Spatiotemporal dynamics of land use and landscape in coastal Zhejiang using multiple methods

IF 4.6 2区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

iScience Pub Date : 2025-06-12 DOI:10.1016/j.isci.2025.112898

Jingru Zhou , Haowei Xu , Chi Yung Jim , Saheed Adeyinka Oke , Xu Ma , Lifei Wei , Xiaodong Yang , Fei Zhang

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Abstract

The coastal counties of Zhejiang Province, China, are important for economic development, marine economy, and nature conservation. This study aimed to support sustainable land-use policies through the planning and management of 35 counties, using official land-use data from 1990 to 2020. Spatial analysis methods included transition matrix, land-use intensity, landscape-pattern indices, centroid shift, and standard deviation ellipses. Results showed a “north-cropland, south-woodland” structure, together over 75% of the area. Construction land expanded steadily to 20%, mainly from cropland, woodland, and grassland (87% of outflows). Inflows mainly involved construction land, woodland, and cropland (91%). The wetland was dominated by the river channel and mudflat. Mudflat and beach made up 94% of outflows; reservoir and pond, 78% of inflows. Land-use intensity increased overall, with Pinghu highest. Grassland centroid shifted 38.74 km. Ellipses showed directional changes. Land-use diversity and spatial complexity increased, reflecting intensified human influence and offering a basis for sustainable planning and ecological restoration.

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基于多种方法的浙江沿海土地利用与景观时空动态

中国浙江省沿海县域是经济发展、海洋经济和自然保护的重要区域。本研究利用1990年至2020年的官方土地利用数据，通过对35个县的规划和管理，支持可持续的土地利用政策。空间分析方法包括过渡矩阵、土地利用强度、景观格局指数、质心偏移和标准差椭圆。结果表明，该地区75%以上为“北田南林”结构。建设用地稳步扩大至20%，主要来自耕地、林地和草地（占流出量的87%）。流入主要涉及建设用地、林地和耕地（91%）。湿地以河道和泥滩为主。泥滩和海滩占流出量的94%；水库和池塘，78%的流入量。土地利用强度总体呈上升趋势，平湖最高。草地质心位移38.74 km。椭圆显示方向变化。土地利用多样性和空间复杂性增加，反映了人类影响加剧，为可持续规划和生态恢复提供了基础。

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来源期刊

iScience Multidisciplinary-Multidisciplinary

CiteScore

7.20

自引率

1.70%

发文量

1972

审稿时长

6 weeks

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