Thin layers of phytoplankton in the upwelling region off NW Iberia: occurrence, mechanisms of formation, and relationship with harmful phytoplankton

Beatriz Mouriño1, Esperanza Broullón2, Paloma Chouciño1, Bieito Fernández-Castro3, Miguel Gil Coto3, Marina Villamaña1, Enrique Nogueira4, Rosa Reboreda5, Beatriz Reguera4 and Carlos Souto5, (1)University of Vigo, Vigo, Spain, (2)University of Vigo, Ourense, Spain, (3)IIM-CSIC, Spain, (4)IEO-Vigo, Spain, (5)University of Vigo, Spain