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The effect of Dendrolimus superans breakout on growth of trees
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作者 马冬梅 秦世利 +3 位作者 宋春彬 陆奎成 张宝宏 刘继明 《Journal of Forestry Research》 SCIE CAS CSCD 1998年第4期269-272,共4页
The effect ofDendrolimus superans on growth of trees was investigated after the breakout in Shibazhan forest area in 1990. Stem analysis was conducted for determining the tree increment loss. The result showed that th... The effect ofDendrolimus superans on growth of trees was investigated after the breakout in Shibazhan forest area in 1990. Stem analysis was conducted for determining the tree increment loss. The result showed that the current annual increment for extreme heavily damaged, heavily damaged, moderately damaged and lightly damaged stands is 14%, 39.8%, 64% and 82% of that of the control forest respectively. 展开更多
关键词 Dendrolimmus superans DAMAGE Tree increment loss larvae density
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