Trends, insights and effects of the Urban Wastewater Treatment Directive (91/271/EEC) implementation in the light of the Polish coastal zone eutrophication.

Environ Manage · 2021 · PMC7904738 · PMID 33452558

Europe PMC DOI

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a decreasing trendno p-value reported

Polish contribution to the Baltic Sea nutrient pollution The analysis of the riverine loads of TN and TP from Polish territory shows a decreasing trend in 1995–2017.

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an increasing trendno p-value reported

Therefore, TN shows an increasing trend with a peak value in 2017 (42,307 Mg/year).

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