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<i style="mso-bidi-font-style:normal"><span style="font-size:11.0pt;font-family:"Times New Roman";mso-fareast-font-family: "Times New Roman";mso-bidi-font-family:Mangal;mso-ansi-language:EN-GB; mso-fareast-language:EN-US;mso-bidi-language:HI" lang="EN-GB">Gracilariopsis longissima</span></i><span style="font-size:11.0pt;font-family:"Times New Roman";mso-fareast-font-family: "Times New Roman";mso-bidi-font-family:Mangal;mso-ansi-language:EN-GB; mso-fareast-language:EN-US;mso-bidi-language:HI" lang="EN-GB"> as biofilter for an Integrated Multi-Trophic aquaculture (IMTA) system with <i style="mso-bidi-font-style: normal">Sciaenops ocellatus</i>: Bioremediation efficiency and production in a recirculating system</span>

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Title Gracilariopsis longissima as biofilter for an Integrated Multi-Trophic aquaculture (IMTA) system with Sciaenops ocellatus: Bioremediation efficiency and production in a recirculating system
 
Creator He, Qing
Yuanzittuo
Zhang, Jianheng
Chai, Zhaoyang
Wu, Hailong
Wen, Shanshan
He, Peimin
 
Subject Biofilter
Macroalgae
Recirculating aquaculture system
Specific growth rate
 
Description 528-537
A recirculating
integrated system producing Sciaenops
ocellatus and Gracilariopsis
longissima (a red seaweed)
was evaluated with respect to nutrient removal efficiency and production. G. longissima was found to be efficient
in removing toxic ammonia and maintaining the water quality within an
acceptable level for S. ocellatus
culture.
Specific growth rate (SGR) of S. ocellatus ranged from 0.064 ± 0.006%
d-1 to 0.099% ± 0.010% d-1. Survival rates of
S. ocellatus were 100% in the
Integrated Multi-Trophic Aquaculture (IMTA) systems. G. longissima had average SGRs

of 3.03 ± 0.11% d-1, 2.48 ± 0.04% d-1, 1.86 ± 0.26% d-1
and 1.12 ± 0.16% d-1 under initial densities of 1 g L-1, 3 g L-1, 6 g L-1 and 9 g L-1,
respectively. Daily average nitrogen and phosphorus uptake rates of G. longissima were negatively correlated
to cultivation densities in the recirculating system. Biofiltration capacity of
G. longissima was confirmed by
significantly reduced concentrations of ammonia, nitrate, nitrite and phosphate
in the integrated system with S.
ocellatus. Results indicated that G.
longissima is suitable as a good candidate for IMTA systems.
 
Date 2014-04-23T09:59:00Z
2014-04-23T09:59:00Z
2014-04
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://hdl.handle.net/123456789/28642
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.43(4) [April 2014]