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DONNEES SUR L'ECOLOGIE ET LA PRODUCTIVITE DES
ESPECES DE CYSTOSEIRA DE LA MER NOIRE


Florian Vasiliu
Institute Roumain de Recherches Marines Constanta

Abstract
The present paper describes some pecularities that have concern with
Cystoseira genera along the Romanian sea shore. Ecological conditions
of the areas populated by these seaweeds, the pronunced trend of them
quantitative diminishing, as well as datum on Cystoseira barbata 
productivity are presented. An original procedure for primary 
productivity determination is decribed, too.