生态脆弱区生态经济服务价值计算分析——以甘肃省安定区2000-2001年为例

通过对生态经济服务价值相关研究的分析,结合生态脆弱区的实际,以甘肃省安定区为例,计算研究区2000-2001年的生态经济服务价值:当以平均值计算时,2000年区域生态系统服务总价值为3250.7×104美元,2001年为3275.97×104美元;以低值计算时,2000年生态服务价值为3114.95×104美元,2001为3135.43×104美元;以高值计算时,2000年生态服务价值为3390.08×104美元,2001为3419.9×104美元.计算表明:退耕还林、还草等生态政策的实施,增加了区域生态系统的生态资产,同时遏止了景观破碎化过程,防止了水土流失,而合理利用土地是恢复和提高区域生态系统服务功能的最有效途径.

The Calculating Analysis of Eco-Economy Service Value in Eco-Vulneribility Zone——Taking Anding Region in 2000-2001 of Gansu Province as Example

Combining the realistic condition of eco-vulneribility,through analysing the correlated research of eco-economy service value,taking Anding Region in 2000-2001Gansu Province as example,the paper calculats the eco-economy service value of 2001-2002 in reserch region:when calculating by mean,the total value of eco-economy service in 2000 is 3.2507 million dollar,3.27597 million dollar in 2001;when calculating with low value,the total value of eco-economy service in 2000 is 3.11495 million dollar,3.13543 million in 2001;when calculating with high value,the total value of eco-economy service of 2000 is 3.39008 million dollar,2001 year is 3.4199 million dollar.The calculating value demonstrates that:implementing of degenerating farmland to forest and grass policy adds ecologica asset of regional eco-system,and holds back landscape crash process,and resonable using land is an effective way of inmproving service function of regional eco-system.