HAO Shi-long,LI Chun-jing,LI Bi-cheng.Assessment on Mass and Value for Agro-ecosystem Services in Loess Hilly and Gully Region[J].Research of Soil and Water Conservation,2010,17(05):163-166,171.
黄土丘陵沟壑区农业生态系统服务的物质量及价值量评价
- Title:
- Assessment on Mass and Value for Agro-ecosystem Services in Loess Hilly and Gully Region
- Keywords:
- Loess hilly and gully region; agro-ecosystem; mass; value
- 分类号:
- S181
- 摘要:
- 黄土丘陵沟壑区农业生态系统服务功能对区域环境具有重要意义。以固原市上黄试区为例，采用物质量及价值量的评价方法，对上黄试区农业生态系统服务功能进行了评价，结果表明：1982年，上黄试区农业生态系统服务的物质总量为959.1 t，其中农作物物质总量达600.9 t，占总物质量的62.7%，到2005年农业生态系统服务物质总量达到2 851.9 t，增长了197.35%，其中农作物、森林、牧草及果业的物质量分别为689.4，449.3，1306.3，406.9 t。1982年农业生态生态系统服务的价值总量为15.86万元，其中农作物为12.70万元，占总价值量的80.07%，2005年农业生态系统服务的价值总量为127.61万元，其中农作物、森林、牧草及果业的价值量分别为29.11，1.01，36.58，60.91万元。农业生态系统服务物质量及价值量的提高表示农业生态系统服务功能得到增强，农业产生模式也从传统农作物生产为主转为农、林、牧及果业复合的生态农业生产模式。
- Abstract:
- The functions of agro-ecosystem services is very important for local environment, especially in loess hilly and gully region. This paper, using data from Shanghuang valley of fragile loess hilly-gully region, and with the methods of mass and value assessment, analyzed the function of ago-ecosystem services. The results show that the total mass of agro-ecosystem services are 959.1 t in 1982, while the mass of crops is 600.9 t, which occupy 62.7% of that, however it reaches 2 581.9 t, which increases 197.35%, and the mass of corps is 689.4 t, which occupies only 24.17% of all the mass, while the forest, pasture, and fruit separately reaches 449.3, 1 306.3, 406.9 t. The value of agro-ecosystem service is 158.6 thousand Yuan, among it, the crop reaches 127.0 thousand Yuan, which occupies 80.07% of total value, however, which reaches 1 276.1 thousand Yuan, the value of crop, forest, pasture and fruit separately reaches 291.1, 10.1, 365.8 and 609.1 thousand Yuan. The function of agro-ecosystem service increased so much, the mode of agricultural production changes form single-crop farming to multiple agriculture.
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备注/Memo
收稿日期:2010-6-19;改回日期:2006-3-26。
基金项目:华北水利水电学院水土保持重点学科项目基金
作者简介:郝仕龙（1972－），男，江西永修人，博士，主要研究方向：土地利用/土地覆被及“3S”研究等。E-mail：haoshilong24@163.com
通讯作者:贾海波（1980- ），男，成都理工大学环境与土木工程学院地质工程专业硕士研究生，研究方向：地质灾害评价与预测。