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Isotope Composition of Nitrogen and Stoichiometric Ratios of Elements in Biomass of Spirogyra in Lake Baikal / M. I. Gladyshev, L. A. Glushchenko, E. S. Kravchuk [et al.] // Doklad. Biochem. Biophys. - 2020. - Vol. 491, Is. 1. - P70-72, DOI 10.1134/S1607672920020088
. - ISSN 1607-6729
Кл.слова (ненормированные):
C:N:P stoichiometry -- inorganic nutrients -- “green tide,” green filamentous algae
Аннотация: Abstract: Using stable isotope analysis of nitrogen, for the first time the hypothesis on different sources of inorganic nutrients for two groups of littoral algae in Lake Baikal was confirmed. Strongly attached filamentous algae of genus Ulothrix, which developed in the wave-braking zone at depth 0.5 m, and loosely attached filamentous algae of genus Spirogyra, which developed in deeper layers 3.0–5.0 m in a low-turbulence zone, get inorganic nutrients presumably from surface discharge and groundwater inputs, respectively. Besides, stoichiometric ratios C:N and N:P in biomass of the algae indicated that growth of Spirogyra in Lake Baikal was likely limited by nitrogen, while growth of Ulothrix was limited by phosphorus. © 2020, Pleiades Publishing, Ltd.
Scopus
Держатели документа:
Institute of Biophysics, Krasnoyarsk Scientific Center of the Russian Academy of Sciences, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Moscow State University, Moscow, 119991, Russian Federation
Доп.точки доступа:
Gladyshev, M. I.; Glushchenko, L. A.; Kravchuk, E. S.; Anishchenko, O. V.; Kolmakova, A. A.; Kolobov, M. Y.; Razgoniaeva, V. A.; Sushchik, N. N.
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