达赉湖保护区鸟类多样性研究

Diversity of Birds in Dalaihu Nature Reserve

2007年3～11月,在达赉湖自然保护区4个管护站周边地区,利用样带调查,记录鸟类种类和数量,分析鸟类多样性。本次调查共记录鸟类103种,隶属于14目31科。其中,非雀形目鸟类74种,占总种类数的71.8%,雀形目鸟类29种,占总种类数的28.2%,非雀形目鸟类中尤以水禽占有较大比例,共有7目9科56种,为全部鸟类种数的54.5%,占总种类二分之一以上,反映出湖区的特点。该地区的鸟类α多样性水平较高(3.6);其中,乌兰诺尔的鸟类物种数、数量、多样性指数、均匀度指数均为最高。

Bird species diversity in 4 management and protection stations and their peripheral localities of Dalaihu Nature Reserve was surveyed with the sample belt method from March to November, 2007. 103 species, 31 families and 14 orders were recorded, among them Passeriformes 29 species, 28. 2% and non - Passeriformes 74 species, 71.8% , among non - Passeriformes, 56 species, 9 families and 7 orders were waterfowls, 54. 5% showing the specialty of the lake region, A diversity of this region was rather high, 3.6 and the species number, population number, diversity index and evenness index were the highest in Ulannur management and protection station.