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| Content Provider | Springer Nature Link |
|---|---|
| Author | Brunet, Jörg Isacsson, Gunnar |
| Copyright Year | 2009 |
| Abstract | The influence of spatial location and density of beech snags on species diversity and distribution patterns of saproxylic beetles was studied in a 2,400 ha forest landscape in southern Sweden. Complete snag surveys were combined with a beetle survey using small window traps directly attached to the beech snags. The density of beech snags ≥30 cm dbh varied between one and seven snags per ha within the study area, corresponding to 1.1–5.1 m3/ha. A total of 2,610 specimens of 180 saproxylic beetles species were trapped, of which 19 species were red-listed. Within the study area, the number of red-listed and formerly red-listed species was highest around traps in old-growth stands, intermediate in managed stands contiguous with old-growth and lowest in managed stands isolated from old-growth by a two km-wide zone without beech forest. Logistic regressions revealed negative relationships between distance to old-growth forest and occurrence of eleven species, among them six red-listed or formerly red-listed species. The number of non red-listed species was not correlated with isolation from old-growth forest. The number of red-listed species also increased with snag density within 200–300 m around the traps. Our results suggest that red-listed species generally have a lower dispersal capacity than other saproxylic beetles. We conclude that retention of dead wood close to existing populations is more beneficial for red-listed species than an even distribution of snags across the forest landscape. |
| Starting Page | 2387 |
| Ending Page | 2404 |
| Page Count | 18 |
| File Format | |
| ISSN | 09603115 |
| Journal | Biodiversity and Conservation |
| Volume Number | 18 |
| Issue Number | 9 |
| e-ISSN | 15729710 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2009-02-14 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Beech snags Coarse woody debris Dispersal limitation Red-listed species Southern Sweden Window traps Plant Sciences Tree Biology Evolutionary Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology Ecology, Evolution, Behavior and Systematics Nature and Landscape Conservation |
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