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May 24, 2026Scientific ReportsOpen Access

First evidence of microplastic contamination in surface waters of Loktak Lake, a Ramsar site in the Eastern Himalayas

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Authors

PBPallabi BorahNKNaphibaniarlin KshiarANArun Jyoti Nath

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Overview

Integrated assessment of microplastic distribution in freshwater ecosystems reveals ecological risks in sensitive wetlands.

Key Points

  • This research aims to assess the occurrence, distribution, polymer composition, and risks associated with microplastic pollution in Loktak Lake.
  • Surface-water samples collected from 13 sites during the pre-monsoon season (March 2024).
  • Assessment of microplastic abundance and spatial distribution, along with polymer identification.
  • Environmental risk evaluation integrating various ecological indices.
  • Microplastic abundance ranged from 8 to 82 particles L⁻¹, with a mean of 47 ± 23.8 particles L⁻¹.
  • Dominance of small particles < 2000 μm contributing to 91.38% of total MPs, indicating high bioavailability.
  • Environmental risk evaluation highlighted elevated ecological concerns in high-activity zones.

Cite This Study

Borah et al. (2026) studied this question.

synapsesocial.com/papers/6a12969048a0ea16656737dfhttps://doi.org/10.1038/s41598-026-54098-8
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