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鼎湖山森林群落的总生产力
张祝平;
中国科学院华南植物研究所 广州 510650
摘要:
本文根据鼎湖山季风常绿阔叶林和针阔叶混交林的垂直结构和成层现象,应用红外线CO2气体分析等方法,分层测定了主要植物33种57株的光合速率,研究了两个群落的总初级生产力。结果表明:季风常绿阔叶林的总生产力(吨干物质·公顷-1,年-1)为146.695,针阔叶混交林为128.5597,前者比后者高,但后者叶面积指数适度,林内透光良好,树干生长粗壮,因而经济效益较高。
关键词:  季风常绿阔叶林  总生产力  净光合速率  
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