达里诺尔自然保护区鸟类区系组成及生态分布

Study on the Fauna and Ecological Distribution of Birds in Dalinuoer Nature Reserve

1999-2001年对内蒙古达里诺尔自然保护区的鸟类区系及生态分布进行了调查研究,共记录到鸟类190种，隶属于16目38科98属．其中留鸟25种，夏候鸟108种，旅鸟55种，冬候鸟2种；国家重点保护鸟类有36种．鸟类区系以古北界成分为主，具有东北区、蒙新区成分相互渗透的分布特征．该地区主要有湿地、草原、疏林灌丛和居民点4种生态环境．

The Fauna and ecological distribution of birds in Dalinuoer nature reserve of Inner Mongolia were investigated from 1999 to 2001. 190 bird species were recorded,which belong to 98 genera, 38 families, 16 orders. 25 species are residents, 165 species are migrants consisting of 108 summer migrants, 55 passing birds, 2 winter migrants. Among the birds, 36 species are national protected. The elements of Palaeoarctic realm play important roles in this avifauna and have some reciprocal permeation and intermediate characteristics of northeast and Mongo-xinjiang region. The findings indicated that wetland habitat is the centre of bird distribution area. There are 4 types of ecology environment in this area, incuding wetlands, grasslands, woods and bush, and residential area.