TY JOUR TI STUDY OF BIOLOGY AND NUTRITIONAL VALUE OF ULVA RIGIDA C. AG. AS A PROMISING TARGET SPECIES FOR MARINE AQUACULTURE KW algae KW macrophytes KW Ulva rigida KW mariculture KW life cycle KW pectin KW nutritional value JO Fisheries AU Bityutskaya, O.. AU Bulli, L.I. AU Donchenko, L.V. PY 2020 IS 2020 PB FSBI "TSUREN"