The map shows the winter oxidized nitrogen concentrations in the European coastal and open waters in 2008.
The low category refers to values within the lowest 20th percentile and the high category refers to values within the upper 20th percentile of concentrations in a regional sea
Did you know that most of oil pollution in our oceans is the result of human activity on land and not tanker spills? If you notice oil leaking from your car, fix it right away! Never dispose of used oil into a storm drain.
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