p. 133- 139

CONTRIBUTIONS TO THE STUDY OF THE ELEMENTARY CHEMICAL 
COMPOSITION OF THE PRINCIPAL MACROPHYTES ALONG THE
ROMANIAN COAST OF THE BLACK SEA


Natalia Rosoiu and A.S. Bologa

Romanian Marine Research Institute Constanta

Abstract
The seasonal variations of Na+, K+, Ca2+ and Mg2+ contents of
Enteromorpha linza, Cladophora sericea, Cl. vagabunda, Cystoseira
barbata, Ceramium elegans and Zostera marina + Z. nana are presented;
the concentration of these elements varies according to their
taxonomic pertaining, provenience location and season.