Plant dispersal by teal (Anas crecca) in the Camargue: duck guts are more important than their feet

12 páginas, 3 figuras, 4 tablas.

Detalles Bibliográficos
Autores: Guillemain, M., Fritz, H., Gauthier-Clerc, M., Green, Andy J.
Tipo de recurso: artículo
Fecha de publicación:2010
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/31373
Acceso en línea:http://hdl.handle.net/10261/31373
Access Level:acceso abierto
Palabra clave:Dispersal
Duck
Endozoochory
Exozoochory
Teal (Anas crecca)
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spelling Plant dispersal by teal (Anas crecca) in the Camargue: duck guts are more important than their feetGuillemain, M.Fritz, H.Gauthier-Clerc, M.Green, Andy J.DispersalDuckEndozoochoryExozoochoryTeal (Anas crecca)12 páginas, 3 figuras, 4 tablas.1. Migratory waterbirds are major vectors for the dispersal of aquatic plants. However, quantitative field studies of the frequency of transport are scarce, and the relative importance of internal and external transport remains unclear. 2. We quantified and compared the rates of internal and external transport of aquatic plant propagules by teal (Anas crecca) in the Camargue (southern France), inspecting the lower gut contents of birds that had been shot (n = 366) and washing birds that had been live-trapped (n = 68) during the winters of 2006–2007 and 2007–2008. 3. Intact propagules (n = 902) of 21 plant taxa were recorded in the rectum of teal, of which 16 germinated or were shown to be viable. Intact propagules were recorded in the rectum of 20% of teal, with up to 171 propagules per individual bird. Chara oogonia were most abundant (60% of intact propagules), suggesting that small size favours internal transport. Eleocharis palustris, Juncus spp. and Potamogeton pusillus (17, 7 and 6% of intact propagules, respectively) were also very abundant. 4. Intact propagules (n = 12) of 10 plant taxa were found on the outside of live teal, and four of these taxa later germinated. Intact propagules were found on 18% of teal. No teal was found to carry more than one propagule externally. There was no difference in size between propagules transported internally and externally. 5. Teal are major dispersers of plants within the Camargue, despite being highly granivorous. Contrary to widespread assumptions in the literature, endozoochory by ducks appears to be a much more important mode of dispersal for aquatic plants than exozoochory. We found no evidence of changes in the probability of plant propagule dispersal at a landscape scale over the course of the winter, so propagule production and zoochory appear to be decoupled over time in aquatic systems.A.-L. Brochet is funded by a Doctoral grant from Office National de la Chasse et de la Faune Sauvage, with additional funding from a research agreement between ONCFS, the Tour du Valat, Laboratoire de Biométrie et de Biologie Evolutive (UMR 5558 CNRS Université Lyon 1) and the Doñana Biological Station (CSIC). This work also received funding from the Agence Nationale de la Recherche through the Santé Environnement – Santé Travail scheme (contract number 2006-SEST-22).Peer reviewedWiley-Blackwell201120112010info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/31373reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttp://dx.doi.org/10.1111/j.1365-2427.2009.02350.xinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/313732026-05-22T06:33:51Z
dc.title.none.fl_str_mv Plant dispersal by teal (Anas crecca) in the Camargue: duck guts are more important than their feet
title Plant dispersal by teal (Anas crecca) in the Camargue: duck guts are more important than their feet
spellingShingle Plant dispersal by teal (Anas crecca) in the Camargue: duck guts are more important than their feet
Guillemain, M.
Dispersal
Duck
Endozoochory
Exozoochory
Teal (Anas crecca)
title_short Plant dispersal by teal (Anas crecca) in the Camargue: duck guts are more important than their feet
title_full Plant dispersal by teal (Anas crecca) in the Camargue: duck guts are more important than their feet
title_fullStr Plant dispersal by teal (Anas crecca) in the Camargue: duck guts are more important than their feet
title_full_unstemmed Plant dispersal by teal (Anas crecca) in the Camargue: duck guts are more important than their feet
title_sort Plant dispersal by teal (Anas crecca) in the Camargue: duck guts are more important than their feet
dc.creator.none.fl_str_mv Guillemain, M.
Fritz, H.
Gauthier-Clerc, M.
Green, Andy J.
author Guillemain, M.
author_facet Guillemain, M.
Fritz, H.
Gauthier-Clerc, M.
Green, Andy J.
author_role author
author2 Fritz, H.
Gauthier-Clerc, M.
Green, Andy J.
author2_role author
author
author
dc.subject.none.fl_str_mv Dispersal
Duck
Endozoochory
Exozoochory
Teal (Anas crecca)
topic Dispersal
Duck
Endozoochory
Exozoochory
Teal (Anas crecca)
description 12 páginas, 3 figuras, 4 tablas.
publishDate 2010
dc.date.none.fl_str_mv 2010
2011
2011
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/31373
url http://hdl.handle.net/10261/31373
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv http://dx.doi.org/10.1111/j.1365-2427.2009.02350.x
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Wiley-Blackwell
publisher.none.fl_str_mv Wiley-Blackwell
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,81155

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