Abstract
The mutual-belt selective cutting was conducted in the secondary poplar-birch forests. The changes of environmental factors after cutting were observed. The environmental factors of effect belts(cutting belts) of 15 m in width had great changes. 10-m effect belts had unnoticed changes in environmental factors. The reserved belts with 10-m effect belts had a greater increase in DBH growth rate and volume growth rate. The reserved belts for 6-m and 8-m effect belts had lower increase in DBH and volume. The environmental factors of 6-m and 8-m effect belts did not change much, comparing with their reserved belts. Cluster analysis and principal component analysis for environmental factors between each two belts were also made, and the results proved that 10-m cutting belt is the best way for management of the secondary poplar-birch forests.
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Zhaohua, L., Wanhui, Y. Characteristics of environment factors in secondary poplar-birch forests after mutual-belt selective cutting. Journal of Forestry Research 8, 152–155 (1997). https://doi.org/10.1007/BF02855408
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DOI: https://doi.org/10.1007/BF02855408