Growth, Agar Yield and Quality of Selected Agarophyte Species from the Philippines
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K. G. Araño
Abstract
Three local agarophyte species (Gracilaria firma, Gracilaria sp. and Gracilariopsis bailinae) were grown under controlled outdoor flow-through culture conditions. Growth rates and agar characteristics of the three species were determined. Gracilaria firma showed superior growth and agar quality among the three species. It exhibited the highest growth rate, highest agar gel strength and was observed to be highly resistant to epiphytes. Growth experiments under various light and ammonium combinations showed that the highest photon flux density level (900 μ mol m−2s−1) and moderate ammonium (150 μM NH4Cl) concentration gave the highest growth rates for all species. The single and interactive effects of light and ammonium enrichment on growth and agar characteristics of the three species were highly significant.
Copyright (c)2000 by Walter de Gruyter GmbH & Co. KG
Articles in the same Issue
- Contents
- Taxonomical Index
- Subject Index
- Author Index
- Common Diatom Species in Arctic Spring Blooms: Their Distribution and Abundance
- Growth, Agar Yield and Quality of Selected Agarophyte Species from the Philippines
- Experimental Analysis of Rhodophyte Photoacclimation to PAR and UV-Radiation using In Vivo Absorbance Spectroscopy
- Extubocellulus spinifer (Hargraves et Guillard) Hasle, von Stosch et Syvertsen (Bacillariophyceae) in North Brittany
- Temporal Dynamics of Zostera marina L. off the Lagoon of Grado (Northern Adriatic Sea, Italy)
- Filamentous Algae Dominate a Tropical Reef Community in the Mexican Caribbean: an Unexpected Organisation of Reef Vegetation
- Phosphoenolpyruvate Carboxykinase from the Marine Diatom Skeletonema costatum and the Phaeophyte Laminaria setchellii. I. Isolation and Biochemical Characterization
- Taxonomic Notes on Marine Algae from Malaysia. IV. Six Species of Ceramiales (Rhodophyceae)
- Grazing of Inflorescences of the Seagrass Posidonia oceanica (L.) Delile
- Acknowledgement
Articles in the same Issue
- Contents
- Taxonomical Index
- Subject Index
- Author Index
- Common Diatom Species in Arctic Spring Blooms: Their Distribution and Abundance
- Growth, Agar Yield and Quality of Selected Agarophyte Species from the Philippines
- Experimental Analysis of Rhodophyte Photoacclimation to PAR and UV-Radiation using In Vivo Absorbance Spectroscopy
- Extubocellulus spinifer (Hargraves et Guillard) Hasle, von Stosch et Syvertsen (Bacillariophyceae) in North Brittany
- Temporal Dynamics of Zostera marina L. off the Lagoon of Grado (Northern Adriatic Sea, Italy)
- Filamentous Algae Dominate a Tropical Reef Community in the Mexican Caribbean: an Unexpected Organisation of Reef Vegetation
- Phosphoenolpyruvate Carboxykinase from the Marine Diatom Skeletonema costatum and the Phaeophyte Laminaria setchellii. I. Isolation and Biochemical Characterization
- Taxonomic Notes on Marine Algae from Malaysia. IV. Six Species of Ceramiales (Rhodophyceae)
- Grazing of Inflorescences of the Seagrass Posidonia oceanica (L.) Delile
- Acknowledgement
