深圳福田红树林湿地鹭科鸟类群落生态研究

The Community Ecology of Herons(Ardeidae) in Futian Mangrove Wetland,Shenzhen

１９９２～１９９７年，对深圳福田红树林湿地鹭科（Ａｒｄｅｉｄａｅ）鸟类进行连续观测调查研究，结果如下：共有１４种，隶属于８属，其中２种为国家二类保护鸟，１０种为当地繁殖鸟；鹭科鸟类数量逐年显著减少，至１９９７年，已减少６９４５％；鹭科鸟类数量周年变化，每年２～４月数量开始增加，５月达到高峰值，６～７月数量明显减少，８月～翌年１月数量相对稳定．

The investigation and study of Herons(Ardeidae) had been made from 1992 to 1997 in Futian Mangrove Wetland,Shenzhen.The results are as follows:14 species,which belong to 8 genera,were recorded,in which 2 species are second ranked protected birds in China.In the regional distribution,57%(8 species) belong to the Oriental species,and 36%(5 species) belong to widespread species,and 7%(1 species) belong to the Palaearctic species.The number of Herons showed an putstanding tendency to drop down year after year.Comparing 1992 with 1997,the Herons number had cut down by 69 45%.The number of Herons community showed changes around .From Feb to Mar ,the number began to increase and then the number peaked in May.During Jun to Jul ,the number remained stable.From Aug to Jan next year,the number decreased evidently.The diversity and annual dynamics of Herons were analyzed.