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author:

Lin, M. (Lin, M..) [1] | Zhao, Y. (Zhao, Y..) [2] | Shi, L. (Shi, L..) [3] | Wang, X. (Wang, X..) [4]

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Scopus

Abstract:

The evaluation of regional ecological status has far-reaching significance for understanding regional ecological conditions and promoting sustainable development. Herein, a geospatial ecological index (GEI) was developed on the basis of Landsat data and the principles of soil lines and spatial geometry. Specifically, the GEI integrates four remote sensing indicators: Perpendicular Vegetation Index (PVI) representing greenness, Modified Perpendicular Drought Index (MPDI) representing drought, Normalized Difference Built-up and Soil Index (NDSI) representing the dryness of land surface, and Land Surface Temperature (LST) representing the hotness of land surface. Two typical regions, Fuzhou City and Zijin mining area, in Fujian Province, China, were selected to evaluate regional ecological quality via the proposed GEI. The results show an improvement in the overall ecological quality of Fuzhou City, with an increase in the average GEI value from 0.49 in 2001 to 0.53 in 2020. In the case of the Zijin mining area, regions with poor ecological status are concentrated in the main mining areas. However, the average GEI value rose from 0.51 in 1992 to 0.57 in 2020, illustrating an improvement in its ecological conditions. The study demonstrates the robustness and effectiveness of GEI, objectively revealing the spatial distribution and ecological status. © 2024 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

Keyword:

ecological evaluation fujian GEI (Geospatial Ecological Index) geometric space soil line

Community:

  • [ 1 ] [Lin M.]Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China
  • [ 2 ] [Lin M.]University of Chinese Academy of Sciences, Beijing, China
  • [ 3 ] [Zhao Y.]Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China
  • [ 4 ] [Shi L.]Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China
  • [ 5 ] [Wang X.]Key Lab of Spatial Data Mining & Information Sharing of Ministry of Education, Academy of Digital China (Fujian), Fuzhou University, Fuzhou, China

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Source :

International Journal of Sustainable Development and World Ecology

ISSN: 1350-4509

Year: 2024

Issue: 7

Volume: 31

Page: 809-826

6 . 5 0 0

JCR@2023

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ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 4

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