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间伐强度对天然次生林凋落物性质的作用效果分析
引用本文:苏芳莉,刘明国,迟德霞,孔祥文,胡万良.间伐强度对天然次生林凋落物性质的作用效果分析[J].土壤通报,2007,38(6):1096-1099.
作者姓名:苏芳莉  刘明国  迟德霞  孔祥文  胡万良
作者单位:1. 沈阳农业大学,辽宁,沈阳,110161
2. 辽宁省森林经营研究所,辽宁,丹东,118002
摘    要:分析了不同间伐强度对天然次生林凋落物的性质的影响。经过分析,不同间伐强度下年凋落量最大的为弱度间伐区。枯枝落叶贮量以弱度间伐区为最大,强度间伐区最小。凋落物分解转化率以强度间伐区最高,对照区最小。从养分归还看,强度间伐区全氮、全磷、全钾的归还量均最大。认为中度间伐下枯枝落叶性质最有利于天然次生林的可持续利用。

关 键 词:间伐强度  天然次生林  凋落物  贮量  分解转化率  养分归还量
文章编号:0564-3945(2007)06-1096-04
修稿时间:2006年10月5日

Effect of Different Thinning Intensity on the Properties of Litter
SU Fang-li,LIU Ming-guo,CHI De-xia,KONG Xiang-wen,HU Wan-liang.Effect of Different Thinning Intensity on the Properties of Litter[J].Chinese Journal of Soil Science,2007,38(6):1096-1099.
Authors:SU Fang-li  LIU Ming-guo  CHI De-xia  KONG Xiang-wen  HU Wan-liang
Institution:1.Shenyang Agricultural University.110161;2.Liaoning Forestry Management Research Institute
Abstract:The results from the experiment showed that the most annual falling amount of forest was in ebb-thinning intensity,as well as the saving amount.The highest rate of decomposition and transformation appeared in the high-thinning intensity,while the lowest was in the antithesis area.According to the nutrient return,the most amount of total N,total P and total K all appeared in high-thinning intensity.So the properties of litter in mid-thinning intensity was the most adaptive to natural secondary forest.
Keywords:Thinning density  Natural secondary forest  Forest diversity  Litter  Growth  Nutrient return
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