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International Journal on Algae
SJR: 0.219 SNIP: 0.261 CiteScore™: 0.24

ISSN Печать: 1521-9429
ISSN Онлайн: 1940-4328

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International Journal on Algae

DOI: 10.1615/InterJAlgae.v7.i4.70
pages 388-397

Absorption of mineral elements by Laurencia papillosa (Forsk.) Grev. (Rhodophyta) in the process of its growth

V. A. Silkin
Southern Branch of the P.P. Shirshov Inst. of Oceanology, RAS, 353467 Gelendzhik, Krasnodar Region, Russia ; Institute of Cosmic Research, RAS, 84/32, Profsoyuznaya St., 17997Moscow, Russia
I. N. Chubchikova
A.O. Kovalevsky Institute of Biology of Southern Seas, NAS of Ukraine, 2, Nakhimov Pr., Sevastopol 99011, Crimea
I. K. Yevstigneyeva
A.O. Kovalevskiy Institute of Biology of the Southern Seas, National Academy of Sciences of Ukraine, 2, Prosp. Nakhimova, 99053 Sevastopol, Ukraine

Краткое описание

The biomass formation of the Black Sea red macroalga Laurencia papillosa (Forsk.) Grev. (Rhodophyta) and rates of nitrogen and phosphorus absorption by its thalli are estimated during of growth in the accumulative culture. It has been shown that accumulation of biomass at a temperature of 15.5 °C is more intensive than at 21.5 °C. Dynamics of the phosphorus and nitrogen concentration in the medium is of exponential character. The temperature factor exerts no action on the process of phosphorus absorption within the ranges of high concentrations and also on the specific rate of nitrite excretion into the medium. During the first hour of exposure, nitric nitrogen is absorbed more intensively at a temperature of 21.5 °C than at 15.5 °C.