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dc.contributor.authorNogales, Manuelen_US
dc.contributor.authorPérez Padilla, Daviden_US
dc.contributor.authorNieves, Concepciónen_US
dc.contributor.authorIllera, Juan Carlosen_US
dc.contributor.authorTraveset, Anna-
dc.date.accessioned2009-05-12T06:17:30Z-
dc.date.available2009-05-12T06:17:30Z-
dc.date.issued2007-09-27en_US
dc.identifier.citationJournal of Ecology 95(6): 1394-1403 (2007)en_US
dc.identifier.issn0022-0477-
dc.identifier.urihttp://hdl.handle.net/10261/12981-
dc.description10 pages, 4 figures, 3 tables.-- Printed version published Nov 2007.-
dc.description.abstract1. Secondary seed dispersal occurs whenever a seed is dispersed in two or more different dispersal events, so that different dispersal agents (e.g. animal frugivores or invertebrates) contribute to different events. Three secondary seed dispersal systems, in which lizards and predatory birds participate, are studied in Lanzarote (Canary Islands).-
dc.description.abstract2. Seeds from all three plant species studied (Lycium intricatum, Rubia fruticosa and Asparagus nesiotes) were found with the remains of lizards (Gallotia atlantica) when they appeared inside shrike (Lanius meridionalis) and kestrel (Falco tinnunculus) pellets. This suggests that these two avian predators might secondarily disperse these plants by incidentally ingesting seeds when they prey upon the frugivorous lizards.-
dc.description.abstract3. Lycium and Rubia seeds dispersed by Falco had significantly thinner seed coats compared to the other treatments (Gallotia and Lanius) and to uningested seeds. Correlated with this result, seed hardness increased from Lycium (the softest coat), to Rubia (intermediate values), to Asparagus.-
dc.description.abstract4. Seed viability was high in all three species, although both viability and germination were significantly reduced in seeds of Lycium and Rubia dispersed by Falco.-
dc.description.abstract5. The seed distribution was markedly different, Gallotia being an important disperser in the open ground microhabitats, Lanius in hillocks and Falco in hills. Because all three plant species were present in all these microhabitats, our observations suggest that the dispersal of these plants might be associated with the differential use of the habitat by the different dispersers.-
dc.description.abstract6. Synthesis: Contrary to some long-distance seed dispersal (LDD) paradigms, the complex seed dispersal systems we describe are common and affect an important number of seeds that are moved each year to particular microhabitats. Finally, the simultaneous ecological factors analysed in this study support the hypotheses that diplochory by double endozoochory could have played a more important role in LDD events than is currently recognized, both in recent volcanic areas (lowlands) and also probably in the colonization of other subtropical islands.-
dc.description.sponsorshipThe Cabildo Insular de Lanzarote granted permission to work in the protected badland area. D.P.P. is financed by a PhD Thesis grant from the Canarian Government and J.C.I. by a postdoctoral fellowship from the Ministerio de Educación y Ciencia of Spain. Funds for both projects (BOS2003-00044 to M.N. and CGL2004-04884-C02-01/BOS to A.T.) were provided by the Spanish Ministry of Science and Education; we also allocated funds for the project PI042004/037 (granted to M.N.) by the Consejería de Educación, Cultura y Deportes (Canarian Government). All these projects were partially financed by FEDER funds from the European Union.-
dc.format.extent2373 bytes-
dc.format.extent195940 bytes-
dc.format.mimetypetext/plain-
dc.format.mimetypeapplication/pdf-
dc.language.isoengen_US
dc.publisherBlackwell Publishing-
dc.publisherBritish Ecological Society-
dc.rightsclosedAccessen_US
dc.subjectBadlands-
dc.subjectCanary Islands-
dc.subjectDiplochory-
dc.subjectEndozoochory-
dc.subjectFrugivorous lizards-
dc.subjectIsland plant colonization-
dc.subjectLong-distance seed dispersal-
dc.subjectSeed coat and hardness-
dc.subjectSeed distribution-
dc.subjectSeed viability and germination-
dc.titleSecondary seed dispersal systems, frugivorous lizards and predatory birds in insular volcanic badlandsen_US
dc.typeartículoen_US
dc.identifier.doi10.1111/j.1365-2745.2007.01305.x-
dc.relation.publisherversionhttp://dx.doi.org/10.1111/j.1365-2745.2007.01305.x-
dc.contributor.funderGobierno de Canarias-
dc.contributor.funderMinisterio de Educación y Ciencia (España)-
dc.contributor.funderEuropean Commission-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextnone-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextNo Fulltext-
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