Population and Community of Lysidicebrevicalyx in Dongguan City,Guangdong Province

Abstract

Abstract: The composition and species diversity of the communities of Lysidice brevicalyx in Qingxi Forest Farm of Dongguan City,Guangdong were investigated by plot method.Eight plots with an area of 400 m² were set up in two types of habitats.Four plots were in a relic ravine woodland stand while the rest four plots were in some separate,small patched woods.A total of 142 vascular species were recorded in the plots,which belong to 68 families and 103 genera.The result showed that the floristic diversity index was higher in the relic ravine woodland than those in small patched woods.However,the species richness and evenness of the latter types of woods were higher than the former type.The similarity index of the two community types was 0.41.Both population structures of the two community types possess a degraded pattern with only a few seedlings and saplings.The soil fertility was similar to the surrounding shrubland and grassland,but they were higher than the soils of the neighboring Litchi orchard and plantations.

Key words: Lysidice brevicalyx, floristic composition, population, species diversity, Dongguan City

CLC Number:

S718.54

HUANG Chuanteng, GAO Zhongwang, CHEN Zhenquan, ZHENG Mingxuan, XIONG Jilin, ZHUANG Xueying. Population and Community of Lysidicebrevicalyx in Dongguan City,Guangdong Province[J]. FOREST RESOURCES WANAGEMENT, 2011, (6): 45-48.

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