摘要
通过数量分布的比较,对西藏牦牛的历史记载、体尺体重、生理指标、类群形成与生态环境的关系进行了研究,为保存牦牛的优良类群和生长繁育规划提供了科学依据。
Passing through the Comparision of amount distribution Studied on Tibet Yak with their historical record,body measurement and weight,biological index and the ralations between formation of variety population and ecological enviroment.And provided scientific basis for preserving fine variety population of yak and planning their growth and breeding.
关键词
西藏
牦牛
类群
生态环境
变异
Tibet
Variety population of yak
Ecological enviroment