The results showed that there were 18 species of natural enemies in the communities. The highest coefficientofcommunity similarity was 95.12%, and the lowest coefficient was 73.86%.
The minimum sampling area of a major plant community in Meiziya Region was studied by using methods of species area curves and communitycoefficient area curves.
用种面积曲线和群落系数面积曲线的方法对宜昌梅子垭地区一种主要植物群落类型的最小面积进行了研究。
3
Equity ofcommunity health resources distribution was evaluated by Gini coefficient, which calculated with data ofcommunity health service organizations collected by health Bureau of Fujian in 2004.