Twelfth International Seaweed Symposium: Proceedings of the Twelfth International Seaweed Symposium held in Sao Paulo, Brazil, July 27–August 1, 1986

Front Matter....Pages I-XXVIII
Opening addresses....Pages 1-3
The main seaweed foods in Japan....Pages 5-29
Utilization of seaweed hydrocolloids in the food industry....Pages 31-47
Using genetic markers in phycological research....Pages 49-56
Progress in the genetics and breeding of economic seaweeds in China....Pages 57-61
Molecular genetic analysis of variation in Costaria costata (Turner) Saunders....Pages 63-67
The mass cultivation of Spirulina platensis in Brazil....Pages 69-70
On the economics of Spirulina production in Chile with details on drag-board mixing in shallow ponds....Pages 71-74
Strain selection of Spirulina suitable for mass production....Pages 75-77
Recent research on Spirulina in Italy....Pages 79-82
A pond for edible Spirulina production and its hydraulic studies....Pages 83-89
Experiments on Spirulina culture on waste-effluent media and at the pilot plant....Pages 91-93
 Spirulina , real aid to development....Pages 95-97
The mass culture of Dunaliella salina for β-carotene: from pilot plant to production plant....Pages 99-105
Competition between Dunaliella species at high salinity....Pages 107-116
The challenge confronting industrial microagriculture: high photosynthetic efficiency in large-scale reactors....Pages 117-121
Enzymatic removal of the cell walls from zygotes of Fucus distichus (L.) Powell (Phaeophyta)....Pages 123-129
Calluses and callus-like growth in seaweeds: Induction and culture....Pages 131-138
Structures and functions of the polysaccharides from the cell wall of Gracilaria verrucosa (Rhodophyceae, Gigartinales)....Pages 139-146
Tissue and cell culture of New Zealand Pterocladia and Porphyra species....Pages 147-154
Workshop on algal polysaccharides....Pages 189-191
Molecular markers for marine algal polysaccharides....Pages 155-160
Carrageenan analysis of tissue cultures and whole plants of Agardhiella subulata ....Pages 161-166
Macroalgal commercialization in the Orient....Pages 167-172
Useful European seaweeds: past hopes and present cultivation....Pages 173-181
Macroalgal commercialization in the United States....Pages 183-188
Taxonomy of some North Atlantic Dictyota species (Phaeophyta)....Pages 193-197
Patterns of apical structure in the genera Gelidium and Pterocladia (Gelidiaceae, Rhodophyta)....Pages 199-203
Morphogenesis of the frond of Gracilaria verrucosa (Huds.) Papenfuss: the differentiation of vegetative and sexual areas....Pages 205-206
Analytical pyrolysis as a taxonomic tool in Gracilaria (Rhodophyta: Gigartinales)....Pages 207-211
Indications of species status from total protein signatures in Callithamnion (Ceramiaceae)....Pages 213-220
Is the frequency of apomeiosis in the Rhodophyta a genetic character?....Pages 221-222
Endophytic algae of Irish moss ( Chondrus crispus Stackh.)....Pages 223-228
Growth responses of two Laminaria saccharina populations to environmental variation....Pages 229-232
Effects of epifauna on algal growth and quality of the agar produced by Gracilaria verrucosa (Hudson) Papenfuss....Pages 233-237
 Gracilaria verrucosa in Golfo Nuevo, Chubut, Argentina. Biological parameters and environmental factors....Pages 239-244
Presence and development of populations of the introduced brown alga Sargassum muticum in the southwest Netherlands....Pages 245-255
Distribution and use of some economically important seaweeds in Iceland....Pages 257-260
Observations on the deep-water flora of Bermuda....Pages 261-266
Community metabolism on rocky-shore assemblages in a mesocosm: A. Fluctuations in production, respiration, chlorophyll a content and C:N ratios of grazed and non-grazed assemblages....Pages 267-275
Effects of diesel oil and subsequent recovery of commercial benthic algae....Pages 277-284
Uses of seaweeds as biomonitors of zinc levels in Cork Harbour, Ireland....Pages 285-290
New developments in the seaweed industry of New Zealand....Pages 291-293
Production of Chilean Gracilaria : problems and perspectives....Pages 295-299
The collection, utilization and potential farming of red seaweeds in Namibia....Pages 301-305
Management of a Gracilaria natural bed in Lenga, Chile: A case study....Pages 307-311
Biological bases for management of Iridaea laminarioides Bory in southern Chile....Pages 313-328
A harvesting strategy for Iridaea laminarioides in central Chile....Pages 329-333
Use of projection matrix models in the assessment of harvesting strategies for Sargassum ....Pages 335-339
Fishing and catch characteristics of an eastern Canadian Irish moss ( Chondrus crispus Stackh.) dragraker....Pages 341-347
Growth and production in wild and cultured stocks of Chondrus crispus ....Pages 349-354
Culture of Eucheuma cottonii and Eucheuma spinosum in Indonesia....Pages 355-358
Farming of Eucheuma in the south Pacific islands of Fiji....Pages 359-362
Seaweed culture in Rio Grande do Norte, Brazil....Pages 363-367
Culture of Gracilaria sp. in outdoor tanks: productivity....Pages 369-373
Growth of Gracilaria sp. in the laboratory....Pages 375-379
Preliminary experiments on the cultivation of the brown alga Laminaria (Phaeophyta) Lamouroux in Brazil....Pages 381-385
An economic appraisal for the onshore cultivation of Laminaria spp....Pages 387-398
Growth rates in culture of several species of Sargassum from Florida, USA....Pages 399-404
Microorganisms as digestors of seaweed cell walls....Pages 405-409
Effects of PCBs and hydrazine on life processes in microscopic stages of selected brown seaweeds....Pages 411-415
Use of Cystoseira and Sargassum embryonic sporophytes for testing toxicity effects....Pages 417-423
Acute toxicity of nonpersistent oils on Porphyra and Monostroma ....Pages 425-429
Nitrogen metabolism in Gracilaria secundata Harv....Pages 431-441
The efficacy of dissolved inorganic nitrogen for quality in cultivated laver....Pages 443-446
Critical light conditions for young Ecklonia cava and Eisenia bicyclis with reference to photosynthesis....Pages 447-455
Studies on the distribution and metabolism of D-rhodoic acid in algae....Pages 457-461
Antibiotic activity of lipid-soluble extracts from Caribbean marine algae....Pages 463-469
Fatty acids as antimicrobial substances in brown algae....Pages 471-475
Preliminary information on the ascorbic acid content in some Adriatic seaweeds....Pages 477-481
Biological activity in Macrocystis pyrifera from Argentina: sodium alginate, fucoidan and laminaran. I. Antitumor, cytotoxicity and humoral immune response....Pages 483-489
Biological activity in Macrocystis pyrifera from Argentina: sodium alginate, fucoidan and laminaran. II. Genotoxicity....Pages 491-496
Biological activity in Macrocystis pyrifera from Argentina: sodium alginate, fucoidan and laminaran. III. Antiviral activity....Pages 497-500
Seasonal fluctuations of growth rate and chemical composition of Gracilaria cf. conferta in outdoor culture in Israel....Pages 501-507
Studies of the yield of agar, gel strength and quality of agar of Gracilaria edulis (Gmel.) Silva from Brazil....Pages 509-512
Protein and amino acids analysis during alimentary-agar extraction from Gelidium sesquipedale ....Pages 513-522
The chemical substitution of the agar-type polysaccharide from Gracilaria secundata f. pseudoflagellifera (Rhodophyta)....Pages 523-529
Polysaccharides from nuclear phases of Iridaea ciliata and I. membranacea ....Pages 531-534
Seasonal study of carrageenan structures from female gametophytes of Chondrus crispus Stackhouse (Rhodophyta)....Pages 535-539
Characteristics of alginate from Laminaria digitata cultivated in a high-phosphate environment....Pages 541-549
Extraction of alginic acid from a Brazilian brown alga, Laminaria brasiliensis ....Pages 551-555
Isolation and characterization of hydrogenase from Spirulina platensis ....Pages 557-561
Purification and some properties of L -amino acid oxidase from Amphiroa crassissima Yendo....Pages 563-569
Genetic analysis of Klebsiella pneumoniae alginate lyase by transposon Tn 10 mutagenesis....Pages 571-575
Back Matter....Pages 577-590