节点文献
大天鹅迁徙规律初步观察
A Preliminary Observation on Migratory Regularity of Whooper Swan in Bayinbuluke
【摘要】 本文提供了大天鹅(Cygnus cygnus)早春迁来巴音布鲁克沼泽区的数量,习性及迁徙规律等。1992年最早迁来日期是3月19日,3月27日达到高峰。日迁徙高峰在夜里21:00—0:00。白天较少迁飞。迁徙途径主要是沿天山开都河河谷逆流而上。
【Abstract】 This paper deals with the number,habit and early spring migration of Whooper Swan (Cygnus cygnus)in Bayinbuluke. The first group of swans came to the area on March 19th, 1992 and up to the top of numbers on March 27th.The migrant top everyday was from 21:00 to 0:00 at night and a few in the day. Main migratory route of the swans was along the Kaidu River against the current in Tianshan Mountains.
【基金】 国家自然科学基金(39170119)
- 【文献出处】 干旱区研究 ,Arid Zone Research , 编辑部邮箱 ,1993年02期
- 【被引频次】5
- 【下载频次】261