Biblioteca Digital

89 resultados para Nitrogen Doping

A technique for the in situ assessment of the vertical nitrogen flux caused by the diel vertical migration of zooplankton

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Dry weight carbon and nitrogen content of some calanoid copepods from the seas around southern Britain in winter

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The vertical nitrogen flux caused by zooplankton diel vertical migration

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Determination of dimethoate and fenitrothion in estuarine samples by C-18 solid-phase extraction and high-resolution gas-chromatography with nitrogen-phosphorus detection

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Patterns of carbon and nitrogen uptake during blooms of Emiliania huxleyi in two Norwegian fjords

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Use of dual-labeled microcapsules to discern the physiological fates of assimilated carbohydrate protein carbon and protein nitrogen in suspension-feeding organisms

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Dry weight carbon and nitrogen content of some euphausiids from the north Atlantic Ocean and the Celtic Sea

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The fluxes and transformations of suspended particles carbon and nitrogen in the Humber estuarine system (UK) from 1994 to 1996: results from an integrated observation and modelling study

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Modeling carbon to nitrogen and carbon to chlorophyll a ratios in the ocean at low latitudes: Evaluation of the role of physiological plasticity

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Biogeochemical signatures of nitrogen fixation in the eastern North Atlantic

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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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