School of Geography & Ocean Science, Nanjing University, Nanjing, 210023, Jiangsu Province, China.
School of Management Science and Engineering, Nanjing University of Information Science & Technology, Nanjing, 210044, Jiangsu Province, China.
J Environ Manage. 2023 Oct 15;344:118716. doi: 10.1016/j.jenvman.2023.118716. Epub 2023 Aug 8.
Although industrial land accounts for a low percentage of the land surface, it can significantly affect the development of the economy and the environment. Unbalanced development makes industry efficiency differ vastly across China. Industry products embodied in domestic trade link the indirect use of industry inputs and outputs. Regional inequality needs to be more scientifically checked by comprehensively considering both trade and the efficiency, which may be determined by diverse indices. Accordingly, this study examined industrial land use among provinces and the efficiency, identified the embodied land, developed approaches to ascertain how industrial land use would change without domestic trade, and revealed the inequalities in industrial land by considering the trade. Results found that provinces along Chinas coastline usually have a highly industrialised area, and the developed regions usually have high efficiency. Guangdong, Henan, Jiangsu, Shanghai, Shandong, Liaoning, Anhui, Hebei, and Heilongjiang have high values in both industrial land serving external provinces and the reverse use in external provinces. Through domestic trade, China saved a total of 462 km of land to be converted into industrial land, which is mainly due to developed regions providing industrial land use to undeveloped regions with low efficiency. The inequality analysis shows that most provinces were in a moderate state. Heilongjiang, Gansu, and Guangxi have obvious disadvantages. Some suggestions have been made for harmonious industry development and enhanced efficiency, such as the implementation of efficiency and price-based land use policies, industry and energy structure optimisation, technological improvement, and appropriate compensation.
虽然工业用地在土地表面中占比较低，但它可以对经济和环境的发展产生重大影响。不平衡的发展导致中国各地的工业效率存在巨大差异。国内贸易中包含的工业产品联系着工业投入和产出的间接使用。区域不平等需要更科学地检查，综合考虑贸易和效率，而效率可能由各种指标决定。因此，本研究考察了各省的工业土地利用和效率，确定了所包含的土地，并开发了方法来确定在没有国内贸易的情况下工业土地利用将如何变化，并考虑到贸易揭示了工业土地的不平等。结果发现，中国沿海省份通常具有高度工业化的地区，发达地区通常具有高效率。广东、河南、江苏、上海、山东、辽宁、安徽、河北和黑龙江在为外省提供工业用地和外省反向使用方面都具有较高的价值。通过国内贸易，中国总共节省了 462 公里的土地用于转为工业用地，这主要是由于发达地区向效率较低的欠发达地区提供工业用地。不平等分析表明，大多数省份处于中等水平。黑龙江、甘肃和广西明显处于劣势。为促进工业协调发展和提高效率，提出了一些建议，例如实施基于效率和价格的土地利用政策、优化工业和能源结构、提高技术水平以及进行适当的补偿。
