Библиографическое описание:Impact of Gooselike Birds on Phyto- and Zooplankton of Lakes in the Taimyr Peninsula : научное издание / A. V. Krylov [et al.]. - Текст : непосредственный // Contemporary Problems of Ecology. - 2024. - Т. 17, № 6. - P. 763-769. - This work was carried out with the financial and organizational support of the Project Office for Arctic Development (PORA), State Task of the Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, no. FWES-2024-0024, and State Task of the Institute of Biology and Inland Waters, Russian Academy of Sciences nos. 121051100109-1 and 121051100099-5. - ISSN 1995-4255. - ISSN 1995-4263, DOI 10.1134/S1995425524700525.
Аннотация:The data obtained on the qualitative and quantitative composition of summer phyto- and zooplankton of two lakes of the Taimyr Peninsula indicate a higher trophic status of the water body, which is under pressure from hydrophilic birds. Compared to the background water body, statistically significantly higher phytoplankton abundance (134 600 ± 16 300 cells/L vs. 60 400 ± 11 800 cells/L), zooplankton biomass (134 600 ± 16 300 cells/L vs. 60 400 ± 11 800 cells/L), zooplankton biomass (349.0 ± 170.2 mg/L vs. 64.5 ± 19.5 mg/L), and rotifer biomass (15.6 ± 3.5 mg/L vs. 1.6 ± 0.4 mg/L) and their dominance, as well as saprobic index (1.71 ± 0.09 vs. 1.48 ± 0.06), are registered. At the same time, specific features of community organization are revealed—higher species richness of phyto- and zooplankton and the absence of Cyanobacteria in phytoplankton composition and statistically a significantly higher abundance of Bacillariophyta (80 700 ± 11 800 kl./L vs. 31 700 ± 650 kl./L) and number of species (4 vs. 2) and biomass (326.6 mg/L vs. 60.6 ± 18.8 mg/L) of copepods, which may be determined by the peculiarities of hydrobionts reaction to the products of bird activity. This allows us to speak about the prospects of guanotrophication to improve the trophic status of water bodies without the significant deterioration of environmental quality and biodiversity of hydrobiont communities.
Держатель оригинала документа:Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, Siberian Federal University
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