| 延安市退耕还林生态效益评价 |
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| 引用本文： | 仝小林,马丽,毕俊国,郝文芳,梁超.延安市退耕还林生态效益评价[J].江西农业学报,2009,21(2). |
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| 作者姓名： | 仝小林 马丽 毕俊国 郝文芳 梁超 |
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| 作者单位： | 1. 陕西省延安市退耕还林工程办公室,陕西,延安,716100
2. 西北农林科技大学,生命学院,陕西,西安,712100 |
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| 基金项目： | 陕西省自然科学基金，西北农林科技大学科研专项基金，中国科学院西部之光人才培养项目 |
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| 摘 要： | 以延安市为研究区域,调查了延安市自1999年实施退耕还林工程9年来所取得的生态效益,并对生态效益进行了价值评估。研究结果表明,延安市退耕还林工程的实施极大地改善了生态环境。该工程所取得的涵养水源效益、净化空气和保护生物多样性效益随着退耕年限的增加而逐年增加。
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| 关 键 词： | 退耕还林 生态效益 评价 延安市 |
Evaluation of Ecological Benefits of Returning Farmland to Forests in Yan'an City |
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| TONG Xiao-lin,MA Li,BI Jun-guo,HAO Wen-fang,LIANG Chao.Evaluation of Ecological Benefits of Returning Farmland to Forests in Yan'an City[J].Acta Agriculturae Jiangxi,2009,21(2). |
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| Authors: | TONG Xiao-lin MA Li BI Jun-guo HAO Wen-fang LIANG Chao |
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| Institution: | 1.Office of Returning Farmland to Forests of Yan'an City;Yan'an 716100;China;2.College of Life;Northwest Agricultural and Forestry University;Xi'an 712100;China |
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| Abstract: | In this paper,we investigated the ecological benefits of returning farmland to forests conducted since 1999 in Yan'an city,then we evaluated the value of ecological benefits.The results indicated that the project of returning farmland to forests had improved the eco-environment greatly.The benefits of self-restraining water source,cleaning air and protecting bio-diversity were increased along with the increase of years of reforestation. |
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| Keywords: | Returning farmland to forests Ecological benefits Evaluation Yan'an city |
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