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Saproxylic beetles in natural and man-made deciduous high stumps retained for conservation

Jonsell, Mats (författare)
Department of Entomology, SLU, Sweden
Nittérus, Karolina, 1972 (författare)
Gothenburg University,Göteborgs universitet,Institutionen för miljövetenskap och kulturvård, tillämpad miljövetenskap,Department of Environmental Science and Conservation, Applied Environmental Science
Stighäll, Kristoffer (författare)
Swedish Society for Nature Conservation, Stockholm, Sweden
 (creator_code:org_t)
Elsevier, 2004
2004
Engelska.
Ingår i: Biological Conservation. - : Elsevier. - 0006-3207 .- 1873-2917. ; 118:2, s. 163-173
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • Intensive forest management in Scandinavia has decreased the amount of dead wood required by saproxylic (wood-living) organisms. To reduce this problem, some dead wood is now retained during forest operations, often in the form of man-made high stumps (ca. 4 m high). Most often these stumps are cut with a harvester, although the stumps in this study were made with explosives. The aims of this study were to determine whether such stumps of aspen (Populus tremula) and birch (Betula spp.) could be used by red-listed saproxylic beetles (Coleoptera), and to examine how the fauna of man-made high stumps differs from that of natural stumps. We also studied how tree species, sun-exposure, stage of decay and trunk diameter influenced the fauna. In 169 samples of bark from high stumps 116 saproxylic species were found, of which 21 were red-listed. Many species, including red-listed ones, were more associated with man-made stumps than with natural stumps. However, in total, more species were found in the natural than in the man-made stumps. This is probably because man-made stumps provide a more homogeneous type of wood substrate than natural ones. Among the other variables the difference between aspen and birch was the most important. We conclude that man-made high stumps are valuable habitats for many saproxylic beetle species.

Ämnesord

NATURVETENSKAP  -- Biologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences (hsv//eng)
NATURVETENSKAP  -- Biologi -- Annan biologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Other Biological Topics (hsv//eng)

Nyckelord

coleoptera
dead wood
CWD
forestry
boreal forest
Biology
Biologi
Author Keywords
Coleoptera
Dead wood
CWD
Forestry
Boreal forest

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Jonsell, Mats
Nittérus, Karoli ...
Stighäll, Kristo ...
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och Biologi
NATURVETENSKAP
NATURVETENSKAP
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Örebro universitet
Göteborgs universitet

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