Keywords
ipc, nutrient, section 4s, pollution, sediment, diffuse, receptor, risk, wfd, pollutant pathway, impact, environmental impact, nitrate, hydrography, characterisation, catchment, ie, point, environmental pressures, pressure, industry, point source, abstraction, river, anthropogenic factor, licence, environmental risk, emission, water framework directive, environment, environmental policy, surface water, source, pathway, discharge, phosphate, subcatchment