p. 87 - 105 ETUDE DE CERTAINES PARTICULARITIES DE COMPORTEMENT DES ESPECES DE CHAMPIGNONS COMMUNS DU LITTORAL ROUMAIN Mukadder Mujdaba-Apas Institut Roumain de Recherches Marines Constanta Abstract The behaviour of some fungs frequent in the nearshore Romanian Black Sea water is described. Different ranges for temperature, pH and salinity were tested to prove the peculiar capacity of substratum absorbtion. The higher concentration of energetic and plastic sources, the better accomodation to temperature, pH and salinity variations was obtained.