979 resultados para ammonia nitrogen

High rate of uptake of organic nitrogen compounds by Prochlorococcus cyanobacteria as a key to their dominance in oligotrophic oceanic waters

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Modelling suggests that optimization of dark nitrogen-assimilation need not be a critical selective feature in phytoplankton

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A preliminary methods comparison for measurement of dissolved organic nitrogen in seawater

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Bacterial numbers and growth in surficial deep-sea sediments and phytodetritus in the NE Atlantic: Relationships with particulate organic carbon and total nitrogen

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Potential modification of the fluxes of nitrogen from the Humber Estuary catchment (U.K.) to the North Sea in response to changing agricultural inputs and climate patterns

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Size-fractionated nitrogen uptake and carbon fixation during a developing coccolithophore bloom in the North Sea during June 1999

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Prey selectivity and the influence of prey carbon : nitrogen ratio on microflagellate grazing

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Carbon nitrogen and phosphorus budgets within a mesoscale eddy: comparison of mass balance with in vitro determinations

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Uptake of carbon nitrogen and phosphorus by phytoplankton along the 20 degrees W meridian in the NE Atlantic between 57.5 degrees N and 37 degrees N

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Net accumulation and flux of dissolved organic carbon and dissolved organic nitrogen in marine plankton communities

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A carbon and nitrogen flux model of mussel digestive gland epithelial cells and their simulated response to pollutants

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Contribution of heterotrophic plankton to nitrogen regeneration in the upwelling ecosystem of A Coruna (NW Spain)

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Nitrogen uptake and dissolved organic nitrogen release in planktonic communities characterised by phytoplankton size-structure in the Central Atlantic Ocean

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Titrating excess nitrogen content of phosphorous-deficient eastern Mediterranean surface water using alkaline phosphatase activity as a bio-indicator

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High rates of nitrogen fixation during an in-situ phosphate release experiment in the Eastern Mediterranean Sea

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