Section 4
Chapter 3,988

Thinning of substitute stands of birch (Betula sp.) and blue spruce (Picea pungens) in air polluted area of the Ore Mts

Slodicak, M.; Novak, J.

Journal of Forest Science 47(Special Issue): 139-145


ISSN/ISBN: 1212-4834
Accession: 003987431

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Investigation of the thinning effect on development, stability and functions of birch (Betula sp.) and blue spruce (Picea pungens) substitute stands began in 1989 in air polluted areas in the Ore Mts. (Northern Bohemia), Czech Republic. Attention was paid to two types of thinning: negative selection from below and positive selection from above, both compared to control plot without thinning. Experimental treatment started in 1990 when the stands were 9 years old.

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