Фиторазнообразие сообществ класса Potametea Klika in Klika et Novák 1941 малых водотоков (бассейн реки Припять, Беларусь)

Abstract

Preliminary results of the study aquatic vegetation of transformed small watercourses of Pripyat River Basin presents in the paper. Presents a characteristic of the communities of the class PotameteaKlika in Klika et Novák 1941: associations Nymphaeoalbae-Nupharetumlutea Nowiński 1927, Elodeetum canadensis Nedelcu 1967, Potametumnatantis Soó 1927. The morphological structure of communities is described. The qualitative and quantitative characteristics of the species composition of associations. For each association the characteristics of ecological parameters are given: rhumidification levels, illumination, trophicity and acidity of the substrate.