Calculation for economic and ecological benefits of yak and sheep fattening in shed in Changjiang-Yellow Rivers Source Region-A case study from Maqin County,Qinghai Province
江河源区牛、羊舍饲育肥经济与生态效益核算—以青海省玛沁县为例

Changjiang-Yellow Rivers Source Region is an important strategic plac e of eco-environment protection in China.Sheep and yak fatteni ng in shed for sh ortening the duration of livestock on hand can mitigate the grazing stress,prote ct the natural grassland,improve the herdsman capability of safeguarding livesto ck and living through the cold winter and increase their net income.The economic and ecological benefits of yak and sheep fattening in shed in Changjiang-Yello w Rivers Source Region are calculated and the results show that the net incomes of yak and sheep fattening in RMB are 256.5 yuan/yak and 34.25 yuan/sheep,and the economic values of ecological b enefits in RMB are 15953.31 yuan/yak and 5301.85 yuan/sheep per year respectively.