[1]田耀武,黄志霖,肖文发,等.基于RS和GIS的退耕还林模式对三峡库区黑沟小流域生态服务价值的影响[J].水土保持研究,2010,17(03):97-100.
　TIAN Yao-wu,HUANG Zhi-lin,XIAO Wen-fa,et al.Effects of Conversion Cropland to Forest on Values of Ecosystem Services Based on RS and GIS in Heigou Watershed of Three Gorges Reservoir Area[J].Research of Soil and Water Conservation,2010,17(03):97-100.
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基于RS和GIS的退耕还林模式对三峡库区黑沟小流域生态服务价值的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 17 期数: 2010年03期 页码: 97-100 栏目: 出版日期: 2010-06-20
Title:
Effects of Conversion Cropland to Forest on Values of Ecosystem Services Based on RS and GIS in Heigou Watershed of Three Gorges Reservoir Area
作者:
田耀武1,2, 黄志霖2, 肖文发2, 赵连江3, 赵赴钧3, 艾晓影3
1. 河南科技大学 林学院, 河南 洛阳 471003;
2. 中国林业科学研究院 森林生态环境与保护研究所, 国家林业局森林生态环境重点实验室, 北京 100091;
3. 河南省禹州市水利局, 河南 许昌 461000
Author(s):
TIAN Yao-wu1,2, HUANG Zhi-lin2, XIAO Wen-fa2, ZHAO Lian-jiang3, ZHAO Fu-jun3, AI Xiao-ying3
1. Forestry College, He’nan University of Science and Technology, Luoyang, He’nan 471003, China;
2. Key Laboratory of Forest Ecology and Environment, State Forestry Administration China, Research Institute of Forest Ecology, Environment and Protection, Academy of Forestry, Beijing 100091, China;
3. Yuzhou Water Resources Bureau, He’nan Province, Xuchang, He’nan 461000, China
关键词:
退耕还林; 三峡库区; 生态服务价值
Keywords:
conversion cropland to forest; Three Gorges Reservoir area; ecosystem service value
分类号:
X171.4
摘要:
土地是各种陆地生态系统的载体，土地利用方式的变化必然影响生态系统的结构和服务功能。中国已采取退耕还林等多种措施来调整土地利用结构，提高生态系统功能。在Constanza生态系统服务价值理论基础上，结合有关中国陆地生态系统单位面积生态服务价值的研究成果，基于RS和GIS手段计算了三峡库区黑沟小流域在模式A（不实行退耕还林）、模式B（＞25°坡地退耕还林）、模式C（＞15°坡地退耕还林）等3种模式下流域尺度生态系统服务价值的变化。结果表明：与模式A相比，模式B耕地面积减少了20.3%，林地面积增加了66.9%，未利用地面积减少了34.8%，全流域生态服务价值增加了18.3%；模式C耕地面积减少了51.2%，林地面积增加了149.9%，未利用地面积减少了49.3%，全流域生态服务价值增加了38.7%；林地对生态系统服务价值的贡献最大。退耕还林工程的实施，在保护环境、治理水土流失等方面具有显著作用。
Abstract:
Land is the carrier of various terrestrial ecosystems, the change of land use cover would impact the structure and service function of ecosystem unavoidably. Several environmental protection policies have been implemented to increase the function of ecosystem in China. The objective of this study is to evaluate the long-term impact of implementation of the ‘conversion cropland to forest policy’ (CCFP) on the ecosystem service value at watershed level. With referring to the table of Chinese land ecosystem services value of unit area and analyzing the data of there scenarios of CCFP based on the RS and GIS in Heigou watershed of Three Gorges Reservoir area, changes of the values of ecosystem services caused by CCFP were estimated.There scenarios are constructed representing different patterns of conversion from cropland to forest under various conditions set by the CCFP. Scenario A represented the baseline, i.e., the cropland and forest area conditions before the implementation of CCFP. In scenario B and C, hillside cropland with slope larger than 25° and 15° was substituted by forest, respectively. The results showed that, comparing to Scenario A, the area of forest of Scenario B increased by 66.9%, and the areas of cropland no use land decreased by 20.3 and 34.8% respectively. The value of ecosystem service increased by 18.3%; The area of forest of Scenario C increased by 149.9%, the areas of cropland no use land decreased by 51.2% and 49.3% respectively. The value of ecosystem service increased by 38.7%. Values ecosystem services increased mainly resulted from the implementation of CCFP. It confirmed the benefits of implementing CCFP in increasing ecosystem service value by increasing forest area in mountainous areas.

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备注/Memo

收稿日期:2009-11-25。
基金项目:国家“十一五”科技支撑项目（2006BAD03A13）
作者简介:田耀武（1975- ），男，河南禹州人，博士，主要从事林业遥感的研究。E-mail：tianyaowu@126.com

更新日期/Last Update: 1900-01-01