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Relationship Between Biodiversity and Aboveground Biomass in Alpine Meadow on Mt. Helan, China

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF APPLIED & ENVIRONMENTAL BIOLOGY
Issue:
6
DOI:
10.3321/j.issn:1006-687x.2007.06.005
Key Word:
物种丰富度;Shannon指数;地上生物量;单峰曲线

Abstract: 在对贺兰山高山草甸进行群落调查的基础上,研究高山草甸生物多样性和地上生物量与环境因子之间的关系,进而分析生物多样性和地上生物量的关系.结果表明:(1)地上生物量主要与土层深度成正相关关系.(2)海拔高度与生物多样性成负相关关系,而其它影响物种丰富度或Shannon指数的环境因子仅在个别群落类型中起作用.(3)生物多样性与地上生物量主要呈单峰曲线关系.图3表4参24

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