摘要
评估土地生态经济系统的耦合协调发展状况,有助于揭示区域人地关系地域系统的动态演化规律,促进土地资源可持续利用。以三峡库区生态敏感区江津区为例,在剖析土地生态经济系统耦合机理的基础上,构建土地生态经济系统耦合协调发展的评价指标体系,通过土地综合评价和耦合协调度测度模型研究村域尺度土地生态经济系统的耦合协调发展特征。结果表明:(1)江津区土地生态系统发展逐渐变坏,总体表现出低等级村域空间挤压高等级村域空间的趋势,且土地生态系统发展表现出明显的空间分异;(2)江津区土地经济系统发展呈现向好趋势,但土地经济系统发展具有较大的空间差异,并呈现出显著的城乡分界;(3)江津区土地生态经济系统的耦合协调发展朝着子系统相互促进的方向演进,但全区整体的土地生态经济系统耦合协调水平还有待提升;(4)江津区村域土地生态经济系统的耦合协调发展具有显著的空间差异,高耦合协调的村域零星分布,中、低耦合协调的村域广泛分布,失调村域主要分布在城区范围之外。
Evaluating the coupling and coordinated development of land eco-economic system is helpful to reveal the evolution law of man-earth areal system, and to promote the sustainable utilization of land resources. Taking Jiangjin, an ecologically sensitive area in the Three Gorges Reservoir area, as an example, this paper studied the coupling mechanism of land eco economic system and constructed an evaluation index system of the coupling and coordinated development of land eco-economic system. Then, we analyzed the coupling coordination development characteristics of the land eco-economic system in village scale based on the model of land comprehensive evaluation and coupling coordination degree model. The results show that the development of land ecosystem in Jiangjin district is in a bad trend, which shows the characteristics of low-level village space squeezing high-level village space, and the development of land ecosystem shows obvious spatial differentiation. The development of land economic system in Jiangjin district is in a good trend. But the development of land economic system has great spatial difference, both in village scale and urban-rural scale. The land economic system in the urban area is better than that outside the urban area, and the villages with good land economic system are basically concentrated in the urban area. The coupling and coordination development of land eco-economic system in Jiangjin District evolves in a favorable direction, which means that land eco system and land economic system are promoting each other. However, the overall level of coupling and coordination of land eco-economic system in the whole district still needs to be improved, because the coupling and coordinated development of land eco-economic systems in most regions are in the middle and low level and some villages are still in a state of maladjustment. The coupling and coordination development of land eco-economic system in Jiangjin district has significant spatial differences. The high-level villages are sporadically distributed, while the villages in medium and low level are widely distributed. The villages in maladjusted state are mainly distributed outside the urban area.
作者
张传华
张凤太
王钟书
邓炜
ZHANG Chuan-hua;ZHANG Feng-tai;WANG Zhong-shu;DENG Wei(College of Management,Chongqing University of Technology,Chongqing 400054,China;Chongqing Institute of Geology and Mineral Resources,Chongqing 400042,China;Chongqing Railway Investment Group Co.,LTD,Chongqing 400025,China)
出处
《长江流域资源与环境》
CAS
CSSCI
CSCD
北大核心
2021年第7期1547-1558,共12页
Resources and Environment in the Yangtze Basin
基金
国家社会科学基金西部项目(18XSH017)
国家社会科学基金青年项目(13CGL110)
重庆市教育委员会人文社会科学研究项目(19SKGH132)。
关键词
土地利用
土地生态经济系统
耦合度
协调度
生态敏感区
江津区
land use
land eco-economic system
coupling degree
coordination degree
ecologically sensitive area
Jiangjin district
