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July 29, 2022Revista de Estudos Anglo-Portugueses/Journal of Anglo-Portuguese StudiesOpen Access

Landscape Impacts on Ecosystem Service Values Using the Image Fusion Approach

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Authors

SWShuangao WangRPRajchandar PadmanabanMSMohamed Shamsudeen

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Overview

Geospatial modeling study reveals shifting land cover and overall increased ecosystem service values in Ningxia Province, highlighting the need for sustainable urban growth management.

Key Points

  • Quantify 15-year land-use and land-cover dynamics using downscaled satellite imagery and assess their impacts on ecosystem service values and urban sprawl patterns.
  • Downscaled MODIS satellite datasets from 2005, 2010, 2015, and 2020 using Landsat 8 OLI imagery and mapped land-use classes using a rotation forest algorithm.
  • Computed landscape spatial configuration metrics and derived ecosystem service values (ESV) validated through a sensitivity index.
  • Quantified urban sprawl patterns and dispersion across settlements using Renyi's entropy, including simulation through 2025.
  • Water bodies, woodlands, and built-up areas expanded from 2005 to 2020 alongside a decrease in farmlands, resulting in an overall net increase in ecosystem service values.
  • Landscape connectivity and uniformity improved over the observation period due to regional conservation and land management planning.
  • Urban sprawl reached an entropy level of 0.91, demonstrating dispersed peri-urban settlement patterns projected to intensify by 2025.

Cite This Study

Wang et al. (2022) studied this question.

synapsesocial.com/papers/6a12960fea48cb855a35215dhttps://doi.org/10.3390/land11081186
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