长白山自然保护区森林生态系统间接经济价值评估

 使用市场价值法、影子工程法、机会成本法和替代花费法等对长白山自然保护区森林牛态系统的功能价值进行了经济评估评价结果表明，保护区总的生态功能价值为176465.94万元，其中活立木生产量价值10777.43万元，涵养水源价值69741.2万元，保护土壤减少侵蚀的价值2307.02万元，固碳以减缓温室效应的价值87716．6万元，林分持留N、P、K分价值4338．88万元，降解SO₂和防治病虫害价值1584.73万元

A valuation study on the indirect values of forest ecosystem in Changbaishan Mountain Biosphere Reserve of China.

In this paper, the market valuation method, shadow engineering method, opportunity cost method and substitute expense method are used to value the functions of the forest ecosystem of Changbaishan Mountain Biosphere Reserve. The valuation results reveal that the total ecological function value of the nature reserve in 1996 is estimated up toabout 1,765 million yuan (Chinese RMB) per annum. of which. about 108 million yuan is of the output of standing trees,about 697 million yuan of water conservancy, about 23 million yuan of soil conservation to control erosion, about 877million yuan of carbon fixation for reducing green house effect, about 43 million yuan of nutrient retention for N, P andK, and about 16 million yuan of SO2 degradation and control of diseases and pests.