FN Archimer Export Format
PT J
TI Large-scale patterns of river inputs in southwestern Europe: seasonal and interannual variations and potential eutrophication effects at the coastal zone
BT 
AF ROMERO, Estela
   GARNIER, J
   LASSALETTA, Luis
   BILLEN, Gilles
   LE GENDRE, Romain
   RIOU, Philippe
   CUGIER, Philippe
AS 1:1;2:1;3:1;4:1;5:2;6:2;7:3;
FF 1:;2:;3:;4:;5:PDG-ODE-LITTORAL-LERN;6:PDG-ODE-LITTORAL-LERN;7:PDG-ODE-DYNECO-BENTHOS;
C1 Univ Paris 06, CNRS, UMR Sisyphe 7619, F-75005 Paris, France.
   IFREMER, Lab Environm & Ressources Normandie, F-14520 Port En Bessin, France.
   IFREMER, Lab Ecol Benth, Dept Dynam Environm Cotier, F-29280 Plouzane, France.
C2 UNIV PARIS 06, FRANCE
   IFREMER, FRANCE
   IFREMER, FRANCE
SI PORT-EN-BESSIN
   BREST
SE PDG-ODE-LITTORAL-LERN
   PDG-ODE-DYNECO-BENTHOS
IN WOS Ifremer jusqu'en 2018
   copubli-france
   copubli-univ-france
IF 3.73
TC 88
UR https://archimer.ifremer.fr/doc/00090/20152/17928.pdf
LA English
DT Article
DE ;River inputs;Coastal zone;N:P:Si stoichiometry;Eutrophication;Seasonality;Europe
AB We provide data on nutrient export for 28 rivers in southwestern Europe and analyze long-term changes in the context of anthropogenic pressures and regulation policies. Special attention is given to seasonal variations, because the integrated annual values that are usually provided do not allow us to establish comparisons with seasonal phytoplankton dynamics. The eutrophication risk associated with river inputs is addressed by means of an indicator (Index of Coastal Eutrophication Potential, ICEP, Billen and Garnier, Mar Chem 106:148–160, 2007). An overview of the temporal evolution and the intra-annual variability of the ICEP is discussed for specific rivers and integrated coastal regions. The annual dynamics of the eutrophication indicator is analyzed to delimit those periods when the risk of eutrophication is particularly high. The trends in nutrient fluxes and coastal phytoplankton are compared by means of a case study (Seine Bay). The decrease in phosphorus matches a general decrease in phytoplankton biomass in the summer. However, sustained high values of nitrogen still foster the emergence of harmful algal blooms, and we found an increase in the summer abundance of dinoflagellates. The abatement of phosphorus alone is not enough to shortcut harmful blooms and toxic outbreaks in the Seine Bay. A reduction in nitrogen inputs may be necessary to effectively minimize eutrophication problems.
PY 2013
PD MAY
SO Biogeochemistry
SN 0168-2563
PU Springer
VL 113
IS 1-3
UT 000317863300030
BP 481
EP 505
DI 10.1007/s10533-012-9778-0
ID 20152
ER

EF