A preliminary report on the species diversity of Shorea chinensis forest in southwest China
1993
Min, C.
Shorea chinensis forest is distributed in Xishuangbanna in southwestChina which constitutes a part of the northernmost border of tropical southwest Asia and covers about 800 ha of wet valleys and gentle slopes. As an important representative of local rainforests under the prevalence of tropical monsoon climate, Shorea chinensis forest has both ecological similarity and difference in comparison withtypical humid rainforests in tropical Asia. The present paper makes up one of the contributions to the systematic study on the tropical rainforests in Xishuangbanna. Several diversity indices of trees (DBH > 110 cm ) in this forest were determined by applying 'minimum programme' to the field survey : Shannon's H'; the complementof Simpson's index, d'; Fisher's alpha S(100) and b. A S-N curve showing the speciesdiversity of this forest was also completed. The results demonstrate that the Shoreachinensis: forest in Xishuangbanna is more diversified in the tree species compositionthan some insular forests in Micronesia and some continental rainforests inThailand and equatorial Amazon.
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