The proposal of biotic hazard zones in selected spruce dominated regions in Slovakia

T. Hlásny, L. Kulla, I. Barka, M. Turčáni, Z. Sitková and M. Koreň
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T. Hlásny: National Forest Centre - Forest Research Institute in Zvolen, Zvolen, Slovakia
L. Kulla: National Forest Centre - Forest Research Institute in Zvolen, Zvolen, Slovakia
I. Barka: National Forest Centre - Forest Research Institute in Zvolen, Zvolen, Slovakia
M. Turčáni: Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Prague, Czech Republic
Z. Sitková: National Forest Centre - Forest Research Institute in Zvolen, Zvolen, Slovakia
M. Koreň: Faculty of Forestry, Technical University Zvolen, Zvolen, Slovakia

Journal of Forest Science, 2010, vol. 56, issue 5, 236-242

Abstract: Biotic agents driven spruce decline has been observed over several regions in Europe. We studied the spatial pattern of spruce stands mortality due to biotic agents in three spruce dominated regions in Slovakia - the Kysuce, Orava and Low Tatras regions. Regularly reported data on sanitary felling were used for the analysis. Geostatistical techniques and other spatial modelling tools were used to design the zones of biotic hazard for each region. Zone A stands for the totally disintegrated stands with extremely elevated activity of biotic agents. Zone B represents the buffer zone around the zone A. Its width depends on the spreading potential of biotic agents and related stand mortality observed during the last years. Zone C stands for the background areas, with more or less healthy stands. Zone-specific forest protection measures are proposed. Such a system allows for the priority rating of unnatural spruce stand conversion and optimal allocation of forest protection measures.

Keywords: bark beetle; biotic hazard zones; fungal pathogens; Slovakia; spruce decline (search for similar items in EconPapers)
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:56:y:2010:i:5:id:56-2009-jfs

DOI: 10.17221/56/2009-JFS

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