Essays about: "ground beetles"
Showing result 11 - 15 of 17 essays containing the words ground beetles.
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11. Clear-cut and substrate characteristics important for the occurrence of the beetle Upis ceramboides
University essay from SLU/Dept. of EcologyAbstract : Disturbances, such as fire and wind, are important for saproxylic beetles (= beetles depending on decaying wood) to gain substrate in boreal forests. Clear-cutting is an example of a man-made disturbance. Measures such as prescribed burning have been made to resemble natural disturbances. READ MORE
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12. Jordlöparfaunan i bestånd av contortatall (Pinus contorta) och svensk tall (P. sylvestris) 1987 och 2010
University essay from SLU/Dept. of Forest Ecology and ManagementAbstract : In the 1970´s the North American lodgepole pine (Pinus contorta) was introduced to Sweden in large scale. The lodgepole pine affects its new environment different from Scots pine (P. sylvestris), leading to a change in biological diversity. Forestry today affects the ground beetle fauna (Carabidae). READ MORE
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13. Retention of stumps on wet ground at stump-harvest and its effects on saproxylic insects
University essay from SLU/Dept. of Forest ProductsAbstract : Low stumps represent on their own up to 80% of the dead wood remaining on clear cuts and therefore supply suitable habitat for saproxylic insects i.e. insects depending on dead wood for their survival. READ MORE
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14. Sand pits as habitat for ground beetles (Carabidae) : does the area affect species number and composition?
University essay from SLU/Dept. of EcologyAbstract : Sand pits are a valuable habitat which can hold many sand living species including several endangered ones. As many sand habitats with exposed sand are declining, sand pits have a potential as a substitute habitat. READ MORE
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15. Saproxylic beetles in two types of fine woody debris of Norway spruce
University essay from SLU/Dept. of EcologyAbstract : Fine Woody Debris (FWD) has been considered as the promising source of forest fuel in Fennoscandia. Main sources are logging residues which formerly were retained on clearcuts. Recent studies indicate that many saproxylic (wood-living) organisms use this wood, and the harvest may decrease their breeding substrate. READ MORE
