Sens communSubstance or process of physical, chemical or biological nature introduced by man that may contaminate various terrestrial, limnic or marine ecosystems. The pollutant is a substance found in different biotopes at a higher concentration, or in some cases, at a concentration different from its usual one. We distinguish primary pollutants (directly discharged into the natural environment) from secondary pollutants (derived from reactions on the first ones
According to Ifremer
Soumis au comité de relecture.