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Abstract <p>Changes in the concentrations of inorganic forms of biogenic elements in the mouth area of the Northern Dvina River are analyzed based on averaged data of long-term observations (2013–2023). The seasonal dynamics of phosphate phosphorus and inorganic nitrogen was similar; their maximum concentrations were observed in winter. Nitrate nitrogen, whose concentration was maximal in winter, became a predominant form of inorganic nitrogen in 2013–2023.</p>

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Peculiarities of the Distribution of Biogenic Elements in the Northern Dvina Mouth Area according to Long-term Monitoring

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • V. M. Bykov,
  • N. V. Klimovskii

摘要

Abstract

Changes in the concentrations of inorganic forms of biogenic elements in the mouth area of the Northern Dvina River are analyzed based on averaged data of long-term observations (2013–2023). The seasonal dynamics of phosphate phosphorus and inorganic nitrogen was similar; their maximum concentrations were observed in winter. Nitrate nitrogen, whose concentration was maximal in winter, became a predominant form of inorganic nitrogen in 2013–2023.