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Mika Jääskelä, Kari Heliövaara, Mikko Peltonen, Hannu Saarenmaa

Comparison of protection methods of pine stacks against Tomicus piniperda.

Jääskelä M., Heliövaara K., Peltonen M., Saarenmaa H. (1997). Comparison of protection methods of pine stacks against Tomicus piniperda. Silva Fennica vol. 31 no. 2 article id 5614. https://doi.org/10.14214/sf.a8515

Abstract

Three most promising protection methods of pine pulp wood stacks against the attacks of Tomicus piniperda L. were compared. The methods were the covering of stacks by fibreglass-strengthened paper or twofold achrylene netting, removing the upper parts of stacks, and enhanced planning of the placement of the timber store using ARC/INFO GIS-software. T. piniperda was observed to strongly prefer the upper parts of the stacks: 90 % of the beetles occurred within 0.5 meters of the top of the stacks. Covering of the stacks decreased the attack density of T. piniperda, and the protection effect of covering was 80 %. Due to long transport distances and fragmentation of forest landscape the relocation of timber store was found to be an unsuitable method in the practical level. Also, taking into account the costs of the method, removing of the upper parts of stacks was considered to be the optimal solution.

Keywords
Tomicus piniperda; insect pests; GIS; road side landings of timber; timber storage; pulpwood stacks; forest protection; protection of timber

Published in 1997

Available at https://doi.org/10.14214/sf.a8515 | Download PDF

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