Keywords
impact, environment, ie, environmental risk, hydrography, pollution, phosphate, wfd, pollutant pathway, surface water, water framework directive, critical source area, critical load, pasture, environmental impact, pressure, risk, agriculture, farmyard, characterisation, nitrate, environmental pressures, point source, point, nutrient, diffuse, pathway, pollution impact potential (pip), arable farming, catchment, sediment, source, subcatchment, environmental policy, receptor, river, environmental impact of agriculture