Taxonomic composition of algoflora of the Solonka River (Kazan, Republic of Tatarstan)
https://doi.org/10.33580/24092444_2024_1_7
Abstract
The results of studies of the taxonomic composition of the algoflora of the plankton of the Solonka River (Republic of Tatarstan) are presented. A list of 95 taxa ranked below the genus is provided, indicating their ecological and geographical characteristics and occurrence. The analysis of the taxonomic structure and the assessment of the generic coefficient are carried out. The basis of the taxonomic composition is represented by cosmopolitans, typically planktonic, freshwater forms, indifferent and alkaliphiles in relation to the active reaction of water, β-mesosaprobes. The flora is formed by 67 genera, 42 families, 28 orders, 11 classes and 8 departments. The most significant role in the taxonomic diversity of phytoplankton among the orders and families is played by euglenic, green, cyanoprokaryotes and diatoms. A comparison of the values of the generic coefficient for in dividual taxa in the rank of departments showed that Euglenophyta with representatives of the genera Trachelomonas and Phacus, concentrated on the middle section of the river, is characterized by the greatest floral richness. According to the functional classification, they belong to groups W1 and W2, as inhabitants of shallow eutrophic reservoirs. The high generic coefficient of euglena is due to favorable conditions in the river area for the development of closely related species. The quantitative distribution of taxa (species, genera, generic coefficient) in phytoplankton along the river has a discrete character with the highest indicators in the middle part of the river, near the locations of settlements.
About the Authors
K. I. Abramova
Research Institute for Problems of Ecology and Mineral Wealth Use of Tatarstan Academy of Sciences
Russian Federation
Russian Federation
Abramova Kseniya Ivanovna, Candidate of Biology, Senior Researcher of the Laboratory of hydrobiology
420087, Kazan, Daurskaya str., 28
R. P. Tokinova
Research Institute for Problems of Ecology and Mineral Wealth Use of Tatarstan Academy of Sciences
Russian Federation
Russian Federation
Tokinova Rimma Petrovna, Candidate of Bi ology, Leading Researcher of the Laboratory of hydrobiologу
420087, Kazan, Daurskaya str., 28
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Review
For citations:
Abramova K.I., Tokinova R.P. Taxonomic composition of algoflora of the Solonka River (Kazan, Republic of Tatarstan). Botanical Journal of the North Caucasus. 2024;(1):7-16. (In Russ.) https://doi.org/10.33580/24092444_2024_1_7
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