甘肃阿克塞县境内黑颈鹤的种群数量与分布

Numbers and distribution of the Black-necked Crane(Grus nigricollis)in Akhsay,Gansu,China

从1998年春季至2012年,每年春夏至秋季,采用定时定点、固定样线法调查甘肃阿克塞县境内黑颈鹤(Grus nigricollis)的数量与分布。15年的调查和观察的结果表明,黑颈鹤的分布数量呈稳中有升的态势:黑颈鹤数量从1998年2只,至2012年32只。黑颈鹤分布也由原来的苏干湖周围的部分湿地扩展到整个花海子高原湿地和哈尔腾河湿地一带。

Investigation and observation the Black-necked Crane(Grus nigricollis)during spring,summer,and autumn every year from 1998 to 2012.The results of 15 years of investigation and observation shows that the number of the Black-necked Cranes was on an increasing and steady trend.The population of the Black-necked Cranes was only 2 in 1998 and had increased to 32 in 2012.The distribution of the Black-necked Cranes was originally in some parts of the wetlands around Sugan Lake and extended through all the wetlands and along the Harten River.