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Quantitatively Assessing Ecological Stress of Urbanization on Natural Ecosystems by Using a Landscape-Adjacency Index by Lin, Meixia (author);Lin, Tao (author);Jones, Laurence (author);Liu, Xiaofang (author);Xing, Li (author);Sui, Jinling (author);Zhang, Junmao (author);Ye, Hong (author);Liu, Yuqin (author);Zhang, Guoqin (author);Lu, Xin (author) is a Environmental Science article available to read on EtoBox.

What is Quantitatively Assessing Ecological Stress of Urbanization on Natural Ecosystems by Using a Landscape-Adjacency Index about?

Urban spatial expansion poses a threat to regional ecosystems and biodiversity directly through altering the size, shape, and interconnectivity of natural landscapes. Monitoring urban spatial expansion using traditional area-based metrics from remote sensing provides a feasible way to quantify this regional ecological stress. However, variation in landscape-adjacency relationships (i.e., the adjacency between individual landscape classes) caused by urban expansion is often overlooked. In this study, a novel edge-based index (landscape-adjacency index, LAdI) was proposed based on the spatial-adjacency relationship between landscape patches to measure the regional ecological stress of urban expansion on natural landscapes. Taking the entire Yangtze River Delta Urban Agglomerations (YRD) as a study area, we applied the LAdI for individual landscape classes (Vi) and landscape level (LV) to quantitatively assess change over time in the ecological stress of YRD from 1990 to 2015 at two spatial scales: municipal scale and 5 km-grid scale. The results showed that the vulnerable zones (LV ≥ 0.6) were mainly distributed in the north of the YRD, and cultivated land was the most vulnerable nat

Who reads Quantitatively Assessing Ecological Stress of Urbanization on Natural Ecosystems by Using a Landscape-Adjacency Index?

It is typically read by researchers, students, and practitioners in Environmental Science.

Author
Lin, Meixia (author);Lin, Tao (author);Jones, Laurence (author);Liu, Xiaofang (author);Xing, Li (author);Sui, Jinling (author);Zhang, Junmao (author);Ye, Hong (author);Liu, Yuqin (author);Zhang, Guoqin (author);Lu, Xin (author)
Publisher
MDPI AG
Published
2021
Language
EN
Field
Environmental Science (Physical Sciences)

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