涪陵区春季鸟类群落及其对于区域生态保护的意义

按照生境特征分为水域、次生林、居民点和农田4种鸟类群落,于2006-2008年采用样线法对涪陵区春季鸟类进行了调查.结果表明,春季共记录到鸟类96种,重要值高的鸟类(200≤IV≤300)4种,广布型鸟类38种.次生林鸟类群落的物种数和Shannon-Wiener指数均最高;水域、水域-农田、次生林-居民点鸟类群落的均匀性指数(Pielou指数)、Jaccard相似性指数、Co-sine相似性指数分别最高.农业生产结构的不合理性和工业污染是影响涪陵区鸟类的主要因素,提倡执行"天然林保护工程".

Spring avian community characteristics in Fuling and its ecological perspective for regional reserve

By the method of line transect, a bird survey was conducted in Fuling, Chongqing China, in the springs during 2006-2008.According to the habitat characteristics, the avian communities were classified into four catalogues: water area community, secondary forest community, residential area community, and farmland community.A total of 96 bird species was recorded, including 4 species with important values from 200 to 300 and 38 widely distributed ones.The secondary forest habitat has the highest species richness and index of Shannon-Wiener.Avian communities in the water area, water area-farmland, and forest-residential area have the highest Pielou index, Jaccard index, and Cosine index, respectively.Impacts affecting birds in Fuling arise mainly from the irrational agriculture configure and industrial pollution.The study suggested that Natural Forest Protection Projects should be advocated and practiced.