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dc.contributor.authorVerlecar, X.N.
dc.date.accessioned1995-08-14T10:01:12Z
dc.date.accessioned2017-09-29T13:48:28Z
dc.date.available1995-08-14T10:01:12Z
dc.date.available2017-09-29T13:48:28Z
dc.date.issued1985
dc.identifier.citationIndian Journal of Marine Sciences, vol.14; 1985; 93-97
dc.identifier.issn0379-5136
dc.identifier.urihttp://drs.nio.org/drs/handle/2264/6391
dc.description.abstractAnnual variation of urea in coastal waters off Goa, India is 0 to 2.92 mu g-at N.1/1 and 0 to 4.69 mu g-at N.1/1 in adjacent estuarine waters of Mandovi. Peaks of phytoplankton production accompanied with the decrease in urea in June and October, when ammonia and nitrate were high, indicate that urea is utilised or decomposed by phytoplankton organisms. Seasonal fluctuation of urea is between 7 and 55% of total utilizable nitrogen, which is a large reserve of nitrogen for phytoplankton growth. Assimilation ratio (delta N: P) indicates that nitrate is in short supply. However, urea available in these waters can substitute nitrogen deficiencies for the high rate of phytoplankton production
dc.languageen
dc.publisherCSIR-NISCAIR
dc.relation.ispartofIndian J Mar Sci
dc.relation.isreferencedbySCI
dc.subjectAquatic Ecology, Productivity
dc.subject.otherseasonal variations
dc.subject.otherurea
dc.subject.otherbiological production
dc.subject.otherphytoplankton
dc.subject.otherISW, India, Goa
dc.titleUrea as nitrogen source for phytoplankton production in coastal waters of Goa
dc.typeJournal Article
dc.affiliation.authorCSIR-National Institute of Oceanography, Dona Paula, Goa, India


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