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This article presents a review of data and results of investigations from the period 1958–2006 regarding the occurrence of insects of the genus Cephalcia Panzer (Hymenoptera, Pamphiliidae) in Norway s...
Soon after bark-beetle attack as well as after clear cutting, grown-up mountain Norway spruce forest cast the following mass of needles: 50–60 kg of dry matter per tree, or 18–20 tons per hectare, con...
The mountain pine beetle (MPB) (Dendroctonus ponderosae Hopkins) could have a large effect on hydrologic regimes in British Columbia watersheds. Given the recent increase in size of the beetle infesta...
Much of the forest killed by the current mountain pine beetle outbreak in British Columbia will never be salvaged for commercial purposes. It has been suggested that large areas will need “restora...
In the suburban and urban forests in the cities of Gda駍k, Sopot and Gdynia (northern Poland), Ixodes ricinus ticks should be considered as the vector of pathogenic microorganisms that may cause signif...

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