广东始兴罗坝小红栲林的物种多样性研究
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华南生物科学与技术研究中心资助!3189


Species Diversity of the Castanopsis carlesii Forest at Luoba, Shixing, Guangdong
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    摘要:

    采用样方取样法调查了广东省始兴县罗坝镇小安村的小红栲林、根据1400m^2的样方面积调查,测算了群落乔木层、灌木层、和层间植物的重要值、物种多样性指数、物种均匀度、生态优势度、结果表明,群落中乔木层、灌木层、草本层和层间植物的物种多样性指数分别为2.0248、2.9021、2.0934和2.2698;物种均匀度分别为0.3916、0.5491、0.6051和0.7566;生态优势度分别为0.394

    Abstract:

    1400m2 plots in a Castanopsis carlesii forest at Luoba, Shixing county, north of Guangdong Province, were surveyed. Importance value, species diversity index (Shannon-Wiener Index), evenness index, ecological dominance of the community in relation to thent layers, i. e. tree layer, shrub layer,herbaceous layer and interlayer, were computed. Growth volume of the dominant species Castanopsis carlesii was also measured and calculated. Results showed that Shannon-Wiener Index of tree layer, shrub layer, herbaceous layer and inter-layer were 2.024 8, 2.902 1, 2.903 4 and 2.269 8 respectively;evennss index were 0.391 6, 0.549 1, 0.605 1 and 0.756 6 respectively; ecological dominance were 0.394 6, 0. 150 3, 0.217 1 and 0.241 5 respectively. This study can provide theoretical foundation for the management of Castanopsis carlesii forest.

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张木明 沈小明.广东始兴罗坝小红栲林的物种多样性研究[J].华南农业大学学报,1999,(4):98-102

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