of a ramet. Having connections to other ramets had little effect on survivorship or rhizome production, but often was associated with an increased probability of flowering. Clones with more ramets outperformed smaller clones and spread the risk of genet mortality. 5 Rhizome lengths were shorter in the high light, early successional forest, but no other clonal growth parameters differed between habitats. Empirically calibrated simulation and diffusion models indicated that the between-habitat differences in rhizome length were not great enough to affect the long-term expansion of clones. 6 Diffusion coefficients for the long-term spread by clonal growth or seed dispersal were compared for a number of species. Diffusion model results indicated that plants can disperse as far by clonal growth as they do by seed, although the values for A. canadense were 14 and 8895 cm2year-1, respectively. 7 Asarum canadense appears to be under unusually strong selection for seedling survival. As has been observed for some other clonal plant species, few costs were found for either sexual or asexual reproduction. |
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We also collected detailed morphological data on patterns of clonal growth. 3 Recently germinated plants and the much larger, clonally produced daughter ramets had equal survivorship. Size also had little impact on rhizome production. Within sets of genetically identical ramets, flowering ramets were larger than non-flowering ramets. When there was an effect of habitat, ramets performed best in late successional forest. 4 Neither sexual nor asexual reproduction decreased the future performance of a ramet. Having connections to other ramets had little effect on survivorship or rhizome production, but often was associated with an increased probability of flowering. Clones with more ramets outperformed smaller clones and spread the risk of genet mortality. 5 Rhizome lengths were shorter in the high light, early successional forest, but no other clonal growth parameters differed between habitats. Empirically calibrated simulation and diffusion models indicated that the between-habitat differences in rhizome length were not great enough to affect the long-term expansion of clones. 6 Diffusion coefficients for the long-term spread by clonal growth or seed dispersal were compared for a number of species. Diffusion model results indicated that plants can disperse as far by clonal growth as they do by seed, although the values for A. canadense were 14 and 8895 cm2year-1, respectively. 7 Asarum canadense appears to be under unusually strong selection for seedling survival. As has been observed for some other clonal plant species, few costs were found for either sexual or asexual reproduction.</description><identifier>ISSN: 0022-0477</identifier><identifier>EISSN: 1365-2745</identifier><identifier>DOI: 10.2307/2960609</identifier><identifier>CODEN: JECOAB</identifier><language>eng</language><publisher>Oxford: British Ecological Society</publisher><subject>Ecological genetics ; Ecological life histories ; Ecology ; Forest ecology ; Forest habitats ; Forest succession ; Forests ; Herbs ; Human ecology ; Modeling ; Plant growth ; Plant reproduction ; Plants ; Rhizomes</subject><ispartof>The Journal of ecology, 1997-12, Vol.85 (6), p.883-897</ispartof><rights>Copyright 1997 British Ecological Society</rights><rights>Copyright Blackwell Science Ltd. Dec 1997</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c376t-538bdae95160bccaeb3e394cc083c925be5a1cfbf8a13b9db7261e8fbe7b8d3e3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/2960609$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/2960609$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,27924,27925,58017,58250</link.rule.ids></links><search><creatorcontrib>Cain, Michael L.</creatorcontrib><creatorcontrib>Damman, Hans</creatorcontrib><title>Clonal Growth and Ramet Performance in the Woodland Herb, Asarum Canadense</title><title>The Journal of ecology</title><description>1 We report the results from a 7-year study on the patterns of reproduction and vegetative spread of Asarum canadense, conducted in replicate plots located in the understorey of early and late successional forest. 2 We recorded the spatial location, size, demographic performance and clonal fragment identity of all A. canadense ramets in our plots, as well as the position and fate of seedling recuits. We also collected detailed morphological data on patterns of clonal growth. 3 Recently germinated plants and the much larger, clonally produced daughter ramets had equal survivorship. Size also had little impact on rhizome production. Within sets of genetically identical ramets, flowering ramets were larger than non-flowering ramets. When there was an effect of habitat, ramets performed best in late successional forest. 4 Neither sexual nor asexual reproduction decreased the future performance of a ramet. Having connections to other ramets had little effect on survivorship or rhizome production, but often was associated with an increased probability of flowering. Clones with more ramets outperformed smaller clones and spread the risk of genet mortality. 5 Rhizome lengths were shorter in the high light, early successional forest, but no other clonal growth parameters differed between habitats. Empirically calibrated simulation and diffusion models indicated that the between-habitat differences in rhizome length were not great enough to affect the long-term expansion of clones. 6 Diffusion coefficients for the long-term spread by clonal growth or seed dispersal were compared for a number of species. Diffusion model results indicated that plants can disperse as far by clonal growth as they do by seed, although the values for A. canadense were 14 and 8895 cm2year-1, respectively. 7 Asarum canadense appears to be under unusually strong selection for seedling survival. As has been observed for some other clonal plant species, few costs were found for either sexual or asexual reproduction.</description><subject>Ecological genetics</subject><subject>Ecological life histories</subject><subject>Ecology</subject><subject>Forest ecology</subject><subject>Forest habitats</subject><subject>Forest succession</subject><subject>Forests</subject><subject>Herbs</subject><subject>Human ecology</subject><subject>Modeling</subject><subject>Plant growth</subject><subject>Plant reproduction</subject><subject>Plants</subject><subject>Rhizomes</subject><issn>0022-0477</issn><issn>1365-2745</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNp10FFLwzAQwPEgCs4pfoUgoi9WL8maNI-jzE0ZKKL4WJL0yjbaZiYt4re3Y3sSfLqXH8fdn5BLBvdcgHrgWoIEfURGTMg04WqSHpMRAOcJTJQ6JWcxbgBAqhRG5DmvfWtqOg_-u1tR05b0zTTY0VcMlQ-NaR3SdUu7FdJP78t6JxYY7B2dRhP6huamNSW2Ec_JSWXqiBeHOSYfj7P3fJEsX-ZP-XSZOKFkl6Qis6VBnTIJ1jmDVqDQE-cgE07z1GJqmKtslRkmrC6t4pJhVllUNisHOyY3-73b4L96jF3RrKPDejgNfR8LJoUYIsgBXv2BG9-H4dtYcMgyrblgA7rdIxd8jAGrYhvWjQk_BYNiF7Q4BB3k9V5uYufDv-wXrw1yMA</recordid><startdate>19971201</startdate><enddate>19971201</enddate><creator>Cain, Michael L.</creator><creator>Damman, Hans</creator><general>British Ecological Society</general><general>Blackwell Publishing Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>SOI</scope></search><sort><creationdate>19971201</creationdate><title>Clonal Growth and Ramet Performance in the Woodland Herb, Asarum Canadense</title><author>Cain, Michael L. ; Damman, Hans</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c376t-538bdae95160bccaeb3e394cc083c925be5a1cfbf8a13b9db7261e8fbe7b8d3e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Ecological genetics</topic><topic>Ecological life histories</topic><topic>Ecology</topic><topic>Forest ecology</topic><topic>Forest habitats</topic><topic>Forest succession</topic><topic>Forests</topic><topic>Herbs</topic><topic>Human ecology</topic><topic>Modeling</topic><topic>Plant growth</topic><topic>Plant reproduction</topic><topic>Plants</topic><topic>Rhizomes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cain, Michael L.</creatorcontrib><creatorcontrib>Damman, Hans</creatorcontrib><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</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>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><jtitle>The Journal of ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cain, Michael L.</au><au>Damman, Hans</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Clonal Growth and Ramet Performance in the Woodland Herb, Asarum Canadense</atitle><jtitle>The Journal of ecology</jtitle><date>1997-12-01</date><risdate>1997</risdate><volume>85</volume><issue>6</issue><spage>883</spage><epage>897</epage><pages>883-897</pages><issn>0022-0477</issn><eissn>1365-2745</eissn><coden>JECOAB</coden><abstract>1 We report the results from a 7-year study on the patterns of reproduction and vegetative spread of Asarum canadense, conducted in replicate plots located in the understorey of early and late successional forest. 2 We recorded the spatial location, size, demographic performance and clonal fragment identity of all A. canadense ramets in our plots, as well as the position and fate of seedling recuits. We also collected detailed morphological data on patterns of clonal growth. 3 Recently germinated plants and the much larger, clonally produced daughter ramets had equal survivorship. Size also had little impact on rhizome production. Within sets of genetically identical ramets, flowering ramets were larger than non-flowering ramets. When there was an effect of habitat, ramets performed best in late successional forest. 4 Neither sexual nor asexual reproduction decreased the future performance of a ramet. Having connections to other ramets had little effect on survivorship or rhizome production, but often was associated with an increased probability of flowering. Clones with more ramets outperformed smaller clones and spread the risk of genet mortality. 5 Rhizome lengths were shorter in the high light, early successional forest, but no other clonal growth parameters differed between habitats. Empirically calibrated simulation and diffusion models indicated that the between-habitat differences in rhizome length were not great enough to affect the long-term expansion of clones. 6 Diffusion coefficients for the long-term spread by clonal growth or seed dispersal were compared for a number of species. Diffusion model results indicated that plants can disperse as far by clonal growth as they do by seed, although the values for A. canadense were 14 and 8895 cm2year-1, respectively. 7 Asarum canadense appears to be under unusually strong selection for seedling survival. As has been observed for some other clonal plant species, few costs were found for either sexual or asexual reproduction.</abstract><cop>Oxford</cop><pub>British Ecological Society</pub><doi>10.2307/2960609</doi><tpages>15</tpages></addata></record> |
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subjects | Ecological genetics Ecological life histories Ecology Forest ecology Forest habitats Forest succession Forests Herbs Human ecology Modeling Plant growth Plant reproduction Plants Rhizomes |
title | Clonal Growth and Ramet Performance in the Woodland Herb, Asarum Canadense |
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