Growth of Gracilaria edulis in relation to environmental factors in field cultivation

Kaliaperumal, N and Chennubhotla, V S Krishnamurthy and Kalimuthu, S and Ramalingam, J R and Muniyandi, K (1993) Growth of Gracilaria edulis in relation to environmental factors in field cultivation. Seaweed Research and Utilisation, 16 (1 & 2). pp. 167-176.


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Field cultivation of Gracilaria edulis was carried out in the nearshore areas of Gulf of Mannar and Palk Bay near Mandapam to determine the various environmental factors which affect the growth of this agar yielding seaweed. These culture experiments were conducted in Gulf of Mannar from October to April during the years 1986-89 and in Palk Bay from April to October during the years 1987-88 when the sea was calm at both places. The epiphytes, epifauna, Low light intensity and sedimentation caused by turbulence of water and grazing by fishes were found to be the primary factors hampering the growth of cultured G. edulis. There was no good growth of G. edulis in Palk Bay during the entire period of this study. But in Gulf of Mannar the growth of G. edulis was good between November and March with maximum yield during the months December to February1 March. The suitable period for field cultivation of G. edulis in Gulf of Mannar is from December to March.

Item Type: Article
Uncontrolled Keywords: Growth; Gracilaria edulis; environmental factors; field cultivation
Subjects: Algae
Algae > Seaweed
Divisions: CMFRI-Mandapam
CMFRI-Cochin > Fishery Environment
Depositing User: Arun Surendran
Date Deposited: 03 Nov 2010 08:25
Last Modified: 09 Sep 2015 15:35

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