贺兰山地区冬季鸟类物种多样性调查

2006年和2007年的11～12月,采用固定样线统计法连续2 a对贺兰山地区冬季鸟类组成进行了调查。共记录鸟类7目17科72种,约占全国鸟类种数(1 319种)的5.46%,占宁夏鸟类种数(320种)的22.50%。在地理区划上,古北界鸟类61种,占该地区鸟类种数的84.72%;广布种类11种,占15.28%;未观测到东洋界鸟类。其中,留鸟51种,占70.83%;冬候鸟11种,占15.28:旅鸟10种,占13.89%。具有明显集群生活方式的有41种,占56.94%。山地草原带出现的鸟类种类最多,有40种,其次是山地疏林草原带和山地针叶林带,分别有34种和35种,亚高山灌丛和草甸带最少,仅有5种。贺兰山冬季有国家Ⅰ级重点保护野生鸟类3种,有国家Ⅱ级重点保护野生鸟类14种。

Diversity Survey of Birds in Winter in Helan Maintains

From November to December 2006 and 2007,bird population in Helan Mountains was surveyed by the transect lines method.72 species,7 orders and 17 families of birds were recorded,5.46% of national avifauna,22.50% of bird species in Ningxia Hui Autonomous Region;61 species of palaeartic realm,11 species of wide distribution but none of oriental realm;51 resident species,11 winter resident species,10 traveler species;41 species lived in group;40 species lived in montane grassland,34 species in montane savanna,35 in montane conifer and only 5 species in alpine shrub meadow;3 species listed in category 1 of national protected bird list,14 in Category 2.