• Centennial changes in water clarity of the Baltic Sea and the North Sea 

      Dupont, Nicolas; Aksnes, Dag Lorents (Peer reviewed; Journal article, 2013-10-10)
      Secchi depth is a valuable proxy for detecting long term changes in the water clarity of oceanic and coastal ecosystems. We analyse approximately 40 000 observations, which are available from ICES, from the Baltic Sea and ...