Frontmatter -- CONTENTS -- GREETINGS -- Opening address to the Symposium -- Part I: PLENARY LECTURES -- BIOSYNTHESIS OF ALGINATE -- PHOTOBIOLOGY OF SEAWEEDS: ECOPHYSIOLOGICAL ASPECTS -- THE HOLE OF OLEFINIC HYDROCARBONS IN SEXUAL REPRODUCTION OF MARINE BROWN ALGAE -- THE DOMESTICATION AND CULTIVATION OF CALIFORNIAN MACROALGAE -- MARINE PHYCOLOGY AND EXPLOITATION OF SEAWEEDS IN SOUTH AMERICA -- REFLECTIONS ON THE INTERRELATIONSHIPS BETWEEN RED SEAWEED SOURCE CHEMISTRY AND USES -- MARINE PHYCOCULTURE IN CHINA -- Part II: ORDINARY LECTURES -- 1. Distribution, Morphology, Taxonomy -- LIFE HISTORY OF GYMNOGONGRUS GRIFFITHSIAE (TURNER) MARTIUS -- TAXONOMIC AND BIOLOGICAL STUDIES ON SPECIES OF IRIDAEA BORY IN CENTRAL CHILE -- MORPHOLOGICAL STUDIES ON AGARDHIELLA SCHMITZ (GIGARTINALES, RHODOPHYTA) FROM VENEZUELA -- OB DEEP-SEA RED ALGAL VEGETATIONS IN THE JAPAN SEA, AND A NEW NEMASTOMACEOUS ALGA, PREDAEOPSIS JAPONICA N. GEN. N. SP. -- ON THE IDENTITY OF LAURENCIA PINNATIFIDA FROM SCANDINAVIAN COASTS -- SEXUAL REPRODUCTION IN THE PALMARIACEAE -- EGG LIBERATION IN SOME JAPANESE SARGASSACEAE (PHAEOPHYCEAE) -- PORTERINEMA FLUVIATILE AS A STAGE IN THE LIFE HISTORY OF SORAPION KJELLMANII (FUCOPHYCEAE, RALFSIACEAE). -- EFFECTS OF ENVIRONMENTAL FACTORS ON THE DIURNAL PERIODICITY OF TETRASPORES OF SOME GIGARTINALES (RHODOPHYTA) -- THE MARINE SEAWEED OF CHILE'S TENTH REGION (Valdivia, Osorno, Llanquihue and Chilofe) -- 2. Ecology -- ON THE VEGETATION DYNAMICS OF GRACILARIA SPEC. IN PLAYA CHANGA, COQUIMBO, CHILE -- THE PHYTOBENTHOS OF A MEDITERRANEAN HARBOUR, PORT-VENDRES -- BIOGEOGRAPHY AND ECOLOGY OF THE SICILY CHANNEL -- THE ECOLOGICAL IMPORTANCE OF KELP-LIKE HOLDFASTS AS A HABITAT OF INVERTEBRATES III CENTRAL CHILE -- PRODUCTIVITY OF LAMINARIA SOLIDUNGULA J. AG. IN THE CANADIAN HIGH ARCTIC: A YEAR-ROUND STUDY -- VARIATION IN ANNUAL PRODUCTION BY ASCOPHYLLUM NODOSUM (L.)LE JOLIS WITH DEGREE OF EXPOSURE TO WAVE ACTION -- ECOLOGY DISTRIBUTION AND SEASONALITY OF CRYPTONEMIA HIBERNICA GUIRY ET IRVINE ON THE SOUTH COAST OF IRELAND. -- STUDIES ON THE DEVELOPMENT OF PAU4ARIA PALMATA (RHODOPHYCEAE) USING IN SITU CONTROLLED CULTURES -- EFFECTS OF TEMPERATURE AND IRRADIANCE ON GROWTH AND RESPIRATION OF CHONDRUS CRISPUS STACKH -- DISTRIBUTION AND CONTROL OF THE BROWN ALGA SARGASSUM MUTICUM -- REMARKS ON SUCCESSION IN ROCKY INTERTIDAL SYSTEMS -- THE GROWTH, REPRODUCTION, HARVESTING AND MANAGEMENT OF PTEROCLADIA PINNATA (RHODOPHYCEAE) IN THE AZORES, PORTUGAL -- COMPARISON OF GROWTH STRATEGY IN LAMINARIA POPULATIONS LIVING UNDER DIFFERING SEASONAL PATTERNS OF NUTRIENT AVAILABILITY -- FLUCTUATIONS IN EPIPHYTE BIOMASS FOLLOWING LAMINARIA HYPERBOREA CANOPY REMOVAL -- BIOMASS AND VERTICAL DISTRIBUTION OF FURCELLARIA LUMBRICALIS AND ASSOCIATED ALGAE -- THE ALGAL VEGETATION AT A PLATFORM SHORE AT MIKHMORET -- SEASONAL OCCURRENCE OF SCYTOSIPHON LOMENTARIA (SCYTOSIPHONALES, FUCOPHYCEAE) IN RELATION TO ENVIRONMENTAL FACTORS -- TIDE POOL ASSOCIATIONS OF BENTHIC ALGAE IN ICELANDIC WATERS -- PHOTOSYNTHETIC LIPOSOLUBLE PIGMENTS IN SEAWEEDS, PHYSIOLOGICAL AND ECOLOGICAL MEANING -- ASPECTS OF THE LIGHT AND NITROGENOUS NUTRIENT REQUIREMENT FOR GROWTH OF CHORDARIA FLAGELLIFORMIS (O.F.MULL) C.AG. -- BIOLOGICAL DATA OK A SOUTHERN PHAEOPHYCEAE ADENOCYSTIS UTRICULARIS (BORY) SKOITSBERG, POSSIBLE MATERIAL FOR ALGINATE INDUSTRY. -- PRODUCTION ECOLOGY OF CHILEAN GELIDIALES -- ECOLOGY, LIFE HISTORY AND NUCLEUS DNA CONTENTS OF DERBESIA TENUISSIMA FROM THE CARIBBEAN COAST OF COLOMBIA -- CHEMICAL CONSTITUENTS OF SOME BALTIC MACROALGAE IN RELATION TO ENVIRONMENTAL CONDITIONS -- 3. Biochemistry, Physiology -- THE DISTRIBUTION AND COMPOSITION OF POLYMERS IN THE MEDULLA OF ASCOPHYLLUM RECEPTACLES -- ANALYSIS OF KAPPA-IOTA HYBRID CARRAGEENANS WITH KAPPA-CARRAGEENASE, IOTA-CARRAGEENASE AND 13c N.M.R. -- ISOLATION & PRELIMINARY CHARACTERIZATION OF RECEPTORS INVOLVED Hi EGG-SPERM RECOGNITION IN FUCUS SERRATUS -- CARRAGEENAN ANALYSIS IN APOMICTIC GIGARTINA STELLATA - NEW PUZZLES -- CHEMICAL CLEAVAGE OF TANNINS FROM BROWN ALGAE (PHLOROTANNINS) -- IN SITU INVESTIGATION ON THE ENERGY FLOW IN A BALTIC FUCUS COMMUNITY -- NITRATE AND PHOSPHATE UPTAKE IN SMALL POPULATIONS OF LAMIMARÎÀ VIG1TATA (PHAEOPHYCEAE) -- SOME ENZYMATIC PROPERTIES OF POLYMANNURONIC ACID 5-EPIMERASE IN BROWN ALGAE -- DETERMINATION OF URONIC ACID COMPONENTS IN ALGINIC ACID -- THE VARIATION IN CONTENTS OP VARIOUS STATES Of AMINO ACIDS IN PORPHYRA YEZOENSIS -- METABOLIC IMPLICATIONS OF ß-CARBOXYLATION IN BROWN SEAWEED -- EXTRACTS FROM SOME RED AND BROWN SEAWEEDS OF THE PHILIPPINES -- THE TURN-OVER DF SULPHATES DIM THE LAMBDA-CARRAGEENAN DF THE CELL-UALLS DF THE RED SEAWEED GIGARTINALE : CATENELLA OPUNTIA (GREV.) -- SEASONAL VARIATION OF THE CHLOROPHYLL CONTENTS OF GRACILARIA CULTIVATED IN TAIWAN -- A RAPID INFRA-RED CARBON DIOXIDE ANALYSIS SCREENING TECHNIQUE FOR PREDICTING GROWTH AND PRODUCTIVITY OF MARINE ALGAE -- MICRONUTRIENT UPTAKE BY JUVENILE MACROCYSTIS PYRIFERA (L.) -- CARRAGEENANS OF SPECIES IN THE GENUS PHYLLOPHORA -- ENZYMES FROM PSEUDOMONAS CARRAGEENOVORA. APPLICATION TO STUDIES OF CARRAGEENAN STRUCTURE -- THE EFFECT OF CALCIUM-ION CONCENTRATION ON POLY-Q-MANNURONATE C-5-EPIMERASE -- THE INFRARED SPECTRA OF CARRAGEENANS EXTRACTED FROM VARIOUS ALGAE -- THE MeCDPS, A CARRYING SULPHATE'S NUCLEOTIDE OF THE RED SEAWEED CATENELLA OPUNTIA (GREV.) -- PHYSIOLOGICAL RESPONSES OF PORPHIRA UNDER STEADY STATE AND FLUCTUATING SALINITY REGIMES -- COMPARATIVE PHOTOSTNTHETIC STUDIES ON BENTHIC SEAWEEDS -- UPTAKE AND INCORPORATION OF 35S INTO CARRAGEENAN AMONG DIFFERENT STRAINS OF CHONDRUS CRISPUS -- IMMUNOELECTROPHORETIC STUDY OF CHANGES IN CELL WALL ANTIGENS DURING FUCUS EMBRYO DEVELOPMENT -- AGAR FROM AN INTERTIDAL POPULATION OF GRACILARIA SP. -- STUDIES ON PHENOLIC CONTENT OF SOME BROWN ALGAE FROM ADRIATIC SEA -- 4. Cultures -- GROWTH OF THE CYANOPHYTA AGMENELLUM QUADRUPLICATUM CULTIVATED ON GLYCINE OR NITRATE AT VARIOUS TEMPERATURE AND IRRADIANCE CONDITIONS -- GROWTH RESPONSE OF CHONDRUS CRISPUS (RHODOPHYTA, GIGARTINALES) TO LIGHT AND TEMPERATURE IN LABORATORY AND OUTDOOR TANKS CULTURE -- THE APPLICATION OF GENETIC IMPROVEMENT TECHNIQUES TO SEAWEED CULTIVATION: I. STRAIN SELECTION IN THE CARRAGEENOPHYTE CHONDRUS CRISPUS -- CULTIVATION OF GRACILARIA (RHODOPHYCOPHYTA, GIGARTINALES) IN TAIWAN -- MANIPULATION OF THE LAMINARIALEAN LIFE-CYCLE AND ITS CONSEQUENCES FOR KOMBU MARICULTURE -- L.D. Druehl and R. Boal -- EXPLORATORY STUDIES OF VEGETATIVE PROPOGATICN OF MARINE AGLAE: PROCEDURE FOR OBTAINING AXENIC TISSUES -- REVOLUTIONARY IMPACT OF EUCHEUMA CULTIVATION IN THE SOUTH CHINA SEA ON THE CARRAGEENAN INDUSTRY -- BREAKTHROUGH IN THE COMMERCIAL CULTURE OF EUCHEUMA SPINOSUM IN NORTHERN BOHOL, PHILIPPINES -- GROWTH RATES OF CORALLINA (RHODOPHYTA , CORALLINACEAE) IN JAPAN -- EXPERIMENTAL FERTILIZING OF COASTAL MACROCYSTIS BEDS -- STUDIES IN DOMESTICATION OF EUCHEUMA UNCINATUM -- THE "ICE-ICE" PROBLEM IN SEAWEED FARMING -- DEVELOPMENT OF A COASTAL MARINE FARM AND ITS ASSOCIATED PROBLEMS -- TIP-CUTTING OF FRONDS AS A MEANS OF INCREASING PRODUCTION IN LAMINARIA AQUACULTURE -- PRELIMINARY STUDIES ON MASS CULTURE OF GRACILARIA SP USING DIFFERENT NUTRIENT MEDIA -- 5. Application, Biomass, Technology, Utilization -- THE COMPOSITION OF MAȄRL BEDS OF ECONOMIC INTEREST IN NORTHERN BRITTANY, CORNWALL AND IRELAND -- DO WE REALLY NEED TO GROW MACROCYSTIS IN EUROPE? -- AGAR FROM GRACILARIA VERRUCOSA (HUDSON) PAPENFUSS AND GRACILARIA SJOESTEDTII KYLIN FROM NORTHEAST BRASIL -- THE COMMERCIAL COLLECTION AND UTILISATION OF SEAWEEDS IN IRELAND -- METHANE PRODUCTION FROM THE RED SEAWEED GRACILARIA TIKVAHIAE -- THE BIOMASS OF SEAWEEDS AT THE KULLEN, S. SWEDEN -- EXPERIMENTAL HARVESTING OF GRACILARIA IN NEW ZEALAND -- PROBLEMS OF CONVERTING LINEAR GROWTH INCREMENTS OF KELPS TO ESTIMATES OF BIOMASS PRODUCTION -- STUDIES ON GRACILARIA SP. IN BAHIA ARREDONDO, CHUBUT PROVINCE, ARGENTINA -- APPLICATIONS OF AGAROSE IN BIOMEDICAL TECHNIQUES IN RELATION TO PHYSICAL AND CHEMICAL PROPERTIES -- THE RELATIONSHIP BETWEEN ANNUAL LANDINGS OF CHONDRUS DRAGRAKERS, EFFORT, AND STANDING CROP IN THE SOUTHERN GULF OF ST.

LAWRENCE -- CHILEAN SEAWEED RESOURCES: A QUANTITATIVE REVIEW OF POTENTIAL AND PRESENT UTILIZATION -- SUBCOMMERCIAL HARVESTING OF A KELP ON A SOUTH AFRICAN SHORE -- SEASONAL VARIATION OF AGAR-AGAR PRODUCED IN TAIWAN AREA -- THE SEASONAL VARIATION IN THE BI0MAS3 AND REPRODUCTIVE STATES OF GRACILARIA IN MANILA BAY -- Part III. Special Sessions -- METHODS AND TERMINOLOGY IN PHYCOLOGY -- Part IV -- PARTICIPANTS -- SUBJECT INDEX -- TAXONOMIC INDEX -- Backmatter

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