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生态学杂志 ›› 1995, Vol. ›› Issue (5): 31-35.

• 研究报告 • 上一篇    下一篇

西藏一江两河地区农户生态系统农田能流和物流数量特征

王建林   

  1. 西藏农牧学院, 林芝860000
  • 收稿日期:1994-06-29 修回日期:1994-10-22 出版日期:1995-10-10

Quantitative Characteristics of Energy Fl ow and Nutrient Cycling in Househol d Ecosystems along Three Rivers in Tibet

Wang Jian lin   

  1. The Tibetan College of Aqriculture and Animal Husbantry, Linzhi 860000
  • Received:1994-06-29 Revised:1994-10-22 Online:1995-10-10

关键词: 球孢白僵菌, ISSR, 遗传多样性, 种群遗传结构

Abstract: Quantitative characteristics of energy flow and nutrient cycling in household ecosystems along three rivers in Tibet were studied.The results showed that system input and output were low,but the rations of output to input of subsidiary energy,nitrogen and phosphorus were as high as3.87,1.02,and 1.07,respectively.

Key words: Beauveria bassiana, ISSR, genetic diversity, population genetic structure.