【摘要】 利用他人已有研究成果和保护区观测资料,对牛背梁自然保护区内羚牛种群分布范围及其变化情况进行了研究分析。结果显示,区内羚牛种群的分布范围在逐渐扩大。自1998年以来,羚牛分布面积扩大了9.30km2,水平分布范围向东扩展了4.5km,最低分布海拔高度下降了200m,羚牛冬季栖息地数量增加了1块,冬季栖息地总面积增加了15.75km2。更多还原

【Abstract】 Golden Takin(Budorcas taxicolor bedfordi)distribution range and changes were analyzed based on the observation materials and literature.The results showed that the Takin distribution range gradually expanded.Since 1998,the Takin distribution area increased by 9.30 km2 and the horizontal distribution range extended by 4.5 km to the east,with the minimum altitude decreased by 200 m.Thee number of Takin winter habitat increased 1 patch,with winter habitat area increased by 15.75 km2.更多还原