摘要
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（西藏农牧学院林芝８６００００）ＱｕａｎｔｉｔａｔｉｖｅＣｈａｒａｃｔｅｒｉｓｔｉｃｓｏｆＥｎｅｒｇｙＦｌｏｗａｎｄＮｕｔｒｉｅｎｔＣｙｃｌｉｎｇｉｎＨｏｕｓｅｈｏｌｄＥｃｏｓｙｓｔｅｍｓａｌｏ...
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。
出处
《生态学杂志》
CAS
CSCD
北大核心
1995年第5期31-35,共5页
Chinese Journal of Ecology
关键词
农业生态系
农户生态系
农田
能流
物流
Tibet,household ecosystem,energy flow,nutrient cycling。
