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<p>Aquatic plant communities form distinctive spatial patterns in the littoral zone. These communities are grouped into three main classes (<i>Potamogetonetea</i>, <i>Lemnetea</i> and <i>Littorelletea uniflorae</i>) according to their species composition. We hypothesized that the phytosociological distinctiveness of the communities is confirmed by habitat diversity, regardless of class membership or ecological amplitude. The study covered the entire northern Poland and included 25 communities, representing the majority of known aquatic plant communities in the area. The research was conducted between 1978 and 2017, involving a total of 587 vegetation patches. Using the phytosociological method and chemical analyses of water and sediment, we confirmed our hypothesis. The key water parameters differentiating the communities' habitats were pH, Ca<sup>2</sup>⁺, total Fe, COD-KMnO<sub>4</sub>, Na⁺, K⁺, Cl⁻, dissolved SiO₂ and PO₄<sup>3</sup>⁻. The most distinguishing sediment characteristics were pH, Ca<sup>2</sup>⁺, hydration, organic matter, total N, dissolved SiO₂ and PO₄<sup>3</sup>⁻. The <i>Potamogetonetea</i> communities showed closer similarities to the <i>Littorelletea</i> class than to the <i>Lemnetea</i> class in terms of water habitat. Some phytosociologically distant communities shared habitat characteristics; for example, the <i>Ricciocarpetum natantis</i>, <i>Riccietum fluitantis</i>, <i>Nupharetum pumilae</i> and <i>Littorelletea</i> communities were similar in terms of Ca<sup>2</sup>⁺ and pH. Most of the studied communities are good bioindicators of their habitats.</p>

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The ecological status and bioindicative value of aquatic plant communities occurring in standing waters of northern Poland

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月7日

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  • Stanisław Kłosowski,
  • Monika Podgórska,
  • Ewa Jabłońska,
  • Paweł Pawlikowski

摘要

Aquatic plant communities form distinctive spatial patterns in the littoral zone. These communities are grouped into three main classes (Potamogetonetea, Lemnetea and Littorelletea uniflorae) according to their species composition. We hypothesized that the phytosociological distinctiveness of the communities is confirmed by habitat diversity, regardless of class membership or ecological amplitude. The study covered the entire northern Poland and included 25 communities, representing the majority of known aquatic plant communities in the area. The research was conducted between 1978 and 2017, involving a total of 587 vegetation patches. Using the phytosociological method and chemical analyses of water and sediment, we confirmed our hypothesis. The key water parameters differentiating the communities' habitats were pH, Ca2⁺, total Fe, COD-KMnO4, Na⁺, K⁺, Cl⁻, dissolved SiO₂ and PO₄3⁻. The most distinguishing sediment characteristics were pH, Ca2⁺, hydration, organic matter, total N, dissolved SiO₂ and PO₄3⁻. The Potamogetonetea communities showed closer similarities to the Littorelletea class than to the Lemnetea class in terms of water habitat. Some phytosociologically distant communities shared habitat characteristics; for example, the Ricciocarpetum natantis, Riccietum fluitantis, Nupharetum pumilae and Littorelletea communities were similar in terms of Ca2⁺ and pH. Most of the studied communities are good bioindicators of their habitats.