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研究报告目录 |
阔叶红松林倒木贮量的变化规律 |
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| 出 版 社：生态学报 |
| 发表时间：2000,20(2):149～154 |
| 台 站：
长白山森林生态系统定位研究站
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| 作 者：代力民.徐振邦,陈华 |
| 点 击 率：21198 |
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| 关 键 字：阔叶红松林,倒木贮量,变化规律 |
摘 要：研究了长白山阔叶红松林倒木贮量的动态变化规律。阔叶林红松倒木贮量包括现有倒木和年输入量等贮量的变化规律。阔叶林红松现有倒木贮量开始为16.25t/hm2 ，以后随时间减少，到100年后分解掉其干重的85%左右。300年后所剩无几。倒木年输入量平均约为0.5 t/hm2 ，其贮量随时间而增加，200年后稳定在31 t/hm2 ，可保持到该群落的顶级时期。倒木总贮量的变化在初期呈增加趋势。而后随现有倒木的完全分解，倒木贮量就与其倒木的年输入趋于一致，最后稳定在上述水平上。
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| 关 键 字(英文)：the broad-leaved and Korean pine mixed forest,storage of fallen wood,dynamics |
摘 要(英文)：A study was carried out the storage dynamics of fallen trees in the broad-leaved and Korean pine mixed forest in the Changbai Mountain,Jilin province.The fallen trees storage dynamics includes the existing fallen trees and the annual input in the mixed forest.The existing storage of fallen trees was 16.25t/hm2 ，in the initial stage ,then the storage reduced after 100 years,85%of the dry weight was decomposed and only a few left after 300 years.The average annual input of fallen trees was 0.5 t/hm2 ，it increased with the time and became 31 t/hm2 after 200 years.It would contain this amount until the climax community was over.The storage of fallen trees increased in the early stage.In pace with the decomposition of fallen trees,the storage was identical with the annual input of fallen trees,and finally it would be stable .
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