Gracilaria corticata cultivation in fiberglass tanks and Agar extraction

Document Type : Research Paper

Authors

1 Arak

2 Bandarabbas

Abstract

In order to culture the G. corticata for further agar extraction, during one year study (2001), 3 treatments with 3 different densities of 500, 1000 and 2000 g/m2 and 3 replicates were cultured in fiberglass tanks. During the culture period the parameters of temperature, pH and salinity were measured and 30-40 percent of water was exchanged once every two days. The aeration activity was constantly done and also 0.5g urea added into the water after exchanging the water. The biometric measurement of algae was carried out every week and ultimately end of the period culture, the daily growth and net production (wet weight) was calculated in proportion to g/m2. Also, amount of extracted agar (dry weight) estimated seasonally.

Keywords

Iranian Scientific Fisheries Journal
Volume 13, Issue 3
November and December 2004
Pages 27-37

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