摘要
针对农牧交错区用地需求多样、土地覆被类型繁杂、功能多的特点,引入“三生空间”土地分类体系和用地功能评分标准,旨在科学合理地简化和概括土地类型,实现生态脆弱的农牧交错区土地经济可持续发展.本文选择位于我国北方农牧交错带核心区的吉林西部作为示范区,基于1990—2020年土地利用解译数据,在“三生空间”用地分类体系及功能评分基础上,利用耦合协调模型探讨了近31a研究区“三生空间”时空分异特征及其耦合协调性.研究结果表明:(1)1990—2020年,研究区生产与生活空间以扩张为主,生态空间呈缩减趋势,生活空间的增加以生态空间的减少换取;(2)“三生空间”的分布格局与变化具有明显的差异性,生产空间扩张主要位于松嫩平原西部的边缘地带,生活空间分布较为零散,以地级市核心区扩张最为集中,而生态空间缩减范围与生活空间扩张范围基本重合;(3)“三生空间”的耦合与协调发展整体处于磨合阶段与中度协调,且占比逐年提升,各县域发展程度不尽相同,整体上呈现“东高西低”特征,比例失调较严重的地区为通榆县和大安市,其协调性较差.据研究结果,本文提出应在现有“三生空间”分布格局及演变的基础上,制定相关政策与法规,为区域“三生空间”协调发展提供决策性参考,以推进生态文明建设,倡导区域经济与生态保护协调发展.
Aiming at the characteristics of diversity of land use requirements,various types of land cover and multiple functions in the agro-pastoral ecotone,this article introduces the land classification system to scientifically and reasonably simplify and summarize the land types,in order to achieve the sustainable economic growth of the ecologically fragile land in the agro-pastoral ecotone.Based on the interpretation data of land utilization from 1990 to 2020,and on the basis of land use classification system of production-living-ecological space(PLES)and function scores,the agriculture and pasture interlaced area in western Jilin Province is selected as the demonstration area,and the characteristics of spatial-temporal differentiation of PLES in the research area and its coupling and coordination changes for nearly 31 years are discussed by using the coupling and coordination model.The results show that:(1)From 1990 to 2020,the production and living space began to expand,while the ecological space showed a decreasing trend.(2)The distribution pattern and change of PLES in western Jilin Province are obviously different,the expansion of production space is mainly located on the western edge of the Songnen plain,the distribution of living space is relatively scattered with the most expansion in the core area of prefecture-level cities,and the reduced scope of ecological space basically coincides with the expanded scope of living space.(3)The overall development process of coupling and coordination in western Jilin Province is in a running-in and moderate state,and it is increasing year by year.For different levels of development in different counties,it shows the characteristics of“high in the east and low in the west”.The seriously imbalanced areas are Tongyu County and Da’an City,with poor coordination.According to the research results,it is suggested that the distribution pattern and evolution of PLES should be the basis to formulate the relevant policies and regulations,so as to support and promote the constru
作者
翟羽娟
张艳红
姜琦刚
刘润
Zhai Yujuan;Zhang Yanhong;Jiang Qigang;Liu Run(College of GeoExploration Sicence and Technology,Jilin University,Changchun130026,China)
出处
《吉林大学学报（地球科学版）》
CAS
CSCD
北大核心
2022年第3期1016-1026,共11页
Journal of Jilin University：Earth Science Edition
基金
中国地质调查局项目(DD20190536)。
关键词
农牧交错区
三生空间
时空演变
耦合协调
agro-pastoral ecotone
production-living-ecological space
spatial-temporal evolution
coupling coordination
