译 名：
Economic Analysis on Artificial and Natural Restoration of Alpine Grassland with Different Degenerations
作 者：
Zhou Mao-cuo,Zheng Jian-zong(1.Grassland Station for Xinghai County,Qinghai 813300,China;2.Grassland Station for Haixi Prefecture,Qinghai,China)
关键词：
degeneration grassland;restore;economy
摘 要：
According to the grassland vegetation community development law,using mathematics and statistics,input-output method,natural regeneration and artificial restoration economic benefits and benefit comparison alpine meadow grassland with different degradation status were made,the data showed:in recovery from severe to moderate,the artificial restoration had higher efficiency;While in recovery from moderate to mild,natural recovery had a higher efficiency,which provided reliable basis for the sciencific decision-making of grassland construction.
