Seasonal migration is another form of escape, especially for large mammals or birds.
季节性迁徙是另一种逃避方式,特别是对大型哺乳动物或鸟类来说尤为如此。
The young birds live with their parents until winter, then the family makes its seasonal migration.
雏鸟出壳后,跟随亲鸟生活,直到冬天。
Bird banding is one of the important means to research the seasonal migration of birds, and is an effective method in researching the faunas, ecology and morphology of birds.
环志是研究鸟类季节性迁徙的重要手段之一,同时也是研究鸟类区系、生态学、形态分类学等的有效方法。
The main impacts on seasonal migration of Tibetan antelopes were physical barrier of the infrastructure, human activities, un-cleared land surface, un-recovered vegetation, traffic flow and so on.
观测结果显示,目前对藏羚迁移的主要干扰因素为:交通设施自身的屏障作用、人为活动、公路交通流量、未清理施工现场及未恢复植被等。
Their lifestyle is semi-nomadic, and the movements are somewhat seasonal, having to do with the migration of some prey animals, and the gathering of certain plants and fruits.
他们的生活方式类似于半游牧,而且甚至还跟猎物迁徙和特定果实的成熟季节有关。
On the basis of migration of seasonal frozen soil, simulates the Yellow River Source Region's runoff by snowmelt runoff model and tank model.
根据流域特点,在考虑季节性冻土的运移状况下,采用融雪径流模型与水箱模型相结合的方法,在整个黄河源区进行模拟。
On the basis of migration of seasonal frozen soil, simulates the Yellow River Source Region's runoff by snowmelt runoff model and tank model.
根据流域特点,在考虑季节性冻土的运移状况下,采用融雪径流模型与水箱模型相结合的方法,在整个黄河源区进行模拟。
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