广州南沙湿地鸟类群落组成、多样性和保护策略

采用系统抽样技术和样带法，对广州南沙地区湿地鸟类群落进行了研究，共记录到95种，隶属15目34科68属。国家Ⅱ类保护种类11种，广东省重点保护鸟类16种。东洋界鸟类44种，古北界种类41种，广布型种类10种。鸟类群落多样性以近岸及海岸湿地最高，多样性指数3．4250，均匀性指数0．8711。南沙地区湿地鸟类资源丰富，分析了鸟类的重要性和稀缺性，开发建设必须正确处理湿地鸟类保护的关系，实现生态环境可持续发展，并提出厂相应的保护措施。

Structure and diversity and protective strategies of bird community in Nansha wetland,Guangzhou

The bird community in Nansha wetland, Guangzhou, was studied from October 2002 to March 2003 with the systematic sampling and line transects. The results show that there are 95 species, belonging to 15 orders, 34 families and 68 genus. They in-clude 11 species of national second-class protected birds and 16 species of provincial protected birds. 44 species belong to Oriental Realm, 4l of Palaeartic Realm and 10 of widespread species. The diversity index of bird community was higher in sea coast wetland (3.425 0).There are substantial wetland bird resources in Nansha district. On the basis of investigation of the wetland bird resources, the importance and rarity of birds in the wetland were studied. Therefore, the relationship between utilization and conservation of wetland birds should be properly settled to further the sustainable development of environment. In the end, the protected counter-measures for the wetland bird conservation were put forward.