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Systematic Review ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 1 ? Systematic review or meta-analysis. Synthesizes findings across many studies. Strongest evidence. Detection Methods Environmental Sources Marine & Wildlife Policy & Risk Remediation Sign in to save

Towards a North Pacific Ocean Long-term Monitoring Program for Plastic Pollution: a Review of Global Occurrence of Microplastics in the Sea and Deep-sea Sediments

Journal of Water and Environment Technology 2024 3 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 50 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Hideshige Takada Shuhei Tanaka, Shuhei Tanaka, Ibukun Oluwoye, Ibukun Oluwoye, Sachithra Imbulana, Sachithra Imbulana, Sachithra Imbulana, Satoru YUKIOKA, Satoru YUKIOKA, Hideshige Takada Hideshige Takada Won Joon Shim, Won Joon Shim, Shuhei Tanaka, Shuhei Tanaka, Won Joon Shim, Shuhei Tanaka, Won Joon Shim, Won Joon Shim, Shuhei Tanaka, Won Joon Shim, Won Joon Shim, Shuhei Tanaka, Shuhei Tanaka, Shuhei Tanaka, Shuhei Tanaka, Shuhei Tanaka, Won Joon Shim, Won Joon Shim, Hideshige Takada Hideshige Takada Hideshige Takada Hideshige Takada Hideshige Takada Hideshige Takada Satoru YUKIOKA, Satoru YUKIOKA, Chengjun Sun, Ibukun Oluwoye, Shuhei Tanaka, Won Joon Shim, Won Joon Shim, Shuhei Tanaka, Won Joon Shim, Shuhei Tanaka, Shuhei Tanaka, Hideshige Takada Won Joon Shim, Shuhei Tanaka, Won Joon Shim, Hideshige Takada Hideshige Takada Shuhei Tanaka, Won Joon Shim, Shuhei Tanaka, Shuhei Tanaka, Won Joon Shim, Won Joon Shim, Shuhei Tanaka, Won Joon Shim, Hideshige Takada Won Joon Shim, Shuhei Tanaka, Hideshige Takada Won Joon Shim, Won Joon Shim, Won Joon Shim, Won Joon Shim, Won Joon Shim, Hideshige Takada Won Joon Shim, Won Joon Shim, Chengjun Sun, Satoru YUKIOKA, Hideshige Takada Wenjiao Li, Won Joon Shim, Satoru YUKIOKA, Ibukun Oluwoye, Won Joon Shim, Won Joon Shim, Hideshige Takada Hideshige Takada Hideshige Takada Won Joon Shim, Satoru YUKIOKA, Won Joon Shim, Hideshige Takada Ibukun Oluwoye, Ibukun Oluwoye, Ibukun Oluwoye, Won Joon Shim, Shuhei Tanaka, Won Joon Shim, Shuhei Tanaka, Won Joon Shim, Won Joon Shim, Shuhei Tanaka, Shuhei Tanaka, Won Joon Shim, Shuhei Tanaka, Shuhei Tanaka, Won Joon Shim, Hideshige Takada Satoru YUKIOKA, Won Joon Shim, Satoru YUKIOKA, Satoru YUKIOKA, Satoru YUKIOKA, Satoru YUKIOKA, Hideshige Takada Won Joon Shim, Sachithra Imbulana, Hideshige Takada Won Joon Shim, Hideshige Takada Won Joon Shim, Won Joon Shim, Hideshige Takada Won Joon Shim, Won Joon Shim, Won Joon Shim, Won Joon Shim, Won Joon Shim, Won Joon Shim, Won Joon Shim, Shuhei Tanaka, Ibukun Oluwoye, Kazuhiko Mochida, Kazuhiko Mochida, Hideshige Takada Won Joon Shim, Hideshige Takada Chengjun Sun, Won Joon Shim, Won Joon Shim, Hideshige Takada Hideshige Takada Won Joon Shim, Shuhei Tanaka, Won Joon Shim, Hideshige Takada Won Joon Shim, Won Joon Shim, Won Joon Shim, Won Joon Shim, Won Joon Shim, Won Joon Shim, Chengjun Sun, Hideshige Takada Hideshige Takada Hideshige Takada Shuhei Tanaka, Kazuhiko Mochida, Chengjun Sun, Hideshige Takada Hideshige Takada Hideshige Takada Shuhei Tanaka, Won Joon Shim, Kazuhiko Mochida, Shuhei Tanaka, Hideshige Takada Hideshige Takada Hideshige Takada Hideshige Takada Hideshige Takada Won Joon Shim, Won Joon Shim, Won Joon Shim, Won Joon Shim, Hideshige Takada Won Joon Shim, Won Joon Shim, Won Joon Shim, Hideshige Takada Hideshige Takada Hideshige Takada Hideshige Takada Won Joon Shim, Hideshige Takada Hideshige Takada

Summary

This systematic review summarizes research on microplastic contamination in sea sediments around the world, with a focus on the North Pacific Ocean. The findings highlight the need for standardized monitoring methods and long-term tracking programs, since understanding where microplastics accumulate in ocean sediments helps predict how they enter marine food chains and eventually reach our plates.

Polymers
PE
Study Type Review

Increasing production and inadequate management of plastic waste have resulted in the accumulation of plastic debris in the global biogeochemical cycles. In natural environments, these plastics become micronized by various physicochemical reactions, leading to the formation of microplastics. This review provides a concise literature account of the current state of MP contamination in sea sediments worldwide. We report on the capacity of the adopted sampling, pretreatment, and identification methods and provide recommendations for sustainable long-term deep-sea sediment monitoring programs. Our systematic review showed that for MP contamination in marine sediments, the number density of MPs with a minimum particle size of 0.1 mm ranges from 10 to 1,000 items/kg-dry weight. On the other hand, the number density of MPs with a minimum particle size of 0.01 mm ranges from 100 to 10,000 items/kg-dry weight. In all 31 papers analyzed, the percentage of fragments and fibers was over 50%. Polyethylene, used in containers and packaging, and polyester, a fiber used in clothing, were the most common polymer components. Analysis of sediment cores can reveal the history of MPs contamination. In addition, the deep-sea sediments have been identified as the endpoints of MPs that occur in the environment.

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