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March 12, 2026Open Access

Occurrence and Distribution of Microplastics in the Northern Bay of Bengal: A Case Study on the Coast of Sonadia Island

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Authors

ASAfrin Sultana SadiaNRNighat Sultana ResmaMUMohammad Muslem Uddin

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Overview

Examines microplastics in beach sand on Sonadia Island, revealing moderate pollution and ecological risks.

Key Points

  • This study aims to evaluate the occurrence and distribution of microplastics in Sonadia Island's beach sand and assess their ecological risks.
  • Collected beach sand samples from five high-tideline stations on Sonadia Island.
  • Isolated microplastics using density separation, filtration, and stereomicroscopic analysis.
  • Analyzed the concentration and types of microplastics present.
  • Mean concentration of possible microplastics was 17.68 ± 7.88 particles/kg.
  • 74% of microplastics identified were fibres, indicating sources from fishing gear and industrial discharge.
  • Contamination Factor and Pollution Load Index values were greater than 1, indicating moderate to considerable pollution.

Cite This Study

Sadia et al. (2025) studied this question.

synapsesocial.com/papers/69b25be596eeacc4fceca472https://doi.org/10.5281/zenodo.18937205
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Occurrence and Distribution of Microplastics in the Northern Bay of Bengal: A Case Study on the Coast of Sonadia Island2025
  2. 2Characterization, Risk, and Pathway of Microplastics in Coastal Areas of the Bay of Bengal: A Systematic Review and Quantitative Synthesis2026
  3. 3Microplastic Contamination in a Freshwater-Dominated Subtropical Estuary: Multi-Approach Assessment of Spatial Dynamics, Sources and Ecological Hazard2026 · 2 citations
  4. 4An assessment of microplastic contamination in beach sediment of Maharashtra State, India, with special reference to anthropogenic activities2024 · 13 citations
  5. 5Microplastics in surface water of different beaches in Chattogram coastal area of Bay of Bengal in Bangladesh2024 · 3 citations