摘要
黄河三角洲国家级自然保护区是鹤类重要的迁徙中转站,在鹤类保护中具有重要意义。在中国9种鹤类资源中,保护区有7种。2006年鹤类南迁期,作者于10月初至12月初,采用定点观察法,对保护区内的鹤类进行观察,并对鹤类南迁的迁徙规律进行分析。
Yellow river delta is an important transit spot of migration of cranes to south.Among nine crane species in China, seven species fly through this region in their migration.During their migration period to south, from early October to early December, crane behavior was observed at fixed spots in the nature reserve. In this article, data observed was analyzed.
关键词
黄河三角洲
鹤
迁徙规律
Yellow river delta
Crane
Migration behavior