Spatial distribution for nutrients data (silicate, nitrate, nitrite, ammonium and phosphate) for all maritime regions in the English Channel and North Sea, the Celtic Seas and the Bay of Biscay. The temporal extent of the data is from 1930 to 2010, most being between 1974 and 2007 with a peak in 1999.

Spatial distribution of all oxygen data in degrees integrated vertically and horizontally for all sub-regions of the English Channel, the North Sea, the Celtic Seas and the Bay of Biscay.