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湘中丘陵区石栎混交林群落物种多样性研究
引用本文:李志辉,樊敬乐,何友军,刘洪兴,王仲怀.湘中丘陵区石栎混交林群落物种多样性研究[J].中南林业科技大学学报,1996(4).
作者姓名:李志辉  樊敬乐  何友军  刘洪兴  王仲怀
作者单位:中南林学院环境与资源系,湖南省林工设计院,湖南省林业厅,长沙县林科所
摘    要:通过对湘中丘陵区石栎(Lithocarpusglaber(Thunb.)Nakai)混交林群落调查.利用Shannon和Simpson多样性指数及相应的均匀度和种间相遇机率.对其群落物种的多样性进行了初步研究.结果表明:湘中丘陵区石栎混交林群落乔木层与下木层的Shannon多样性指数分别为1.184和3.197;Simpson多样性指数分别为0.624和0.814;种间相遇机率分别为0.625和0.814;均匀度分别为45.80%和63.94%.乔木层第Ⅰ亚层多样性指数低于第Ⅱ亚层;群落的物种多样性是时间和空间的函数.

关 键 词:湘中丘陵区  石栎混交林  物种多样性

Preliminary Studies of Species Diversity of Mixed Forest Communities of Lithocarpus glaber in Central
Hunan' s Hilly Country Li Zhihui.Preliminary Studies of Species Diversity of Mixed Forest Communities of Lithocarpus glaber in Central[J].Journal of Central South Forestry University,1996(4).
Authors:Hunan' s Hilly Country Li Zhihui
Abstract:Through many investigations of mixed forest communities of Lithocarpus glaber in Central Hunan's hilly country, the species diversity of the communities has been studied by adopting Simpson and Shannon Diversity index, corresponding homogeneous degree and meeting probilbility among species. The results indicate that the arbor layer Simpson diversity index is 0.624, the shrub layer's is 0.814; the arbor layer Shannon diversity index1.814,the shrub layer's is 3.197;the meeting probability among species is 0.625( arbor layer) and 0.814( shrub layer) , the evenness is 45.80% ( arbor layer) and 63. 94% ( shrub layer);and that the diversity index of the first lyer of arbor layer is less than that of the second layer;the species diversity of the communities is the function of time and space.
Keywords:Lithocarpus glaber  mixed forest communities  species diversity  hilly country  Hunan Province
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