Study 0111 the benefit value of ecosystem in Hexi corridor region of China
我国河西走廊生态系统效益价值研究

Incorporating the ecological value into socioecon omic accounting syste m,the calculation shows that the benefit value of ecosystem in Hexi corridor re g ion land of China is 20.79 billion Yuan per year,being 1.11 times of the GDP of 18.803 billion Yuan in Hexi corridor region in 1997,among which the total forest ecosystem benefit value accounts for 2.368 billion Yuan per year,being 11.3 9% of the total ecosystem benefit and the grassland ecosystem benefit value is the hig hest,accounting for 79.49% of the total ecosystem benefit,the benefit value of oasis ecosystem is quite low,manifesting the fragility of oasis ecosystem.