Pesticides in Danish watercourses: Occurrence and effects

摘要: 11 Herbicides have been found in Danish streams conventionally cultivated areas. A sandy and a clayey catchment survey area was studied. During two year period soil water, drainage stream water pond samples were taken regularly. Pesticide concentrations higher clayey, more intensively than sandy, less area. Pesticides did occur pulses which observed periods with time integrated automatic sampling.