land Article The Spatial Effect of Administrative Division on Land-Use Intensity Pengrui Wang 1, Chen Zeng 1,*, Yan Song 2, Long Guo 3, Wenping Liu 4 and Wenting Zhang 3 1 Department of Public Management-Land Management, Huazhong Agricultural University, Wuhan 430070, China;
[email protected] 2 Department of City and Regional Planning, University of North Carolina-Chapel Hill, Chapel Hill, NC 27599, USA;
[email protected] 3 Department of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China;
[email protected] (L.G.);
[email protected] (W.Z.) 4 College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China;
[email protected] * Correspondence:
[email protected]; Tel.: +86-132-9668-3817 Abstract: Land-use intensity (LUI) is one of the most direct manifestations of regional land use efficiency. The study of cross-administrative LUI in urban agglomerations is of great importance for the sustainable development of land, new urbanization, and territorial spatial planning. In this study, the urban agglomeration in the middle reaches of the Yangtze River in China was used as the case study area to explore the spatial spillover effect through the administrative division, underlying driving mechanism, and spatial interactions or constraints of LUI. First, LUI was measured using the index of the proportion of construction land to the total area of the administrative region. Second, the adjacency relationship of the county-level administrative units was identified on the basis of the queen-type adjacency criterion under the county-level administrative division system. Thereafter, spatial weight matrix for spatial modeling was constructed.