东洞庭湖湿地野生鸟类资源调查研究

根据在东洞庭湖湿地实地实时调查,共鉴定鸟类2 172只,合计23种,隶属6目14科;东洋界鸟类7种,古北界鸟类1种,广布种鸟类15种,在区系上以东洋界鸟类为主;冬候鸟、留鸟分别为16种、7种,在居留型上,主要以冬候鸟居多。该区鸟类平均密度为158.9只/hm2,多样性指数为2.426467,均匀性指数为0.773871。多年来由于自然因素以及人类不合理的开发利用活动,东洞庭湖湿地野生鸟类资源面临许多生态威胁;指出了东洞庭湖湿地野生鸟类资源面临的生态问题,并提出了相应的保护对策。

Investigation and research of feral bird resources in wetland of East Dongting Lake

The bird resources in East Dongting wetland are very plentiful.According to the information of fieldwork and real time,2 172 birds were determined,23 species of 6 orders within 14 families were recorded.7 species are oriental birds,one is palearctic bird and 15 species are wind-ranging birds,oriented bird was cardinal in fauna.There are 16 kinds of winter resident and 7 kinds of resident,winter resident was the majority in resident.The total average density of birds is 158.9/ hm2 in the area,diversity index of bird was 2.426467 and evenness index was 0.773871.There existing a lot of ecological problems and ecological threatens of feral bird resources of the wetland of East Dongting Lake,which are resulted from nature for a long time.Therefore,the developing of wetland in East Dongting Lake feral bird resources existing problems on the protection,and then the countermeasures of wetland feral bird resources protection.