江阴市土地利用对碳储量的影响及优化研究

doi:10.19741/j.issn.1673-4831.2022.0491

生态与农村环境学报 ›› 2022, Vol. 38 ›› Issue (10): 1290-1298.doi: 10.19741/j.issn.1673-4831.2022.0491

• 生态城市建设与碳中和专题 • 上一篇下一篇

江阴市土地利用对碳储量的影响及优化研究

赵一行¹, 高润艺², 李海东³, 揣小伟^2,4, 郭晓敏⁵

1. 河北省地矿局国土资源勘查中心, 河北石家庄 050081;
2. 南京大学地理与海洋科学学院, 江苏南京 210023;
3. 生态环境部南京环境科学研究所, 江苏南京 210042;
4. 自然资源部碳中和与国土空间优化重点实验室, 江苏南京 210023;
5. 中国科学院地理科学与资源研究所, 北京 100101

收稿日期:2022-05-17 出版日期:2022-10-25 发布日期:2022-10-22
通讯作者: 高润艺,E-mail:gry9826@163.com E-mail:gry9826@163.com
作者简介:赵一行(1982-),男,河北沙河人,高级工程师,硕士,主要从事自然资源和国土空间规划研究。E-mail:hbshzyx@sina.com
基金资助:
关键地球物质循环前沿科学中心科研基金(DLTDPY2101)

Study on Carbon Storage Change and Optimization of Land Use in Jiangyin City

ZHAO Yi-xing¹, GAO Run-yi², LI Hai-dong³, CHUAI Xiao-wei^2,4, GUO Xiao-min⁵

1. Land and Resources Exploration Center, Hebei Bureau of Geology and Mineral Resources Exploration, Shijiazhuang 050081, China;
2. School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China;
3. Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China;
4. Laboratory of Carbon Neutralization and Territory Space Planning, Ministry of Natural Resources Nanjing 210046, China;
5. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China

Received:2022-05-17 Online:2022-10-25 Published:2022-10-22

摘要/Abstract

摘要： 20世纪90年代以来,土地利用变化的碳效应及其对气候变化的影响一直是国内外学术界关注的热点。在碳中和目标下,如何通过优化土地利用来达到增碳减排的目的,是当前学术界和相关部门面临的机遇和挑战。以江阴市为例,分析2000-2015年土地利用变化及其对应的植被碳储量和土壤碳储量变化,并对未来的土地利用结构提出优化建议,主要结论如下:江阴市2000-2015年耕地面积逐年减少,主要转化为建设用地,建设用地面积逐年增加,其余土地利用类型变化幅度较小。由于土地利用变化,江阴市植被碳储量减少7.50万t,土壤碳储量减少0.76万t。其中,耕地、林地转出导致的碳储量损失最大。根据江阴市历史土地利用变化,基于碳储量最大化目标提出土地利用结构优化建议。优化模式下,2030年江阴市生态系统碳储量将达445.25万t,较自然增长模式增加0.29万t。

关键词: 碳储量, 土地利用变化, 优化研究, 江阴市

Abstract: The carbon effect of land use change and its impact on climate change have been the focus of academic circles at home and abroad since the 1990s. Under the goal of carbon neutralization, how to achieve the purpose of carbon increase and emission reduction by optimizing land use is a new opportunity and challenge for the current academic research and natural resources authorities. Taking Jiangyin City as an example, this paper analyzes land use change of the city from 2000 to 2015 and its corresponding changes of vegetation carbon and soil carbon storage, and puts forward optimization suggestions for the future land use structure. The main conclusions are as follows: (1) From 2000 to 2015, the cultivated land area in Jiangyin City decreased year by year, mainly transformed into construction land, and the change range of other land use types is small. (2) Due to land use change, the carbon storage of vegetation in Jiangyin City decreased by 75 009.49 t and the carbon storage of soil decreased by 7 641.56 t. Among them, the transfer out of cultivated land and forest land led to the largest loss of carbon storage. (3) According to the historical land use change of Jiangyin City, based on the goal of maximizing carbon reserves, this paper puts forward suggestions on the optimization of land use structure in Jiangyin City. The results show that under the optimization mode, the carbon reserves of Jiangyin ecosystem will reach to 4.55 million t in 2030, an increase of 2 900 t compared with the natural growth mode.

Key words: carbon storage, land use change, optimization research, Jiangyin City

中图分类号:

赵一行, 高润艺, 李海东, 揣小伟, 郭晓敏. 江阴市土地利用对碳储量的影响及优化研究[J]. 生态与农村环境学报, 2022, 38(10): 1290-1298.

ZHAO Yi-xing, GAO Run-yi, LI Hai-dong, CHUAI Xiao-wei, GUO Xiao-min. Study on Carbon Storage Change and Optimization of Land Use in Jiangyin City[J]. Journal of Ecology and Rural Environment, 2022, 38(10): 1290-1298.

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江阴市土地利用对碳储量的影响及优化研究

Study on Carbon Storage Change and Optimization of Land Use in Jiangyin City

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