北京西卓家营湿地改造后鸟类调查初报

A Preliminary Study on Bird Resources in Xizhuojiaying,Beijing after Wetland Restoration

2008年9月～2010年3月对北京市延庆县湿地改造工程结束后的西卓家营湿地先后进行了4次鸟类资源调查，共发现鸟类12目22科36属51种。其中留鸟15种、夏候鸟16种、旅鸟15种、冬候鸟5种。国家Ⅱ级保护动物9种，分别为大天鹅Cygnas cygnus、燕隼Falco subbuteo、红隼F.tinnunculus、灰背隼F.columbarius、猎隼Fcher-rug、鹗Pandionhaliaetus、黑耳鸢Milvuslineatus、白尾鹞Circus cyaneas和灰鹤Grus grus。该湿地以喜鹊Picapica、树麻雀Passer montanas、灰斑鸠Streptopelia decaocto等农田鸟类为优势种，水鸟种类虽然有21种，但种群数量均比较小，这可能与西卓家营湿地水域面积较小及植被隐蔽条件较差有关。

From September 2008 to March 2010, 4 surveys on bird resources in Xizhuojiaying, Yanqing county, Beijing were conducted after the wetlands were restored. A total of 51 bird species, belonging to 36 genera, 22 families, 12 orders, were recorded in this area. Of them, 15 species were residents, 16 summer migrants, 15 travelers, and 5 winter migrants. 9 species including the whooper swan Cygnus cygnus, Eurasian hobby Falco subbuteo, common kestrel F. tinnunculus, merlin F. columbarius, saker falcon F. cherrug, osprey Pandion haliaetus, black-eared kite Milvus lineatus, hen harrier Circus cyaneus and common crane Grus grus were category Ⅱ national key protected animals： Farmland birds, including the magpie Pica pica, tree sparrow Passer montanus and Eurasian collared dove Streptopelia decaocto were dominant, whereas waterfowls, with a total of 21 species occurring in this wetland, accounted for a small part of the total population. This might be related to the shortage of open water coverage and enough plant shelters in this wetland.