Wybrane objawy stresu w świerczynach Sudetów Zachodnich w aspekcie oddziaływania czynników abiotycznych i skutków masowego pojawu wskaźnicy modrzewianeczki Zeiraphera griseana Hb. (Lepidoptera: Tortricidae)
Selected stress symptoms in the Norway spruce stands of the Western Sudety Mountains in the aspect of the effect of the abiotic factors and the larch bud moth Zeiraphera griseana Hb. (Lepidoptera: Tortricidae) outbreak
Autorzy
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Wojciech Grodzki
Instytut Badawczy Leśnictwa, Zakład Lasów Górskich, ul. Fredry 39, 30-605 Kraków
Tel. +48 12 2528212, e-mail: w.grodzki@ibles.waw.pl
Abstrakt
The paper presents the selected symptoms of the vitality reduction of the Norway spruce stands in the Western Sudety, due to the hydrothermic conditions, air pollution and damage caused by the larch bud moth larvae, based on the estimation of the defoliation level and the analysis of the radial diameter increment of stands.
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