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dc.contributor.authorGruner, Daniel
dc.date.accessioned2007-08-30
dc.date.available2007-08-30
dc.date.issued2005
dc.identifier.citationGruner, D. S. 2005. Biotic resistance to an invasive spider conferred by generalist insectivorous birds on the island of Hawai‘i. Biological Invasions 7:541-546en
dc.identifier.urihttp://hdl.handle.net/1903/7107
dc.description.abstractA central problem for ecology is to understand why some biological invasions succeed while others fail. Species interactions frequently are cited anecdotally for establishment failure, but biotic resistance is not well supported by quantitative experimental studies in animal communities. In a 33-month experiment on Hawaii Island, exclusion of native and alien forest birds resulted in a 25- to 80-fold increase in the density of a single non-indigenous spider species (Theridiidae: Achaearanea cf. riparia). Caged plots held large aggregations of juveniles and more large-bodied individuals, suggesting potential reproductive individuals are more susceptible to bird predation. Most examples of biotic resistance involve competition for limiting resources among sessile marine animals or terrestrial plants. The present results show that generalist predators can limit the success of introductions, even on oceanic islands, generally assumed less resistant to invasion.en
dc.format.extent324141 bytes
dc.format.mimetypeapplication/pdf
dc.language.isoen_USen
dc.publisherBiological Invasionsen
dc.subjectbiological invasionen
dc.subjectAchaearaneaen
dc.subjectbiotic resistanceen
dc.subjectHawaiian Islandsen
dc.subjectinsectivorous birdsen
dc.subjectMetrosideros polymorphaen
dc.subjectspideren
dc.subjectpredator exclusionen
dc.subjectTheridiidaeen
dc.subjecttop-down processesen
dc.subjectZosterops japonicaen
dc.titleBiotic resistance to an invasive spider conferred by generalist insectivorous birds on the island of Hawai‘ien
dc.typeArticleen
dc.relation.isAvailableAtDigital Repository at the University of Marylanden_us
dc.relation.isAvailableAtEntomologyen_us
dc.relation.isAvailableAtCollege of Chemical & Life Sciencesen_us
dc.relation.isAvailableAtUniversity of Maryland (College Park, MD)en_us


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