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Influence of landscape structure on mosquitoes (Diptera: Culicidae) and dytiscids (Coleoptera
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Ecology .
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Ecology .
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2006 (English)In: Wetlands (Wilmington, N.C.), ISSN 0277-5212, E-ISSN 1943-6246, Vol. 26, no 1, 57-68 p.Article in journal (Other academic) Published
Abstract [en]

Patterns of species diversity and community structure depend on scales larger than just a single habitat and might be influenced by the surrounding landscape. We studied the response of two insect families, mosquitoes (Diptera: Culicidae) and dytiscids (Coleoptera: Dytiscidae), to landscape variables at five spatial scales. We studied adult mosquito and dytiscid abundance, diversity, and species assemblages in relation to water permanence (area of permanent water bodies versus temporary wetlands) and forest cover (area covered by forest versus open land) within nested circles of 100 to 3000 m around trap sites in four wetlands in southern Sweden and in five wetlands in central Sweden. We found that mosquito abundance was greatest in areas with plentiful forest cover and a high proportion of temporary water, while most dytiscids favored open areas with a high proportion of permanent wetlands. However, diversity of both mosquitoes and dytiscids was positively correlated with high permanence and little forest cover. Mosquito species assemblages were mainly influenced by forest cover at a large spatial scale, whereas permanence was more important at local scales. Dytiscid species assemblages were mainly influenced by water permanence, especially at intermediate spatial scales. These results can be explained by the flight capability and dispersal behavior of mosquito and dytiscid species. The observed landscape associations of mosquitoes and dytiscids could be useful when creating new wetlands. Mosquito colonization could be reduced by creating permanent wetlands in an open landscape, which would favor colonization by dytiscids, a potential predator of mosquito larvae, while also supporting the diversity of both taxa.

Place, publisher, year, edition, pages
2006. Vol. 26, no 1, 57-68 p.
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Natural Sciences
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URN: urn:nbn:se:liu:diva-36242DOI: 10.1672/0277-5212(2006)26[57:IOLSOM]2.0.CO;2Local ID: 30725OAI: oai:DiVA.org:liu-36242DiVA: diva2:257090
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2017-12-13

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Lundkvist, ElisabethLandin, Jan

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  • apa
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