沈阳獾子洞湿地白鹤及其停歇地生境调查

Survey of Resting Habitat of Siberian Crane in Huanzidong,Shenyang

獾子洞湿地位于沈阳市法库县境内,近年来,由于生态环境的改善,大批白鹤在此停歇,该处已经成为重要的白鹤迁徙通道。2005年秋～2007年秋,笔者在沈阳獾子洞湿地设了5个观察点,并综合结合獾子洞湿地野生动物疫源疫病监测点的监测数据,对迁徙停歇的白鹤及其停歇地进行了观察。结果认为水是白鹤选择中途停歇地的重要生态因子,水位的高低和食物的丰富度都直接影响着白鹤对停歇地的选择,2007年,獾子洞湿地水量较小,而距此40 km的卧龙湖省级自然保护区水位较低,适宜取食,有500多只白鹤停歇。

Huanzidong wetland was located in Faku County, Shenyang.In recent years, its habitat became to be an important resting site on the migratory pathway of Siberian cranes due to improvement of its environmental conditions. In the survey from Autumn 2005 to Autumn 2007, 5 monitoring sites were set in the wetland for observation of white cranes, resting there during migration, and the habitat was also surveyed, with consideration of monitoring data on wildlife diseases in the wetland. Data indicated that water conditions, such as water depth and food in water, were important ecological factors for their resting site selection. In 2007, quantity of water in the wetland was rather small, yet in Wolong lake, a provincial nature reserve 40 km away, the water level was rather low, suitable for feeding of cranes, so about 500 white cranes selected this habitat to rest in migration.