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Characterizing the Landscape Structure of Urban Wetlands Using Terrain and Landscape Indices

Author

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  • Olusola O. Festus

    (Department of Earth & Environmental Sciences, University of Missouri-Kansas City, Kansas City, MO 64110, USA)

  • Wei Ji

    (Department of Earth & Environmental Sciences, University of Missouri-Kansas City, Kansas City, MO 64110, USA)

  • Opeyemi A. Zubair

    (Department of History, Sociology, Geography & GIS, Tarleton State University, Stephenville, TX 76401, USA)

Abstract

Several studies have shown human impacts on urban wetlands. These impacts are mostly studied at broad scales, which may generalize and aggregate important information needed for landscape quantification or terrain analysis. This situation can weakly or inappropriately address the structure of wetland landscapes, thus affecting the assessment of the quantities and qualities of terrestrial wetland habitats. To address these issues for urban wetland dynamics, this study proposes the use of landscape and terrain indices to characterize the landscape structure of urban wetlands at a fine scale in order to assess its usefulness in contributing to wildlife sustainability. To achieve this goal, secondary terrain attribute data are integrated with an object-based satellite image classification at the wetland and watershed level. The result reveals a general swell in wetland coverage at the watershed level. Further analysis shows the size and shape complexities, and edge irregularities are increased significantly at the patch level but slightly at the watershed level. Terrain analysis further reveals a potential increase in wetness and decrease in stream power vulnerability for most of the major wetlands under study. These results suggest that terrain and landscape indices are effective in characterizing the structure of urban wetlands that supports socio-ecological sustainability.

Suggested Citation

  • Olusola O. Festus & Wei Ji & Opeyemi A. Zubair, 2020. "Characterizing the Landscape Structure of Urban Wetlands Using Terrain and Landscape Indices," Land, MDPI, vol. 9(1), pages 1-25, January.
    • Handle: RePEc:gam:jlands:v:9:y:2020:i:1:p:29-:d:310516
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    References listed on IDEAS

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    1. Opeyemi A. Zubair & Wei Ji & Olusola Festus, 2019. "Urban Expansion and the Loss of Prairie and Agricultural Lands: A Satellite Remote-Sensing-Based Analysis at a Sub-Watershed Scale," Sustainability, MDPI, vol. 11(17), pages 1-12, August.
    2. Opeyemi A. Zubair & Wei Ji & Trina E. Weilert, 2017. "Modeling the Impact of Urban Landscape Change on Urban Wetlands Using Similarity Weighted Instance-Based Machine Learning and Markov Model," Sustainability, MDPI, vol. 9(12), pages 1-24, December.
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    Cited by:

    1. Tianlong Liu & Xiang Ji & Yaxi Gong, 2022. "Wetland Functional Area Division Method: A Correlation Analysis of Water Quality and Landscape Structure," Sustainability, MDPI, vol. 14(21), pages 1-26, October.
    2. Yan Sun & Xiaoping Ge & Junna Liu & Yuanyuan Chang & Gang-Jun Liu & Fu Chen, 2021. "Mitigating Spatial Conflict of Land Use for Sustainable Wetlands Landscape in Li-Xia-River Region of Central Jiangsu, China," Sustainability, MDPI, vol. 13(20), pages 1-14, October.

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