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生态学杂志 ›› 1988, Vol. ›› Issue (5): 41-45,49.

• 专论与综述 • 上一篇    下一篇

陕西省驴的品种形成及其生态变异规律初探

段彦斌, 张瑞雪   

  1. 陕西省榆林地区畜牧局
  • 收稿日期:1987-04-03 修回日期:1987-06-15 出版日期:1988-10-10

Breed Formation and It's Ecological Variation Patterns of Ass in Shanxi Province

Duan Yahbin, Zhang Ruixue   

  1. Animal Husbandry Bureau of Yulin prefecture, Shanxi province
  • Received:1987-04-03 Revised:1987-06-15 Online:1988-10-10

关键词: 放牧, 光合作用, 呼吸作用, C, N

Abstract: Through comparing the quantitative distribution, formation history, body size, weight and blood physiological indexes among three ass breeds in Shanxi province, the variation patterns of ass breeds in different eco-environments were discussed, which provided scientific basis for the future preservation of fine ass breeds and the designing of breeding zones.

Key words: Grazing, Photosynthesis, Respiration, Carbon, Nitrogen