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The Bay of Brest is a semi-enclosed coastal ecosystem receiving high nutrients loading from freshwater inputs. In order to analyse the response of phytoplankton stocks to increasing eutrophic conditions, a survey of the annual cycle of hydrographic properties, nutrients and chlorophyll a concentrations, and carbon uptake rates was performed at four stations in 1993. This database has been compared...
An flow-injection system is described for the in-situ determination of nutrient concentrations in rivers and ocean waters. In estuarine and coastal waters, significant interferences may be caused by temperature and salinity variations. Therefore, we used a dual wavelength detector to measure simultaneously the reference and sample signals. The device has been used to measure spatial and temporal...
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