Ian Alistair Thomas1, Paul N.C. Murphy2, Per-Erik Mellander1, Owen Fenton3, Oliver Shine1, Faruk Djodjic4, Paul Dunlop5 and Philip Jordan5, (1)Agricultural Catchments Programme, Teagasc, Wexford, Ireland, (2)Environment and Sustainable Resource Management Section, University College Dublin, Dublin, Ireland, (3)Environment Research Centre, Teagasc, Wexford, Ireland, (4)Water and Environment, Swedish University of Agricultural Sciences, Uppsala, Sweden, (5)School of Geography and Environmental Sciences, Ulster University, Coleraine, Northern Ireland