Abstract
Intensive development is a sign of human social progress, and moderate intensification is a continuously pursued goal. However, how to conduct a moderately intensive land use evaluation remains a challenge. To solve this problem, this research proposes the concept of sustainable intensification variable and develops a sustainable intensification variable model to determine the appropriate interval of regional intensive land use and evaluate the intensification of land use. The evaluation method of the sustainable intensification variable model is based on the principle and method of the intensification variable, and the regional sustainable development evaluation factors in the model are revised based on rational land use and ecological constraints. To verify the rationality of the model and systematically evaluate the intensification of land use in the city of Jinan, this method was tested using land use data and social economic data on Jinan from 2001, 2011, and 2015. The results show that the model has a high accuracy in judging the moderately intensive interval of regional land use and evaluating intensive land use, and has important reference value for regional sustainable development decision-making.
Highlights
With the rapid development of the social economy, urbanization has become an inevitable trend of future human development
Since this manuscript considers the geographical area with administrative boundaries as the research area, and the research goal is to achieve regional sustainable intensive land use, the assumption of the local ecosystem independence is assumed, which is convenient for the consistency of spatial dimensions of regional sustainable research and intensive land use studies
During the three research periods, the ecological carrying capacity is greater than the actual resident population
Summary
With the rapid development of the social economy, urbanization has become an inevitable trend of future human development During this process, the effects of planning lag and blind construction have caused cities to pay a heavy resource and environmental cost in development, and city problems have become increasingly prominent. From the aspect of subject field, integrating multidisciplinary methods, such as economics, sociology, and environmental science, can help to research sustainable development. From the aspect of theoretical systems and practical research, constructing the theoretical system of sustainable development, combined with different regions for analysis, evaluation, and suggestion [1,2,3] helps a lot. Scholars worldwide have conducted qualitative and quantitative research and evaluations of sustainable development from the perspectives of exploring the measures and approaches to achieve sustainable development [5,6,7], establishing an evaluation index system of sustainable development and formulating comprehensive evaluation indicators [8,9,10]
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