The Loess Plateau Ecosystem Services Value Assessment—in Qingyang City as an Example

Abstract

Evaluate ecosystem service value, Make its evaluation contents included in the national economic accounting system, correcting gross domestic product (GDP),is a good way to promote the sustainable development of regional economy, The author use the ecosystem services value evaluation methods provided by Costanza et al, and the Chinese land ecosystem service value per unit area basis when scale provided by Xie Gaodi et al, estimate and comparatively analyze the ecosystem services value of Qingyang from 2002 to 2012. The results show that the ecosystem service value of Qingyang is RMB 19.165 billion in 2002, reduced to $18.814 billion by 2012, the ecosystem services value has dropped by 351 million yuan in 11 years. Among them, the decrease of scrub-grassland and river area is the main reason for decline in value of ecosystem services of Qingyang.