干旱区研究

干旱区研究 >

2016 , Vol. 33 >Issue 1: 67 - 73

DOI: https://doi.org/10.13866/j.azr.2016.01.07

土壤环境

基于土地利用结构优化的土壤有机碳储量预测分析——以内蒙古多伦县为例

  • 房飞 ,
  • 李滨勇 ,
  • 唐海萍
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  • 1.北京师范大学地表过程与资源生态国家重点实验室,北京 100875;
    2.北京师范大学资源学院,北京 100875;
    3.国家海洋环境监测中心,辽宁 大连 116023;
    4.海域管理政策与技术研究院,辽宁 大连 116023
房飞(1987-),男,在读博士,研究方向为恢复生态学. E-mail: fangfei@mail.bnu.edu.cn

收稿日期: 2014-03-14

  修回日期: 2014-08-04

  网络出版日期: 2016-01-29

基金资助

国家自然科学基金重点项目(41030535)和“十二五”科技支撑项目(2011BAC07B01)资助

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Analysis and Prediction of Soil Organic Carbon Storage Based on the Optimal Land Use Structure:A Case Study of Duolun County,Inner Mongolia

  • FANG Fei ,
  • LI Bin-yong ,
  • TANG Hai-ping
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  • 1. State Key Laboratory of Earth Surface Processes and Resource Ecology,Beijing Normal University,Beijing 100875,China;
    2. College of Resources Science and Technology,Beijing Normal University,Beijing 100875,China;
    3. National Marine Environmental Monitoring Center,Dalian 116023,Liaoning,China;
    4. Research Institute of Sea areas management policy and Technology,Dalian 116023,Liaoning,China

Received date: 2014-03-14

  Revised date: 2014-08-04

  Online published: 2016-01-29

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摘要

土地利用/覆盖变化对陆地生态系统碳循环有着显著影响。基于模糊求解的多目标线性规划,对2020年多伦县土地利用最优结构进行求解,估算了此情景下的土壤有机碳储量。结果表明:多伦县2020年最优土地利用结构为:耕地3.31×104 hm2,林地1.37×105 hm2,草地1.84×105 hm2,水域2 300 hm2,建筑用地5 600 hm2,难利用土地2.89×104 hm2。最优土地利用结构下,多伦县耕地、林地和草地土壤有机碳储量分别为2.11×109 kg、7.76×109 kg和1.03×1010 kg;3种土地利用方式下总有机碳储量比2009年增加了1.85×109 kg。

关键词： 多目标线性规划; 土地利用方式; 土壤有机碳; 模糊数学; 内蒙古

本文引用格式

房飞 , 李滨勇 , 唐海萍 . 基于土地利用结构优化的土壤有机碳储量预测分析——以内蒙古多伦县为例[J]. 干旱区研究, 2016 , 33(1) : 67 -73 . DOI: 10.13866/j.azr.2016.01.07

Abstract

The process of soil carbon sequestration is an important link in the global carbon cycle,so the subtle changes of soil carbon reserves will be an important impact on the global carbon cycle. There are numerous factors to affect the soil carbon input and output of land ecological system,but the way of land use change is one of the important factors. Land use/cover changes have a significant impact on the carbon cycle of terrestrial ecosystem. The optimal land use structure of 2020 was explored using the method of multi-objective linear programming with fuzzy mathematics. Meanwhile,the soil organic carbon storage was estimated in this scenario. The results showed that the optimal land use structure was cropland,3.31×104 hm2; forestland,1.37×105 hm2; grassland,1.84×105 hm2; water surface area,2 300 hm2; building area,5 600 hm2; unused area,2.89×104 hm2. The soil organic carbon storage was 2.11×109 kg,7.76×109 kg and 1.03×1010 kg in cropland,forestland and grassland,respectively. The soil organic carbon storage of all the three land use type increased 1.85×109 kg than 2009.The method combining with multi-objective linear programming and fuzzy mathematics method,can give consideration to both ecological benefit and economic benefit,social benefit and carbon sequestration effect under the premise of maximum approximation each objective function of optimal solution,and then puts forward the effective scheme of land use structure for Duolun County. At the same time,the result shows that under the appropriate land use planning,Duolun County has a great potential for carbon sequestration.

Key words： multi-objective linear programming; land use type; soil organic carbon; fuzzy mathematics; Inner Mongolia

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