Investigation of species diversity of epiphytes and phytophages, thalus morphology, growth rates, intensity of photosynthesis, composition and ratio of photosynthetic pigments, metabolic activity of cells of brown seaweed Fucus vesiculosus, placed on depths from 0 to 15 m, was carried out. Results of researches have shown that in the absence of an interspecific competition the depth of 0.5 m is more favorable for Barents Sea F. vesiculosus growth.
Keywords: Fucus vesiculosus, photosynthetic pigments, intensity of photosynthesis, metabolic activity, epiphytes
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