摘要
1986—1988年的3—5月间,在黑龙江省林甸县对白枕鹤的领域进行了研究。三年中,对8个巢的领域研究结果表明,白枕鹤多年连续利用同一领域,占据的最大领域面积为10.7平方公里,平均不超过7.0平方公里,并随繁殖过程而缩小,至雏期活动和防御范围只有1.5平方公里左右。多数白枕鹤的领域内包括一片耕地为固定觅食区,但小于无耕地的领域面积。
The territories and territorial behavior of Grus vipio were studied in Lin-dian County of Heilongjiang province from March to May, 1986-1988. Eight territories were investigated. The result shows that each breedingpair have, successively occupied the same territory for many years. During pre-incubation, the average size of territory is 7.0 km. on the proceeding of breeding of most period, the size of the territory were gradually reduced to 1.5 square km. not until nestling period. The territories of most of the cranes include a little crop fiel as fixed foraging field, which are smaller than the territories not containing crop field.
关键词
白枕鹤
领域
White-naped Cranes, Territory
