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RELATIONSHIP BETWEEN SPECIES DIVERSITY AND SOIL FACTORS OF EVERGREEN BROAD-LEAVED FOREST IN JINYUN MOUNTAIN,CHONGQING

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF APPLIED & ENVIRONMENTAL BIOLOGY
Issue:
1
DOI:
10.3321/j.issn:1006-687X.2004.01.003
Key Word:
常绿阔叶林;物种多样性;土壤因子;DCCA

Abstract: 探讨了缙云山常绿阔叶林物种多样性的变化特征,并运用去势典范对应分析(DCCA)方法,分析了不同样方中土壤因子与群落多样性指数之间的关系. 结果表明:(1)17个样方中物种丰富度指数是草本层最高,均匀度指数是乔木层最高.(2)土壤含水量和水解氮与乔木层物种丰富度和均匀度相关性明显,有效磷和乔木层均匀度有明显相关;全氮含量和有机质含量与草本层物种的均匀度有明显相关.(3)多酚氧化酶活性和乔木层物种的均匀度有明显相关,转化酶活性与乔木层物种丰富度和均匀度均有一定相关,多酚氧化酶活性和酸性磷酸酶活性与草本层的物种均匀度和丰富度有明显相关. 图2 表3 参20

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