[1]李加林,童亿勤,杨晓平,等.杭州湾南岸农业生态系统土壤保持功能及其生态经济价值评估[J].水土保持研究,2005,12(04):202-205.
　LI Jia-lin,TONG Yi-qin,YANG Xiao-ping,et al.Soil Conservation of Agro-ecosystems and Its Eco-economic Value in South Coast of Hangzhou Bay[J].Research of Soil and Water Conservation,2005,12(04):202-205.
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杭州湾南岸农业生态系统土壤保持功能及其生态经济价值评估

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 12 期数: 2005年04期 页码: 202-205 栏目: 出版日期: 1900-01-01
Title:
Soil Conservation of Agro-ecosystems and Its Eco-economic Value in South Coast of Hangzhou Bay
作者:
李加林1,2, 童亿勤2, 杨晓平2, 许继琴3, 张殿发2
1. 中国科学院地理科学与资源研究所全球变化信息研究中心, 北京, 100101;
2. 宁波大学人居环境研究所, 浙江, 宁波, 315211;
3. 宁波大学商学院, 浙江, 宁波, 315211
Author(s):
LI Jia-lin1,2, TONG Yi-qin2, YANG Xiao-ping2, XU Ji-qin3, ZHANG Dian-fa2
1. Global Change Information and Research Center, Institute for Geography and Natural Resources, CAS, Beijing 100101, China;
2. Institute of Human Inhabiting Environment, Ningbo University, Ningbo 315211, China;
3. College of Commercial Science, Nin
关键词:
土壤侵蚀; 土壤保持; 通用土壤流失方程; 杭州湾南岸
Keywords:
soil erosion; soil conservation; USLE; south coast of Hangzhou bay
分类号:
S157;S181
摘要:
文章运用土壤通用流失方程（USLE）研究了杭州湾南岸农业生态系统的土壤保持功能，并评价了其经济价值。研究表明，由林地、水田和旱地组成的杭州湾南岸农业生态系统的土壤保持量为5.67×105t/a，其经济价值为20.35×105元/a，其中减少土壤废弃的经济价值为12.33×105元/a，保持土壤养分价值为4.92×105元/a，减少泥沙淤积价值为3.10×105元/a。
Abstract:
Based on the Universal Soil Loss Equation (USLE), the authors analyse the function for soil conservation of agro-ecosystems and its eco-economic value in south coast of Hangzhou bay.The results indicate that the quantity of soil conservation in research area is 5.67× 105 t/a.The total economic value of soil conservation was estimated to be 20.35× 105 yuan/a.The economic value of reduction of soil disuse, protection of soil fertility and decrease of soil deposit are 12.33× 105 yuan/a, 4.92× 105 yuan/a and 3.10× 105 yuan/a, respectively.

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备注/Memo

收稿日期:2004-9-24
基金项目:宁波市社科规划课题（G2004A11）；宁波市科技局项目（2002C10026）；浙江省社科联年度课题（03N55）
作者简介:李加林（1973- ），男，浙江台州人，博士后，主要从事全球变化信息和海岸带开发研究。

更新日期/Last Update: 1900-01-01