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Root biomass of karst vegetation in a mountainous area of southwestern China
Author(s): 
Pages: 611-618
Year: Issue:  5
Journal: Journal of Plant Ecology(Chinese Version)

Keyword:  karst vegetationMaolan National Natural Reserveroot biomassrock standsoil standvegetation resto-ration;
Abstract: 在贵州茂兰喀斯特森林国家自然保护区内,选取2种立地条件上(岩石和土壤分别占优势)的5个植被恢复阶段(草本群落、灌草群落、灌木群落、次项极常绿落叶阔叶林和顶极常绿落叶阔叶林)共10个样地,利用平均标准木机械布点法对根系进行采集,分析了其生物量总量、不同根系径级的分配格局和地下空间的分布规律.结果表明:1)喀斯特植物群落的正向植被恢复进程极显著地增加了地下生物量(p<0.001),从草本群落的2.63...
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