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DNA analysis on fox faeces and competition induced niche shifts
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- Dalén, Love (author)
- Naturhistoriska riksmuseet,Stockholms universitet,Zoologiska institutionen,Enheten för bioinformatik och genetik
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- Elmhagen, Bodil (author)
- Stockholms universitet,Avdelningen för zoologisk ekologi
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- Angerbjörn, Anders (author)
- Stockholms universitet,Avdelningen för zoologisk ekologi
- (creator_code:org_t)
- 2004
- 2004
- English.
- In: Molecular Ecology. - 0962-1083 .- 1365-294X. ; 13:8, s. 2389-2392
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- Interference competition can force inferior competitors to change their distribution patterns. It is, however, possible that the dominant competitor poses a higher threat during certain times of the year, for example during reproduction. In such cases, the inferior competitor is expected to change its distribution accordingly. We used a molecular species identification method on faeces to investigate how the spatial overlap between arctic and red foxes changes between seasons. The results show that arctic and red foxes are sympatric during winter, but allopatric in summer as arctic foxes retreat to higher altitudes further from the tree-line during the breeding season
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Zoologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Zoology (hsv//eng)
Keyword
- Alopex;ecology;PCR;species identification;Vulpes
- Terrestrial ecology
- Terrestrisk ekologi
- zoologisk ekologi
- Animal Ecology
- Ecosystems and species history
Publication and Content Type
- ref (subject category)
- art (subject category)
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