Non-autonomous population dynamics model for single species with Allee effect affected by human activities and its application: A case study of red-crowned cranes Grus japonensis
人类活动影响下具有Allee效应的非自治种群演化模式的研制及其应用&以丹顶鹤为例
Spatial diversity index was cited to describe the wild life habitat pattern quantitatively. And the habitat pattern change of wild animals and red-crowned cranes ( Grus japonensis), as indicator species, between 1988 and 1998 was analyzed.
引用空间多样性指数(S d)对本区野生动物生境格局和指示物种丹顶鹤的生境格局进行了定量描述,并分析了其十年间的生境格局变化。
Light and electron microscopic observations on the gallbladder of Grus japonensis
丹顶鹤胆囊的显微观察
Research on artificial insemination and semen freezing and artificial hatching and starting in Grus vipio will promote the reproduction of the crane under artificial breeding.
对白枕鹤类的人工授精、孵化、育雏以及冷冻精液技术的研究,可促进人工饲养条件下鹤类的增殖和种群的繁衍。
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