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Commercial harvest ...
Commercial harvest of logging residue in clear-cuts affects the diversity and community composition of ground beetles (Coleoptera : Carabidae)
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- Nittérus, Karolina, 1972 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för växt- och miljövetenskaper,Department of Plant and Environmental Sciences
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- Åström, Marcus (författare)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
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- Gunnarsson, Bengt, 1954 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för växt- och miljövetenskaper,Department of Plant and Environmental Sciences
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(creator_code:org_t)
- 2007-05-08
- 2007
- Engelska.
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Ingår i: Scandinavian Journal of Forest Research. - : Informa UK Limited. - 0282-7581 .- 1651-1891. ; 22:3, s. 231-240
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Structural complexity of the habitat is known to influence the diversity and abundance of arthropod populations. Earlier studies have shown that presence of logging residue ( slash) on the ground contributes to microhabitat complexity and removal of slash for biofuel in clear-cuts can have short-term ( similar to 1 year) effects on ground-active beetle populations. This study examines the consequences of slash removal on carabids (Coleoptera: Carabidae) 5-7 years after harvest. Sampling of beetles was done by pitfall trapping in three matched clear-cut pairs, in spruce forest in central Sweden. The number and diversity (Berger-Parker dominance index) of carabid species were significantly higher in clear-cuts with slash harvest than in sites where slash was left on the ground. No difference in the overall rank-abundance pattern was found between clear-cuts with different slash treatments, but for species with certain habitat preferences the community was significantly altered. In all clear-cuts, slash removal caused a shift in dominance with an increase in generalist species and a decline in forest species. The results show that removal of slash may have long-lasting effects on the carabid community composition and structure. Hence, in forest landscapes with large-scale biofuel harvest, generalist carabid species may increase their abundance. Following the precautionary principle, it is suggested that every fifth clear-cut should be free of slash harvest.
Ämnesord
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
Nyckelord
- species assemblage
- structural complexity
- whole-tree harvest
- ASSEMBLAGES COLEOPTERA
- FOREST MANAGEMENT
- SPECIES-DIVERSITY
- LANDSCAPE
- REMOVAL
- BIODIVERSITY
- BRYOPHYTES
- COMPLEXITY
- SUCCESSION
- VEGETATION
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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