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Factors affecting species number and density of dabbling duck guilds in North Europe
Deptartment of Animal Ecology, Swedish University of Agricultural Sciences, Umeå. (Akvatisk biologi och kemi)
Deptartment of Applied Zoology, University of Helsinki.
Finnish Game and Fisheries Research Institute, Evo Game Research Station.
Deptartment of Animal Ecology, Swedish University of Agricultural Sciences, Umeå.
1993 (English)In: Ecography, ISSN 0906-7590, E-ISSN 1600-0587, Vol. 16, no 3, 251-260 p.Article in journal (Refereed) Published
Abstract [en]

We addressed how species number and pair density in guilds of co-existing species is related to habitat structure, and to the abundance and diversity of food resources. using the assemblage of seven species of dabbling ducks (genus Anas) breeding in 60 lakes distributed over six regions in temperate north Europe. Partial correlation and multiple regression revealed that species richness was best predicted by habitat structural diversity as indexed by a principal component analysis based on 18 vegetation and lake characteristics, and by the abundance of aquatic and emergent prey. We found no effect of lake size or prey size diversity on species richness. Pair density was correlated with the percentage of shoreline with horsetails (Equisetum), by habitat structural diversity and by the abundance of emergent invertebrate prey. Neither prey size diversity nor abundance of aquatic prey correlated with pair density. Species richness and pair density in North European duck guilds vary both with habitat structure and prey availability.

Place, publisher, year, edition, pages
1993. Vol. 16, no 3, 251-260 p.
Keyword [en]
INTERSPECIFIC COMPETITION, COMMUNITY STRUCTURE, DIVERSITY, PATTERNS, ASSOCIATIONS, ORGANIZATION, ENVIRONMENTS, COEXISTENCE, ABUNDANCE, SPARROWS
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:hkr:diva-5404DOI: 10.1111/j.1600-0587.1993.tb00214.xISI: A1993LU54700005ISBN: 0906-7590 (print)OAI: oai:DiVA.org:hkr-5404DiVA: diva2:320499
Available from: 2010-05-25 Created: 2009-12-07 Last updated: 2014-08-01Bibliographically approved

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Elmberg, Johan

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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