A STUDY ON THE POPULATION STRUCTURE AND LIFE TABLE OF BLUE SHEEP IN YUSHU AND GOLOG，QINGHAI PROVINCE

Abstract

Abstract: In this paper We have studied the size and composition of blue sheep (Pseudois nayaur) groups from 4470 individuals found in field．Of 2168 individuals Were classified by sex．and the ratio of adult female to adult male is 1:0.5，the ratio of young to adult female is 66:l00，yearling to adult female 31:100.
W d have gathered 54 male skulls died in field and determined the ages by growth rings of horns．According to the skulls，the survivalcurve and life tabe have been calculated.

Key words: Blue sheep, Population structure, Life table

摘要： 本文根据野外发现的4470只岩羊，就其栖息地、种群大小和年龄组成进行分析。在已分辨性别的2168只岩羊中，成年雌雄性比为1：0.5。此外，我们还利用54架自然死亡的雄性岩羊头骨，初步探讨年龄分布、存活曲线和生命表。

关键词: 岩羊, 种群结构, 生命表

REN Junrang, YU Yuqun. A STUDY ON THE POPULATION STRUCTURE AND LIFE TABLE OF BLUE SHEEP IN YUSHU AND GOLOG，QINGHAI PROVINCE[J]. .

任军让, 余玉群. 青海省玉树、果洛州岩羊的种群结构及生命表初探[J]. .

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A STUDY ON THE POPULATION STRUCTURE AND LIFE TABLE OF BLUE SHEEP IN YUSHU AND GOLOG，QINGHAI PROVINCE

青海省玉树、果洛州岩羊的种群结构及生命表初探

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