Nineteenth International Seaweed Symposium (eBook)

Advances in cultivation of Gelidiales 2
Production, use and fate of Chilean brown seaweeds: re- sources for a sustainable fishery 8
Cultivation of the green alga, Codium fragile (Suringar) Hariot, by artificial seed production in Korea 20
Distribution and symptoms of epiphyte infection in major carrageenophyte- producing farms 28
The occurrence of pinhole disease in relation to developmental stage in cultivated Undaria pinnatifida ( Harvey) Suringar ( Phaeophyta) in Korea 36
The potential for seaweed resource development in subarctic Canada Nunavik, Ungava Bay
The characterization of color mutations in Bangiaceae ( Bangiales, Rhodophyta) 50
Public health and carrageenan regulation: a review and analysis 56
Effect of alkali treatment time and extraction time on agar from Gracilaria vermiculophylla 66
Effects of extraction parameters on gel properties of carrageenan from Kappaphycus alvarezii ( Rhodophyta) 72
Gel-forming structures and stages of red algal galactans of different sulfation levels 78
Carrageenan of Eucheuma isiforme (Solieriaceae, Rhodophyta) from Nicaragua 88
Some properties of alginate gels derived from algal sodium alginate 94
Growth and carrageenan quality of Kappaphycus striatum var. sacol grown at different stocking densities, duration of culture and depth 102
Purification and characterization of a N-acetylglucosaminidase produced by Talaromyces emersonii during growth on algal fucoidan 108
Essential role of seaweed cultivation in integrated multi- trophic aquaculture farms for global expansion of mariculture: an analysis 118
Opportunities and challenges for the development of an integrated seaweed- based aquaculture activity in Chile: determining the physiological capabilities of Macrocystis and Gracilaria as biofilters 122
Integrated seaweed cultivation on an abalone farm in South Africa 130
Determining the most appropriate feeding regime for the South African abalone Haliotis midae Linnaeus grown on kelp 148
Palm oil mill effluent (POME) cultured marine microalgae as supplementary diet for rotifer culture 154
Seaweed micropropagation techniques and their potentials: an overview 160
Seaweed protoplasts: status, biotechnological perspectives and needs 170
Preparation of protoplasts from Laminaria japonica using native and recombinant abalone alginate lyases 184
Protoplast isolation and regeneration from Gracilaria changii ( Gracilariales, Rhodophyta) 192
Callus induction and micropropagation improved by colchicine and phytoregulators in Kappaphycus alvarezii ( Rhodophyta, Solieriaceae) 204
Bioactive volatile compounds from marine algae: feeding attractants 212
Liquid seaweed extracts identified using 216
NMR profiles 216
The use of HRMAS NMR spectroscopy to study the in vivo intra– cellular carbon/ nitrogen ratio of Solieria chordalis ( Rhodophyta) 224
Growth, pigments, UV-absorbing compounds and agar yield of the economic red seaweed Gracilaria lemaneiformis ( Rhodophyta) grown at different depths in the coastal waters of the South China Sea 232
Changes of growth characteristics and free amino acid content of cultivated Porphyra yezoensis Ueda ( Bangiales Rhodophyta) blades with the progression of the number of harvests in a nori farm 238
Environment determines nitrogen content and stable isotope composition in the sporophyte of Undaria pinnatifida ( Harvey) Suringar 246
Antioxidant activities of phlorotannins isolated from Japanese Laminariaceae 256
Algicidal activity of polyunsaturated fatty acids derived from Ulva fasciata and U. pertusa ( Ulvaceae, Chlorophyta) on phytoplankton 264
Potential use of seaweeds in the laying hen ration to improve the quality of n- 3 fatty acid enriched eggs 272
Physiological differences in the growth of Sargassum horneri between the germling and adult stages 280
Effects of temperature, photosynthetic photon flux density, photoperiod and O2 and CO2 concentrations on growth rates of the symbiotic dinoflagellate, Amphidinium sp. 288
Photosynthetic and respiratory responses of Gracilaria vermiculophylla ( Ohmi) Papenfuss collected from Kumamoto, Shizuoka and Iwate, Japan 294
In situ study of relative electron transport rates in the marine macroalga Fucus vesiculosus in the Baltic Sea at different depths and times of year 302
Effects of photon flux density and agricultural fertilizers on the development of Sarcothalia crispata tetraspores ( Rhodophyta, Gigartinales) from the Strait of Magellan, Chile 308
Effects of kinetin and nitrogen on growth rates, pigment and protein contents in wild and phycoerythrin- deficient strains of Hypnea musciformis ( Rhodophyta) 318
Rapid and slow modulation of nitrate reductase activity in the red macroalga Gracilaria chilensis ( Gracilariales, Rhodophyta): influence of different nitrogen sources 326
Molecular characterization of four genes involved in sulfur metabolism in Porphyra purpurea ( Roth) C. Agardh 334
Floating period of Sargassacean thalli estimated by the change in density 348
Abundance of drifting seaweeds in eastern East China Sea 352
Diversity, biomass and distribution pattern of Sargassum beds in the South West lagoon of New Caledonia ( South Pacific) 362
Sargassum muticum (Yendo) Fensholt in Ireland: an invasive species on the move 376
Effect of seawater temperature on the productivity of Laminaria japonica in the Uwa Sea, southern Japan 384
Eisenia bicyclis bed coverage off Oshika Peninsula, Japan, in relation to sporophyte survival and Strongylocentrotus nudus abundance 396
Algal communities at Gouqi Island in the Zhoushan archipelago, China 404
A field test of porous carbonated blocks used as artificial reef in seaweed beds of Ecklonia cava 414
Seaweed of the littoral zone at Cove Island in Long Island Sound: annual variation and impact of environmental factors 420
Gametophyte-sporophyte coalescence in populations of the intertidal carrageenophyte Mazzaella laminarioides ( Rhodophyta) 434
Growth and survival performance of the gametophyte of Gigartina skottsbergii ( Rhodophyta, Gigartinales) under defined nutrient conditions in laboratory culture 440
UVB effects on early developmental stages of commercially important macroalgae in southern Chile 448
Can macroalgae recover, 13 months after the 2004 Tsunami?: a case study at Talibong Island, Trang Province, Thailand 458
Differing patterns of hsp70 gene expression in invasive and native kelp species: evidence for acclimation- induced variation 466
Early development of germlings of Sargassum thunbergii ( Fucales, Phaeophyta) under laboratory conditions 476
Seaweeds preferred by herbivorous fishes 484
Making the links: towards a global taxonomy for the red algal genus Porphyra ( Bangiales, Rhodophyta) 490
Cryptic diversity, biogeography and genetic variation in Northeast Pacific species of Porphyra sensu lato ( Bangiales, Rhodophyta) 502
Taxonomy and distribution of Sargassum (Phaeophyceae) in the Gulf of Thailand 514
Phylogeography of the genus Ulva (Ulvophyceae, Chlorophyta), with special reference to the Japanese freshwater and brackish taxa 530
Observations on the division characterization of diploid nuclear in Porphyra ( Bangiales, Rhodophyta) 542