efficiency of tubular netting method of cultivation for Kappaphycus alvarezii (Rhodophyta, Gigartinales) on the southeastern Brazilian coast

Kappaphycus alvarezii must be adapted to different environmental conditions when introduced to other countries. In Brazilian commercial cultivations with muddy bottoms and increased seawater movement, the floating rafts system using tubular net technique was superior to the tie-tie technique. Howeve...

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Bibliographic Details
Published in:Journal of applied phycology 2015-02, Vol.27 (1), p.421-426
Main Authors: Reis, Renata Perpetuo, das Chagas Pereira, Roberta Rodrigues, de Góes, Henrique Geromel
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
carrageenan
coasts
Ecology
environmental factors
farming systems
Freshwater & Marine Ecology
Gigartinales
Kappaphycus alvarezii
Life Sciences
netting
Plant Physiology
Plant Sciences
Rhodophyta
seawater
seedlings
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Summary:Kappaphycus alvarezii must be adapted to different environmental conditions when introduced to other countries. In Brazilian commercial cultivations with muddy bottoms and increased seawater movement, the floating rafts system using tubular net technique was superior to the tie-tie technique. However, since this result was from only one cultivation cycle, the efficiency of the tubular net technique in other environments and in different periods of the year was analyzed to verify which K. alvarezii farming technique (tubular net or tie-tie) was more efficient with respect to cost, daily growth rate, and carrageenan yield. The results indicated that the efficiency of the tubular net technique in the farming of K. alvarezii yielded higher daily growth rates and lower farming costs as well as retaining more seedlings on the floating raft that is better for the environment preventing invasiveness.
ISSN:0921-8971
1573-5176
DOI:10.1007/s10811-014-0330-6