西北师范大学学报（自然科学版）Issue(3)：112-118,7.
甘肃省退耕还林工程生态效益评估
Evaluation of ecological effects of the project of conversion of cropland to forest in Gansu Province
摘要
Abstract
The ecological effects of the project of conversion of cropland to forest of Gansu Province was assessed with the distributed measurement method . The results show that the total ecological effects value of the project of conversion of cropland to forest of Gansu Province is 84.894 billion yuan annually . The total ecological effects value of the project of conversion of cropland to forest of Gansu Province in 2013 is far more than the total investment from 1999 to 2015 . The order of the ecological effects value of 6 ecological services from large to small is water conservation , soil conservation , carbon fixation and oxygen released , biodiversity protection , atmosphere environmental purification , nutrient accumulation . The order of the ecological effects value of different cities of prefectures is Pingliang , Qingyang , Longnan , Tianshui , Dingxi , Baiyin , Linxia , Zhangye , Lanzhou , Jiuquan , Wuwei , Gannan , Jinchang and Jiayuguan . Evaluation results truly reflect achievement of the project of conversion of cropland to forest of Gansu Province , w hich show that the project of conversion of cropland to forest of Gansu Province has obtained the good ecological effects .关键词
甘肃省/退耕还林工程/生态效益/评估Key words
Gansu Province/project of conversion of cropland to forest/ecological effect/evaluation分类
农业科技引用本文复制引用
王红霞,王雪松,王兵,李保玉,牛香..甘肃省退耕还林工程生态效益评估[J].西北师范大学学报（自然科学版）,2015,(3):112-118,7.基金项目
国家林业公益性行业科研专项资助项目 （）
