Effects of habitat fragmentation at different trophic levels in insect communities

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dc.contributor.author van Nouhyus, Saskya en
dc.contributor.other Metapopulation Research Group, Department of Biological and Environmental Sciences, University of Helsinki, P.O. Box 65, FI-00014 Helsinki, Finland en
dc.date.accessioned 2007-11-12T14:46:10Z en
dc.date.accessioned 2009-06-17T14:03:11Z
dc.date.available 2007-11-12T14:46:10Z en
dc.date.available 2009-06-17T14:03:11Z
dc.date.issued 2005 en
dc.identifier.issn 0003-455X en
dc.identifier.uri http://hdl.handle.net/1975/7505
dc.description.abstract Species experience landscapes differently depending on their needs and behaviors, and on their trophic level. We expect species at high trophic levels in a community to be more sensitive to habitat fragmentation than species at lower trophic levels. But this depends on attributes such as resource breadth, dispersiveness, reproductive rate, and longevity, which may not be related to trophic level. I address the association of fragmentation with trophic level using a literature review of 31 studies of herbivores and their natural enemies, and a case study of the parasitoids associated with the Glanville fritillary butterfly. Measures of species richness or total parasitism in an entire insect community provide the strongest support for the idea that negative effects of fragmentation amplify at higher trophic levels. Generally though, there is great variation among studies, due to variation among species, as well as in designs of both experimental and observational studies. en
dc.language.iso en en
dc.relation.ispartofseries Annales Zoologici Fennici en
dc.relation.ispartofseries 42: 433-447 en
dc.title Effects of habitat fragmentation at different trophic levels in insect communities en
dc.type Article en
dc.identifier.laitoskoodi B571151 fi
dc.creator.corporateName Metapopulaatiobiologian tutkimusryhmä (Bio- ja ympäristötieteiden laitos. Ekologia ja evoluutiobiologia) fi
dc.creator.corporateName Metapopulation Research Group (Department of Biological and Environmental Sciences. Ecology a nd Evolutionary Biology) en
dc.creator.corporateName Metapopulationsbiologi, Forskningsgruppen för (Institutionen för bio- och miljövetenskaper. Ekologi och evolutionsbiologi) sv

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