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International Journal on Algae

Published 4 issues per year

ISSN Print: 1521-9429

ISSN Online: 1940-4328

SJR: 0.168 SNIP: 0.377 CiteScore™:: 0.6 H-Index: 11

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

Volume 7, Issue 4, 2005, pp. 388-397
DOI: 10.1615/InterJAlgae.v7.i4.70
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ABSTRACT

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.

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