Dispersal phenology of hydrochorous plants in relation to discharge, seed release time and buoyancy of seeds: the flood pulse concept supported
1. Restored floodplains and backwaters lacking a viable propagule bank, may need flood pulses to facilitate inward dispersal of diaspores. Temporal patterns of hydrochorous plant dispersal are, however, not well known. 2. Diversity and abundance of diaspores dispersed in a water body over 12 months...
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| Veröffentlicht in: | The Journal of ecology 2004-10, Vol.92 (5), p.786-796 |
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| container_title | The Journal of ecology |
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| creator | Boedeltje, G Bakker, J.P Brinke, A.T Groenendael, J.M. van Soesbergen, M |
| description | 1. Restored floodplains and backwaters lacking a viable propagule bank, may need flood pulses to facilitate inward dispersal of diaspores. Temporal patterns of hydrochorous plant dispersal are, however, not well known. 2. Diversity and abundance of diaspores dispersed in a water body over 12 months were quantified using a 200 micrometer net in order to: (i) test for a relationship between discharge and the number of species and diaspores dispersed; (ii) examine the effect of seed buoyancy and seed release period on the length of the dispersal period; and (iii) test whether diaspores of species that disperse during a similar period of the year are characterized by similar dispersal and dormancy traits. 3. A total 359 188 individuals of 174 vascular species developed from 144 samples, with most (90%) from vegetative diaspores and only 10% from seeds. Mean number of species and diaspores varied between months in parallel with discharge levels. Stepwise multiple regression analysis showed that both seed buoyancy and seed release influenced dispersal periods. 4. In general, species that dispersed most diaspores in spring and summer had non-dormant seeds, a shorter seed release period and a shorter seed dispersal period than species whose dormant seeds dispersed in autumn and winter. Vegetative diaspores were dispersed on average over 8 months, indicating their importance to long-distance dispersal. Several species dispersed both generative and vegetative diaspores, often in different seasons. 5. Our results may assist the planning of regenerative processes in riverine wetlands at landscape scales, as dispersal phenology, and discharge rates must be taken into consideration. Vegetative diaspores may be more important than seeds, although the latter may extend the species dispersal period into other seasons. Temporal heterogeneity in diaspore dispersal influences the identity of diaspores reaching restored habitats. |
| doi_str_mv | 10.1111/j.0022-0477.2004.00906.x |
| format | Article |
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Restored floodplains and backwaters lacking a viable propagule bank, may need flood pulses to facilitate inward dispersal of diaspores. Temporal patterns of hydrochorous plant dispersal are, however, not well known. 2. Diversity and abundance of diaspores dispersed in a water body over 12 months were quantified using a 200 micrometer net in order to: (i) test for a relationship between discharge and the number of species and diaspores dispersed; (ii) examine the effect of seed buoyancy and seed release period on the length of the dispersal period; and (iii) test whether diaspores of species that disperse during a similar period of the year are characterized by similar dispersal and dormancy traits. 3. A total 359 188 individuals of 174 vascular species developed from 144 samples, with most (90%) from vegetative diaspores and only 10% from seeds. Mean number of species and diaspores varied between months in parallel with discharge levels. Stepwise multiple regression analysis showed that both seed buoyancy and seed release influenced dispersal periods. 4. In general, species that dispersed most diaspores in spring and summer had non-dormant seeds, a shorter seed release period and a shorter seed dispersal period than species whose dormant seeds dispersed in autumn and winter. Vegetative diaspores were dispersed on average over 8 months, indicating their importance to long-distance dispersal. Several species dispersed both generative and vegetative diaspores, often in different seasons. 5. Our results may assist the planning of regenerative processes in riverine wetlands at landscape scales, as dispersal phenology, and discharge rates must be taken into consideration. Vegetative diaspores may be more important than seeds, although the latter may extend the species dispersal period into other seasons. Temporal heterogeneity in diaspore dispersal influences the identity of diaspores reaching restored habitats.</description><identifier>ISSN: 0022-0477</identifier><identifier>EISSN: 1365-2745</identifier><identifier>DOI: 10.1111/j.0022-0477.2004.00906.x</identifier><identifier>CODEN: JECOAB</identifier><language>eng</language><publisher>Oxford, UK: British Ecological Society</publisher><subject>Animal and plant ecology ; Animal, plant and microbial ecology ; Biological and medical sciences ; Buoyancy ; Canals ; Dispersal ; Dormancy ; ecological restoration ; Floods ; flow pulse ; Flowers & plants ; Freshwater ; Freshwater ecology ; Fundamental and applied biological sciences. Psychology ; General aspects ; Human ecology ; hydrochory ; hydrologic factors ; Plants ; polychory ; Restoration ecology ; river restoration ; riverine habitat ; Rivers ; seed buoyancy ; seed dispersal ; seed dormancy ; Seeds ; Species ; statistical analysis ; temporal dispersal ; temporal variation ; vegetative dispersal ; Wetland ecology ; wetland restoration ; Wetlands</subject><ispartof>The Journal of ecology, 2004-10, Vol.92 (5), p.786-796</ispartof><rights>Copyright 2004 British Ecological Society</rights><rights>2004 INIST-CNRS</rights><rights>Copyright Blackwell Science Ltd. 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Restored floodplains and backwaters lacking a viable propagule bank, may need flood pulses to facilitate inward dispersal of diaspores. Temporal patterns of hydrochorous plant dispersal are, however, not well known. 2. Diversity and abundance of diaspores dispersed in a water body over 12 months were quantified using a 200 micrometer net in order to: (i) test for a relationship between discharge and the number of species and diaspores dispersed; (ii) examine the effect of seed buoyancy and seed release period on the length of the dispersal period; and (iii) test whether diaspores of species that disperse during a similar period of the year are characterized by similar dispersal and dormancy traits. 3. A total 359 188 individuals of 174 vascular species developed from 144 samples, with most (90%) from vegetative diaspores and only 10% from seeds. Mean number of species and diaspores varied between months in parallel with discharge levels. Stepwise multiple regression analysis showed that both seed buoyancy and seed release influenced dispersal periods. 4. In general, species that dispersed most diaspores in spring and summer had non-dormant seeds, a shorter seed release period and a shorter seed dispersal period than species whose dormant seeds dispersed in autumn and winter. Vegetative diaspores were dispersed on average over 8 months, indicating their importance to long-distance dispersal. Several species dispersed both generative and vegetative diaspores, often in different seasons. 5. Our results may assist the planning of regenerative processes in riverine wetlands at landscape scales, as dispersal phenology, and discharge rates must be taken into consideration. Vegetative diaspores may be more important than seeds, although the latter may extend the species dispersal period into other seasons. Temporal heterogeneity in diaspore dispersal influences the identity of diaspores reaching restored habitats.</description><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Biological and medical sciences</subject><subject>Buoyancy</subject><subject>Canals</subject><subject>Dispersal</subject><subject>Dormancy</subject><subject>ecological restoration</subject><subject>Floods</subject><subject>flow pulse</subject><subject>Flowers & plants</subject><subject>Freshwater</subject><subject>Freshwater ecology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>Human ecology</subject><subject>hydrochory</subject><subject>hydrologic factors</subject><subject>Plants</subject><subject>polychory</subject><subject>Restoration ecology</subject><subject>river restoration</subject><subject>riverine habitat</subject><subject>Rivers</subject><subject>seed buoyancy</subject><subject>seed dispersal</subject><subject>seed dormancy</subject><subject>Seeds</subject><subject>Species</subject><subject>statistical analysis</subject><subject>temporal dispersal</subject><subject>temporal variation</subject><subject>vegetative dispersal</subject><subject>Wetland ecology</subject><subject>wetland restoration</subject><subject>Wetlands</subject><issn>0022-0477</issn><issn>1365-2745</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNqNkc1u1DAUhSMEEkPhDZCwkGDVDNd_8QSxQUP5UyUW0LXlONeTjDJxsBPRPAWvXKepisQGvLGt-50jH58sIxS2NK03xy0AYzkIpbYMQKRrCcX2-kG2obyQOVNCPsw299Dj7EmMRwAolIRN9vtDGwcM0XRkaLD3nT_MxDvSzHXwtvHBT5EMnenHSNqeBOzM2PqejJ7UbbSNCQc8JxGxXmZoIpKxPSExfU2qyc-mt7d-CxHfkrFB4jrvazJMXWKt7y0OI4nTMPgwYv00e-RMmjy728-yq48XP_af88tvn77s31_mVqZ4uaDIK0DmeAFCSOTSWc6FFQBOgDKUKax2FqRyzkpZgSuoZRwZOuZUJfhZ9nr1HYL_OWEc9SnFwS4lxRRZU1VQoBz-DQpFGUiewJd_gUc_hT6F0Ax2JS0VW9x2K2SDjzGg00NoTybMmoJe-tRHvVSll6r00qe-7VNfJ-mrO38TrelcSF_bxj_6glIpxZLs3cr9ajuc_9tff73Yp0OSP1_lxzj6cC_nsiy5Umn8Yh0747U5hPSCq-9s-SkopSw45ze5C8b5</recordid><startdate>200410</startdate><enddate>200410</enddate><creator>Boedeltje, G</creator><creator>Bakker, J.P</creator><creator>Brinke, A.T</creator><creator>Groenendael, J.M. van</creator><creator>Soesbergen, M</creator><general>British Ecological Society</general><general>Blackwell Science Ltd</general><general>Blackwell Science</general><general>Blackwell Publishing Ltd</general><scope>FBQ</scope><scope>IQODW</scope><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>200410</creationdate><title>Dispersal phenology of hydrochorous plants in relation to discharge, seed release time and buoyancy of seeds: the flood pulse concept supported</title><author>Boedeltje, G ; Bakker, J.P ; Brinke, A.T ; Groenendael, J.M. van ; Soesbergen, M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5906-41e3b0e2f360445e35fc334c400f407a127eb8c057ffc55b0f61c23e2ef2f7b43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Biological and medical sciences</topic><topic>Buoyancy</topic><topic>Canals</topic><topic>Dispersal</topic><topic>Dormancy</topic><topic>ecological restoration</topic><topic>Floods</topic><topic>flow pulse</topic><topic>Flowers & plants</topic><topic>Freshwater</topic><topic>Freshwater ecology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General aspects</topic><topic>Human ecology</topic><topic>hydrochory</topic><topic>hydrologic factors</topic><topic>Plants</topic><topic>polychory</topic><topic>Restoration ecology</topic><topic>river restoration</topic><topic>riverine habitat</topic><topic>Rivers</topic><topic>seed buoyancy</topic><topic>seed dispersal</topic><topic>seed dormancy</topic><topic>Seeds</topic><topic>Species</topic><topic>statistical analysis</topic><topic>temporal dispersal</topic><topic>temporal variation</topic><topic>vegetative dispersal</topic><topic>Wetland ecology</topic><topic>wetland restoration</topic><topic>Wetlands</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Boedeltje, G</creatorcontrib><creatorcontrib>Bakker, J.P</creatorcontrib><creatorcontrib>Brinke, A.T</creatorcontrib><creatorcontrib>Groenendael, J.M. van</creatorcontrib><creatorcontrib>Soesbergen, M</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><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>Boedeltje, G</au><au>Bakker, J.P</au><au>Brinke, A.T</au><au>Groenendael, J.M. van</au><au>Soesbergen, M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dispersal phenology of hydrochorous plants in relation to discharge, seed release time and buoyancy of seeds: the flood pulse concept supported</atitle><jtitle>The Journal of ecology</jtitle><date>2004-10</date><risdate>2004</risdate><volume>92</volume><issue>5</issue><spage>786</spage><epage>796</epage><pages>786-796</pages><issn>0022-0477</issn><eissn>1365-2745</eissn><coden>JECOAB</coden><abstract>1. Restored floodplains and backwaters lacking a viable propagule bank, may need flood pulses to facilitate inward dispersal of diaspores. Temporal patterns of hydrochorous plant dispersal are, however, not well known. 2. Diversity and abundance of diaspores dispersed in a water body over 12 months were quantified using a 200 micrometer net in order to: (i) test for a relationship between discharge and the number of species and diaspores dispersed; (ii) examine the effect of seed buoyancy and seed release period on the length of the dispersal period; and (iii) test whether diaspores of species that disperse during a similar period of the year are characterized by similar dispersal and dormancy traits. 3. A total 359 188 individuals of 174 vascular species developed from 144 samples, with most (90%) from vegetative diaspores and only 10% from seeds. Mean number of species and diaspores varied between months in parallel with discharge levels. Stepwise multiple regression analysis showed that both seed buoyancy and seed release influenced dispersal periods. 4. In general, species that dispersed most diaspores in spring and summer had non-dormant seeds, a shorter seed release period and a shorter seed dispersal period than species whose dormant seeds dispersed in autumn and winter. Vegetative diaspores were dispersed on average over 8 months, indicating their importance to long-distance dispersal. Several species dispersed both generative and vegetative diaspores, often in different seasons. 5. Our results may assist the planning of regenerative processes in riverine wetlands at landscape scales, as dispersal phenology, and discharge rates must be taken into consideration. Vegetative diaspores may be more important than seeds, although the latter may extend the species dispersal period into other seasons. Temporal heterogeneity in diaspore dispersal influences the identity of diaspores reaching restored habitats.</abstract><cop>Oxford, UK</cop><pub>British Ecological Society</pub><doi>10.1111/j.0022-0477.2004.00906.x</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | The Journal of ecology, 2004-10, Vol.92 (5), p.786-796 |
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| source | Jstor Complete Legacy; Wiley Free Content; Wiley Online Library Journals Frontfile Complete; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Animal and plant ecology Animal, plant and microbial ecology Biological and medical sciences Buoyancy Canals Dispersal Dormancy ecological restoration Floods flow pulse Flowers & plants Freshwater Freshwater ecology Fundamental and applied biological sciences. Psychology General aspects Human ecology hydrochory hydrologic factors Plants polychory Restoration ecology river restoration riverine habitat Rivers seed buoyancy seed dispersal seed dormancy Seeds Species statistical analysis temporal dispersal temporal variation vegetative dispersal Wetland ecology wetland restoration Wetlands |
| title | Dispersal phenology of hydrochorous plants in relation to discharge, seed release time and buoyancy of seeds: the flood pulse concept supported |
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