Spatiotemporal variations and the ecological risks of organophosphate esters in Laizhou Bay waters between 2019 and 2021: Implying the impacts of the COVID-19 pandemic.

Water Res · 2023 · PMC9943543 · PMID 36842327

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a decreasing trendno p-value reported

Most individual OPEs displayed a decreasing trend in their concentrations in 2021 compared with those before the COVID-19 outbreak, ranging from 7–99% ( Fig. 2 ).

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an increasing trendno p-value reported

The median concentration of TNBP in the bay water also showed an increasing trend (120%) from 2019 to 2021, which was likely due to the higher riverine input by the JR and Yongwen River (YWR).

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.