Study on the dynamics of Bird Diversities of Mangroves in Nanshan,Guangzhou City

In order to study the dynamics of bird diversity in Nanshan mangroves,Guangzhou City,bird counts were conducted in January(winter),April(spring),July(summer) and October(autumn).The mangroves(Sonneratia.spp.) are dominant in this mangrove wetland.Based on the survey data,the indice of bird diversity were measured.The results showed the indice of diversity were 3.051,2.6314,2.6867 and 3.0382 in January,April,July and October which showed a clear seasonal variation in this wetland.Nanshan mangroves region plays an important role as bird breeding and wintering habitat in Guangzhou City.It indicates that restoration of mangroves is significant for conservation of bird diversity.