广西人工林保育土壤服务功能价值评估——以斯道拉恩索原料林基地为例

Estimating Forest Ecosystem Service Function of Soil Conservation in Guangxi——Taking Stora Enso's Raw Material Forest Base as Example

文章结合样地调查方法和Kriging空间插值方法,研究了斯道拉恩索原料林基地森林保育土壤服务功能及其价值。研究发现,研究区森林年固土量为797564 t/年,其价值为837.44万元/年;林分年保肥价值量为13.173亿元/年,其中,林分年减少的有机质流失量价值为13.05亿元/年,林分年减少的总氮流失量价值为1179.4万元/年,林分年减少的钾流失量价值为41.39万元/年,林分年减少的磷流失量价值为9.65万元/年。

This paper used the plot survey method and the spatial interpolation method of Kriging to estimate the value of the forest ecosystem service function of soil conservationin Stora Enso＇s raw material forest base. The results showed that the amount of soil loss reduced by forest is 797564 t/a, and the value of it is 8.3744 million yuan per year. The value of soil fertility conservation is 1.3173 billion yuan per year, and this value includes four parts：the value of soil organic matter conservation is 1.305 billion yuan per year, the value of soil nitrogen conservation is11.794 million yuan per year, the value of soil potassium conservation is 0.4139 million yuan per year, and the value of soil phosphorus conservation is 96500 yuan per year.