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Related Experiment Video

Updated: Jan 1, 2026

Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis

Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis

Published on: December 16, 2016

A close relationship between microplastic contamination and coastal area use pattern.

Mi Jang¹, Won Joon Shim¹, Youna Cho¹

¹Oil and POPs Research Group, Korea Institute of Ocean Science and Technology, Geoje, 53201, Republic of Korea; Ocean Science, Korea University of Science and Technology, Daejeon, 34113, Republic of Korea.

|December 25, 2019

Summary

Coastal human activities significantly influence microplastic (MP) contamination in marine environments. Different human activities in urban, aquafarm, and rural areas lead to distinct MP types and abundance in water, sediment, and marine life.

Keywords:

Aquatic environment Coastal area use pattern Environmental matrix Microplastic Polymer composition Source

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Area of Science:

Environmental Science
Marine Biology
Ecotoxicology

Background:

Human activities impact microplastic (MP) pollution in aquatic environments.
Limited research exists on how coastal area usage patterns influence MP characteristics.

Purpose of the Study:

To investigate microplastic contamination in abiotic (seawater, sediment) and biotic (bivalves, polychaetes) matrices.
To compare MP contamination across urban, aquafarm, and rural coastal regions.
To determine the relationship between coastal area use and MP characteristics.

Main Methods:

Sampling of seawater, sediment, bivalves, and polychaetes from three distinct coastal areas (urban, aquafarm, rural).
Analysis of microplastic abundance and polymer composition in collected samples.
Correlation of microplastic data with local human activity patterns.

Main Results:

Sediment MP abundance was highest in urban areas, comparable in aquafarm, and lowest in rural sites.
Distinct polymer compositions were observed across sites: diverse polymers in urban, polystyrene in aquafarm (aquaculture buoys), and polypropylene in rural (fishing gear).
Microplastic accumulation in marine invertebrates mirrored patterns in abiotic matrices, reflecting local human activities.

Conclusions:

Coastal area use patterns demonstrably shape microplastic contamination characteristics.
Both land-based and marine-based activities contribute to microplastic pollution.
Abiotic and biotic marine matrices effectively reflect the specific microplastic signatures of their surrounding coastal environments.