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2019
Authors: Ratmaya Widya, Soudant Dominique, Salmon-Monviola Jordy, Plus Martin, Cochennec-Laureau Nathalie, et al.
Title: Reduced phosphorus loads from the Loire and Vilaine rivers were accompanied by increasing eutrophication in the Vilaine Bay (south Brittany, France)
Abstract:

The evolution of eutrophication parameters (i.e., nutrients and phytoplankton biomass) during recent decades was examined in coastal waters of the Vilaine Bay (VB, France) in relation to changes in the Loire and Vilaine rivers. Dynamic linear models were used to study long-term trends and seasonality of dissolved inorganic nutrient and chlorophyll a concentrations (Chl a) in rivers and coastal waters. For the period 1997-2013, the reduction in dissolved riverine inorganic phosphorus (DIP) concentrations led to the decrease in their Chl a levels. However, while dissolved inorganic nitrogen (DIN) concentrations decreased only slightly in the Vilaine, they increased in the Loire, specifically in summer. Simultaneously, phytoplankton in the VB underwent profound changes with increase in bio. . .
Date: 04/2019 Publisher: Biogeosciences Pages: 1361 - 1380 DOI: 10.5194/bg-16-1361-201910.5194/bg-16-1361-2019-supplement Available at: https://www.biogeosciences.net/16/1361/2019/https://www.biogeosciences.net/16/1361/2019/bg-16-1361-2019.pdfhttps://www.biogeosciences.net/16/1361/2019/bg-16-1361-2019-supplement.pdf
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