DU Guo-ming,LI Quan-feng,LIU Yan,et al.Effect of Agricultural Development on Changes in Regional Ecosystem Service Function—Taking Northern Part of the Sanjiang Plain as the Example[J].Research of Soil and Water Conservation,2014,21(03):261-266.
农业开发对区域生态系统服务功能的影响研究——以三江平原北部地区为例
- Title:
- Effect of Agricultural Development on Changes in Regional Ecosystem Service Function—Taking Northern Part of the Sanjiang Plain as the Example
- 分类号:
- F301.24
- 摘要:
- 生态系统服务是土地系统的重要功能，是构建区域生态文明的自然基础。衡量农业开发对生态服务功能的影响，是准确度量土地利用效益，制定区际生态补偿标准的基本依据。在对Costanza等提出的生态系统服务价值评估方法进行改进后，以货币形式评价三江平原北部地区1954—2009年农业开发对生态系统服务价值影响。研究表明：（1）55 a间耕地增加250.86万hm2，垦殖率由8.31%增至67.26%，土地利用结构由湿地、林地主导逐渐过渡到农地为主导类型；（2）该区域生态服务价值由1954年的1 120.81亿元锐减至2009年的390.77亿元，损失率为65.13%。其中，湿地的生态服务价值损失率为90.26%，农地生态服务价值增长为原来的8.26倍；（3）农业开发使得土地生态服务功能内部结构发生变化；（4）由于各县市耕地垦殖状况及气候特征的不同，导致生态服务功能结构、单位面积的生态服务价值及其变化特征存在显著差异。
- Abstract:
- Ecosystem service is an important function of the land system, and is the natural foundation construction of regional ecological civilization. Measuring the land ecosystem service function is a fundamental basis for the accurate measurement of land use efficiency and determining regional eco-compensation standards. Based on the ecosystem service evaluation method proposed by Costanza etc, this paper evaluates effects of agricultural development on ecosystem service value in the north Sanjiang Plain from 1954 to 2009. The results shows that: (1) the farmland in the north Sanjiang Plain increased by 2.508 6 million hectares in those 55 years. The reclamation rate increased from 8.31% to 67.26%. The land use structure has changed from woodland and wetland-dominatded into farmland-dominatded; (2) the regional ecosystem service value reduced from 112.081 billion Yuan in 1954 to 39.077 billion Yuan in 2009. The loss rate was 65.13%. Among them, the loss rate of ecosystem service value of wetlands was 90.26%, while farmland’s ecosystem service value increased 8.26 times; (3) agricultural development changed structure of land ecosystem service functions; (4) due to the different land reclamation and climate characteristics in each county, there were significant differences in ecosystem service functional structure, ecosystem service value per unit area and their changing characteristics among these counties.
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备注/Memo
收稿日期:2013-09-28;改回日期:2013-10-14。
基金项目:黑龙江省普通高等学校青年学术骨干支持计划项目（1252G012）
作者简介:杜国明(1978-),男,内蒙古宁城县人,博士,副教授,主要研究方向为土地利用与人地关系。E-mail:nmgdgm@126.com