Keywords
surface water, hydrography, pollutant pathway, catchment, pathway, point source, environmental policy, ie, source, point, environment, pressure, impact, diffuse, phosphate, critical source area, fish, environmental risk, nitrate, ecosystem, river, pollution, environmental pressures, water framework directive, wfd, nutrient, pollution impact potential (pip), alteration, receptor, environmental impact, invasive species, critical load, subcatchment, risk, competition, characterisation