Shang Yajie,Wang Lei,Jia Jia,et al.Study on Carbon Flow Transfer Path of the Evolution of the Spatial and Temporal Pattern of the Production-Living-Ecological Space in Bin County[J].Research of Soil and Water Conservation,2024,31(04):326-335.[doi:10.13869/j.cnki.rswc.2024.04.040]
宾县三生空间格局演变的碳流转路径动态研究
- Title:
- Study on Carbon Flow Transfer Path of the Evolution of the Spatial and Temporal Pattern of the Production-Living-Ecological Space in Bin County
- 文章编号:
- 1005-3409(2024)04-0326-10
- Keywords:
- production-living-ecological space; carbon transfer; land use; pattern evolution; Bin County
- 分类号:
- X321,F301.24
- 文献标志码:
- A
- 摘要:
- [目的]揭示宾县碳流转空间分布与碳要素转移关键路径,把握宾县三生空间生态环境现存问题,进而为宾县地区未来低碳乡村规划和土地利用弹性规划管理决策提供理论支持。[方法]以宾县为例,构建乡村“碳要素”整体代谢网络模型,识别与掌握三生空间格局演变规律,定量测度宾县碳源、碳汇特征以及碳要素时空动态变化。[结果](1)耕地生产空间仍是主要利用类型,其他土地利用类型的规模呈不同的波动模式,生态环境受到影响。(2)宾县生活空间的扩张导致总碳排放量呈现先增长后下降的趋势,2010年宾县总碳排放量增长了3.07倍并达到峰值,2020年宾县排放量相比减少225万t; 碳汇量则呈现增加趋势,与生态空间面积的变化相关。(3)高碳汇—源密度空间分布主要聚集在宾县中部及西部。耕地生产空间与城镇生活空间分别是两个时期碳流转的关键分室,同时两个用地之间相互碳流转也是不同时期的主导转移路径。[结论]宾县碳流转空间分布与碳要素转移关键路径主要集中在城市化进程较快的地区,生态环境存在较严重问题,未来土地利用弹性规划可通过制定可持续的乡村低碳减排战略以促进区域的可持续发展。
- Abstract:
- [Objective]It reveals the spatial distribution of carbon flow and the key path of carbon element transfer in Bin County, grasps the existing problems of Bin County's Production-Living-Ecological(PLE)space ecological environment, and then provides theoretical support for the future low-carbon rural planning and land-use resilience planning and management decisions in Bin County area. [Methods]Bin County was taken as an example. The overall metabolic network model of rural ‘carbon elements' was constructed to identify and master the evolution law of the PLE spatial pattern, to quantitatively measure the characteristics of carbon sources, carbon sinks and the spatial-temporal dynamic changes of carbon elements in Bin County. [Results](1)The predominant use of land continued to be for cultivation, while other types of land use displayed varying degrees of change, impacting the ecological environment.(2)Bin County's expanding residential areas had resulted in an initial surge, followed by a decrease in overall carbon emissions. In 2010, carbon emissions of Bin County spiked to 3.07 times of their previous levels, marking a crescendo. In 2020, the emissions of Bin County decreased by 2.25 million tons. The increase in the carbon sink was associated with the alteration in the area of the ecological space.(3)The spatial distribution of high carbon sink and source density mainly concentrated in the central and western parts of Bin County. The cultivated land production space and urban living space were the key components of carbon transfer in the two periods, respectively, and the mutual carbon transfer between the two land uses was also the dominant transfer path in different periods. [Conclusion]The spatial distribution of carbon flow and key paths of carbon element transfer in Bin County mainly concentrate in the areas with rapid urbanization process, where the ecological environment has serious problems. In the future, land use elasticity planning can promote regional sustainable development by formulating sustainable rural low-carbon emission reduction strategy.
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备注/Memo
收稿日期:2023-09-11 修回日期:2023-10-16
资助项目:中央高校基本科研业务费专项项目(2572022DX12); 黑龙江省生态文明建设与绿色发展智库(ZKKF2022181); 黑龙江省哲学社会科学研究规划项目(21GLB061)
第一作者:尚雅婕(1999—),女,甘肃景泰人,硕士生,研究方向为景观规划与生态修复。E-mail:shangyajie@nefu.edu.cn
通信作者:王蕾(1983—),女,黑龙江哈尔滨人,博士,教授,博士生导师,研究方向为数字景观规划与乡村振兴。E-mail:wanglei@nefu.edu.cn