摘要
调查了哈素海雁鸭类的生态习性.结果表明,哈素海雁鸭类共计8属20种,其中旅鸟17种,夏候鸟3种;春季迁来和秋季迁离时间集中在3月中下旬和11月中旬,春季迁来和秋季迁离持续时间较长;春季路过但秋季不路过哈素海的物种有针尾鸭等5种,春季和秋季均路过的物种有赤膀鸭等14种,秋季路过的只有大天鹅1种;春季种群数量明显多于秋季的物种有罗纹鸭等5种,但绿头鸭等9种的种群数量变动不明显,基本保持稳定.
The ecological habits of the wild goose and duck in Hasuhai lake were studied.According to the results of investigation,there are 20 species of the wild goose and duck which belongs to eight genera. These birds can be divided as 17 species of passing bird and 3 species of migratory bird. They move in in March and move out in November and there is a long time between moving out in Spring and moving in in Autumn.There are 5 species of birds such as Anas acuta to pass through only in Spring.and there are 14 species of birds such as Anas strepera to pass through both in Spring and Autumn.Cygnus is the only one species of birds who pass through in Autumn.However,there are 9 species of birds such as Anas platyrhynchos have no changes in quantities.
出处
《内蒙古师范大学学报(自然科学汉文版)》
CAS
2003年第1期60-64,共5页
Journal of Inner Mongolia Normal University(Natural Science Edition)
基金
内蒙古师范大学青年科研基金资助项目(QN9912)