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23 February 2023 Landscape ecological risk assessment of land use change in Manila Bay from 1990 to 2020
Shixun Zhang, Jinfeng Yan
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Proceedings Volume 12551, Fourth International Conference on Geoscience and Remote Sensing Mapping (GRSM 2022); 1255127 (2023) https://doi.org/10.1117/12.2668216
Event: Fourth International Conference on Geoscience and Remote Sensing Mapping (GRSM 2022), 2022, Changchun, China
Abstract
Based on the land use classification information from 1990 to 2020, considering the spatial heterogeneity and the characteristics of the land-sea gradient, this paper adopts the strip segmentation method and constructs the landscape ecological risk index to analyze the temporal and spatial changes of the ecological environment of Manila Bay, and explores the ecological risk changes of Manila Bay in the past 30 years. The results show that the ecological environment changes in Manila Bay have strong differentiation characteristics in spatial distribution and are greatly affected by the sea-land gradient; in recent years, the overall land use intensity has been relatively high, and the ecological status has been declining.
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Shixun Zhang and Jinfeng Yan "Landscape ecological risk assessment of land use change in Manila Bay from 1990 to 2020", Proc. SPIE 12551, Fourth International Conference on Geoscience and Remote Sensing Mapping (GRSM 2022), 1255127 (23 February 2023); https://doi.org/10.1117/12.2668216
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KEYWORDS
Risk assessment
Ecology
Ecosystems
Environmental sensing
Image segmentation
Information visualization
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