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Effect of monsoon on microplastic bioavailability and ingestion by zooplankton in tropical coastal waters of Sabah

Marine Pollution Bulletin 2023 17 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 45 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

C. Tang, C. Tang, C. Tang, Victor S. Kuwahara, Victor S. Kuwahara, C. Tang, Sandric Chee Yew Leong Sandric Chee Yew Leong, Sandric Chee Yew Leong, Sandric Chee Yew Leong, Victor S. Kuwahara, Sandric Chee Yew Leong Victor S. Kuwahara, Sandric Chee Yew Leong Teruaki Yoshida, Sandric Chee Yew Leong, Sandric Chee Yew Leong, Sandric Chee Yew Leong, Victor S. Kuwahara, Teruaki Yoshida, Teruaki Yoshida, Sandric Chee Yew Leong Sandric Chee Yew Leong Sandric Chee Yew Leong, Sandric Chee Yew Leong Sandric Chee Yew Leong Sandric Chee Yew Leong Sandric Chee Yew Leong Sandric Chee Yew Leong Sandric Chee Yew Leong, Sandric Chee Yew Leong, Sandric Chee Yew Leong Sandric Chee Yew Leong, Sandric Chee Yew Leong, Pak Yan Moh, Sandric Chee Yew Leong, Sandric Chee Yew Leong Sandric Chee Yew Leong Teruaki Yoshida, Pak Yan Moh, Sandric Chee Yew Leong, Teruaki Yoshida, Sandric Chee Yew Leong, Sandric Chee Yew Leong

Summary

Researchers measured seasonal variation in microplastic concentrations and zooplankton ingestion of microplastics in Sepanggar Bay, Malaysia, finding that monsoon-driven environmental changes significantly affect both microplastic bioavailability and uptake by zooplankton in tropical coastal waters.

Plankton seasonality in tropical coastal waters is becoming more apparent as a result of monsoon-driven changes in environmental conditions, but research on the monsoonal variation of microplastics (MP) is still limited. We examined the monsoonal variation of MP in the water column and their ingestion by zooplankton in Sepanggar Bay, Sabah, Malaysia. MP concentrations were significantly higher during the Southwest monsoon whereas MP ingestions showed no monsoonal difference across major zooplankton taxa. Canonical Correspondence Analysis (CCA) and Generalized Additive Models (GAM) indicate that MP concentrations were driven by changes in rainfall and salinity while MP bioavailability to zooplankton was consistent regardless of monsoon. MP ingestion increased progressively up the planktonic food chain, and bioavailability of fibers and small-sized MP of high-density polymers to zooplankton was proportionately higher. Distinct changes in the MP concentration relative to the monsoons provide new insights into the seasonal variation of MP in tropical coastal ecosystems.

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