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dc.contributor.authorBaldia, S. F.
dc.contributor.authorEvangelista, A. D.
dc.contributor.authorAralar, E. V.
dc.contributor.authorSantiago, A. E.
dc.date.accessioned2014-05-15T08:02:43Z
dc.date.available2014-05-15T08:02:43Z
dc.date.issued2007
dc.identifier.citationBaldia, S. F., Evangelista, A. D., Aralar, E. V., & Santiago, A. E. (2007). Nitrogen and phosphorus utilization in the cyanobacterium Microcystis aeruginosa isolated from Laguna de Bay, Philippines. Journal of Applied Phycology, 19(6), 607-613.en
dc.identifier.issn0921-8971
dc.identifier.urihttp://hdl.handle.net/10862/2056
dc.description.abstractPhytoplankton supports fisheries and aquaculture production. Its vital role as food for aquatic animals, like mollusks, shrimp, and fish cannot be overemphasized. Because of its contribution as a food source for fish, the growth kinetics of Microcystis aeruginosa, a dominant cyanobacterium in the lake, was studied. The regular occurrence of M. aeruginosa is experienced during the months of May to July or from September to November in Laguna de Bay, the largest freshwater lake in the Philippines. M. aeruginosa was collected from Laguna de Bay, isolated, and established in axenic conditions. Data on the growth kinetic parameters for nitrate-nitrogen and phosphate-phosphorus utilization by M. aeruginosa gave the following values: half-saturation constant (Ks), 0.530 mg N. L−1 and 0.024 mg P. L−1 respectively; maximum growth rate (μmax), 0.671. d−1 and 0.668. d−1 respectively; maximum cell yield, 6.5 and 6.54 log, cells. ml−1 respectively; nutrient level for saturated growth yield, 8.71 mg N. L−1 and 0.22 mg P. L−1 respectively; and minimum cell quota (Q0), 2.82 pg N. cell−1 and 0.064 pg P. cell−1 respectively. The low Ks value and high maximum growth rate (μmax) for phosphorus by M. aeruginosa would suggest a high efficiency of phosphorus utilization. On the other hand, the high Ks value for nitrogen indicated a low rate of uptake for this nutrient.en
dc.description.sponsorshipThe study was part of the STD-3 Project “Laguna de Bay, Philippines: An Ecosystem Approach for Sustainable Management” partially funded by the European Union under contract TS3*-CT94-0334.en
dc.language.isoenen
dc.publisherSpringer Verlagen
dc.subjectnutrientsen
dc.subjectMicrocystisen
dc.subjectMolluscaen
dc.subjectMicrocystis aeruginosaen
dc.subjectPhilippinesen
dc.subjectCell quotaen
dc.subjectCyanobacteriumen
dc.titleNitrogen and phosphorus utilization in the cyanobacterium Microcystis aeruginosa isolated from Laguna de Bay, Philippinesen
dc.typeArticleen
dc.identifier.doi10.1007/s10811-007-9209-0
dc.citation.volume19
dc.citation.issue6
dc.citation.spage607
dc.citation.epage613
dc.citation.journalTitleJournal of Applied Phycologyen
seafdecaqd.library.callnumberVF SJ 0818
seafdecaqd.databank.controlnumber2007-27
dc.subject.asfagrowth rateen
dc.subject.asfafreshwater lakesen
dc.subject.asfaestuariesen
dc.subject.asfabrackishwater environmenten
dc.subject.asfaphytoplanktonen
dc.subject.asfafreshwater aquacultureen
dc.subject.asfaprimary productionen
dc.subject.asfafish cultureen
dc.subject.asfanitrogenen
dc.subject.asfaaquatic animalsen
dc.subject.asfadata processingen
dc.subject.asfaphosphorusen
dc.subject.asfaaquacultureen
dc.subject.asfalakesen
dc.subject.asfakineticsen
dc.subject.asfafood resourcesen
dc.subject.asfafisheriesen
dc.subject.asfafreshwater molluscsen
dc.subject.asfayieldsen
dc.subject.asfaalgal bloomsen
dc.identifier.essn1573-5176


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