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dc.contributor.authorMsuya, F.E.
dc.contributor.authorNeori, A.
dc.date.accessioned2004-08-26T15:47:06Z
dc.date.available2004-08-26T15:47:06Z
dc.date.issued2002
dc.identifier.citationWestern Indian Ocean J. Marine Science, 1 (2), p. 117-126en
dc.identifier.issn0856-860x
dc.identifier.urihttp://hdl.handle.net/1834/33
dc.descriptionResearch Groups: Department of Plant Sciences, Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel The National Centre for Mariculture, Israel Oceanographic and Limnological Research, P.O. Box 1212, Eilat 88112, Israelen
dc.description.abstractMacroalgae (seaweed) can be cultured effectively for the production of useful algal biomass and removal of nutrients from fishpond effluents. A land-based, tide/gravity-driven flow-through, fish-macroalgae integrated system was studied at Makoba Bay, Zanzibar, Tanzania, during May-October, 2000. Rectangular cages made of 1-inch mesh netting were constructed in channels that received the outflows of the fishponds. Four species of macroalgae were planted in the cages and compared for their usefulness as biofilters. Gracilaria crassa and Ulva reticulata grew at average rates of 1.5 and 1.2 %, respectively. Both species removed nitrogen as seaweed protein at rates of up to 0.4 g N/m2/d. The algal biomass produced was of good quality with protein dry weight contents of 13% for Gracilaria crassa and 26 % for Ulva reticulata. The biofilters also raised the pH values of the fishpond effluents and oxygenated the water. In contrast to Ulva and Gracilaria, species of Eucheuma and Chaetomorpha performed poorly in the fishpond effluents.en
dc.format.extent135053 bytes
dc.format.mimetypeapplication/pdf
dc.language.isoen
dc.publisherWestern Indian Ocean Marine Science Association (WIOMSA)en
dc.subjectAlgaeen
dc.subjectBiofiltersen
dc.subjectSeaweedsen
dc.subjectProteinsen
dc.subjectMarine aquacultureen
dc.subjectNutrientsen
dc.subjectEutrophicationen
dc.subjectSustainable developmenten
dc.subjectISW, Tanzaniaen
dc.titleUlva reticulata and Gracilaria crassa: Macroalgae That Can Biofilter Effluent from Tidal Fishponds in Tanzaniaen
dc.typeJournal Contribution
dc.bibliographicCitation.endpage126
dc.bibliographicCitation.issue2
dc.bibliographicCitation.stpage117
dc.bibliographicCitation.titleWestern Indian Ocean J. Marine Scienceen
dc.bibliographicCitation.volume1
dc.description.statusPublisheden
refterms.dateFOA2021-01-30T18:47:33Z


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