[Technical report, 423: Water environment 2002: state and development: technical survey]

agua dulce ambiente marino aquatic environment biota biote calidad del agua carga contaminante charge polluante circulation de l'eau contaminantes danemark denmark dinamarca eau douce environmental impact farmland fishes freshwater heavy metals impact sur l'environnement impacto ambiental lac lagos lakes leaching lessivage du sol marine environment metales pesados milieu aquatique milieu marin mineral nutrients nutrientes minerales peces pesticide pesticides plaguicidas plancton plankton poisson (animal) polluant pollutant load pollutants terre agricole water circulation water quality