ADSORPTIVE REMOVAL OF CHROMIUM BY DRIED BROWN ALGA <i>SARGASSUM HORNSCHUCHII</i>

PLANKTON COMMUNITY, WATER QUALITY AND GROWTH PERFORMANCE OF NILE TILAPIA AS AFFECTED BY HUMIC ACID IN AQUACULTURE PONDS

REMOVAL OF ZINC AND ITS EFFECT ON SOME MACROMOLECULES AND ULTRASTRUCTURE OF <i>PTEROCLADIA CAPILLACEA</i> AND <i>SARGASSUM HORNSCHUCHII</i>

EFFECT OF ULTRAVIOLET-B IRRADIATION ON FATTY ACIDS, AMINO ACIDS, PROTEIN CONTENTS, ENZYME ACTIVITIES AND ULTRASTRUCTURE OF SOME ALGAE

HOLOCENE DIATOMS FROM GULF OF SUEZ SEDIMENTS, EGYPT