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Related Concept Videos

Habitat Fragmentation02:31

Habitat Fragmentation

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Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
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  11. Spatiotemporal Analysis Of Mangrove Vegetation Changes In Cà Mau, Vietnam

Spatiotemporal analysis of mangrove vegetation changes in Cà Mau, Vietnam

Mikyeong Tae1, Min Kim2, Jinhyung Chon3

  • 1Department of Environmental Science and Ecological Engineering, Graduate School, Korea University, Seoul, South Korea.

Marine Pollution Bulletin
|December 19, 2025

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Visualizing Methane-Cycling Microbial Dynamics in Coastal Wetlands
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View abstract on PubMed

Summary
This summary is machine-generated.

Mangrove restoration efforts in Vietnam show mixed results, with successful expansion in some areas due to strong governance and policy, while others face degradation from aquaculture and pollution.

Area of Science:

  • Coastal Ecology
  • Environmental Science
  • Remote Sensing

Background:

  • Mangrove ecosystems offer vital services but face threats from climate change, development, and pollution.
  • Marine pollution disrupts mangrove health, affecting water chemistry, oxygen levels, and root-sediment interactions.
  • Understanding spatiotemporal mangrove dynamics is crucial for effective conservation and management.

Purpose of the Study:

  • To analyze spatiotemporal changes in mangrove vegetation in Cà Mau, Vietnam, from 2020-2024.
  • To investigate the drivers of mangrove expansion and loss using remote sensing and spatial analysis.
  • To identify area-specific management strategies for sustainable coastal governance.

Main Methods:

  • Utilized Sentinel-2 imagery to derive the Mangrove Vegetation Index (MVI).
Keywords:
Blue carbonLandscape change detectionLocal indicators of spatial associationMangrove vegetation index

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  • Applied spatial autocorrelation metrics (Moran's I and LISA) to analyze vegetation patterns.
  • Integrated remote sensing data with social-ecological factors influencing mangrove dynamics.

    • Main Results:

    • Total mangrove area increased by 144.83 ha from a 2020 baseline of 39,414 ha.
    • Expansion clusters (217.3 ha) were observed on the western/southwestern coasts, linked to restoration programs and strong governance.
    • Loss clusters (240.6 ha) occurred in southeastern areas due to aquaculture, weak enforcement, and pollution.

    Conclusions:

    • Government-led restoration and effective governance drive mangrove expansion.
    • Aquaculture, pollution, and weak enforcement lead to mangrove degradation.
    • Tailored management strategies, including policy-aligned investment and monitoring systems, are essential for sustainable mangrove governance.
    Social–ecological dynamics
    Spatiotemporal analysis