| Nutrient imbalances in agricultural development PM Vitousek, R Naylor, T Crews, MB David, LE Drinkwater, E Holland, ... Science 324 (5934), 1519-1520, 2009 | 1671 | 2009 |
| The European nitrogen assessment: sources, effects and policy perspectives MA Sutton, CM Howard, JW Erisman, G Billen, A Bleeker, P Grennfelt, ... Cambridge university press, 2011 | 1388 | 2011 |
| Evaluation and management of the impact of land use change on the nitrogen and phosphorus load delivered to surface waters: the export coefficient modelling approach PJ Johnes Journal of hydrology 183 (3-4), 323-349, 1996 | 1084 | 1996 |
| Uncertainties in annual riverine phosphorus load estimation: Impact of load estimation methodology, sampling frequency, baseflow index and catchment population density PJ Johnes Journal of Hydrology 332 (1-2), 241-258, 2007 | 373 | 2007 |
| Nitrogen fluxes from the landscape are controlled by net anthropogenic nitrogen inputs and by climate R Howarth, D Swaney, G Billen, J Garnier, B Hong, C Humborg, P Johnes, ... Frontiers in Ecology and the Environment 10 (1), 37-43, 2012 | 364 | 2012 |
| Using hysteresis analysis of high-resolution water quality monitoring data, including uncertainty, to infer controls on nutrient and sediment transfer in catchments CEM Lloyd, JE Freer, PJ Johnes, AL Collins Science of the total environment 543, 388-404, 2016 | 356 | 2016 |
| Nitrate: processes, patterns and management. TP Burt, AL Heathwaite, ST Trudgill | 331 | 1993 |
| Modelling the impact of land use change on water quality in agricultural catchments PJ Johnes, AL Heathwaite Hydrological processes 11 (3), 269-286, 1997 | 283 | 1997 |
| Trends in nutrients AL Heathwaite, PJ Johnes, NE Peters Hydrological processes 10 (2), 263-293, 1996 | 249 | 1996 |
| A comparison of models for estimating the riverine export of nitrogen from large watersheds RB Alexander, PJ Johnes, EW Boyer, RA Smith Biogeochemistry 57, 295-339, 2002 | 239 | 2002 |
| The determination of total nitrogen and total phosphorus concentrations in freshwaters from land use, stock headage and population data: testing of a model for use in … P Johnes, B Moss, G Phillips Freshwater Biology 36 (2), 451-473, 1996 | 237* | 1996 |
| Nitrogen as a threat to European water quality B Grizzetti, F Bouraoui, G Billen, H van Grinsven, AC Cardoso, V Thieu, ... Cambridge University Press, 2011 | 232 | 2011 |
| Organic phosphorus in the terrestrial environment: a perspective on the state of the art and future priorities TS George, CD Giles, D Menezes-Blackburn, LM Condron, ... Plant and Soil 427, 191-208, 2018 | 230 | 2018 |
| Contribution of nitrogen species and phosphorus fractions to stream water quality in agricultural catchments AL Heathwaite, PJ Johnes Hydrological processes 10 (7), 971-983, 1996 | 224 | 1996 |
| Major agricultural changes required to mitigate phosphorus losses under climate change MC Ockenden, MJ Hollaway, KJ Beven, AL Collins, R Evans, PD Falloon, ... Nature Communications 8 (1), 161, 2017 | 198 | 2017 |
| Nitrogen processes in aquatic ecosystems P Durand, L Breuer, PJ Johnes, G Billen, A Butturini, G Pinay, ... Cambridge University Press, 2011 | 194* | 2011 |
| Testing an improved index for analysing storm discharge–concentration hysteresis CEM Lloyd, JE Freer, PJ Johnes, AL Collins Hydrology and Earth System Sciences 20 (2), 625-632, 2016 | 179 | 2016 |
| A procedure for the simultaneous determination of total nitrogen and total phosphorus in freshwater samples using persulphate microwave digestion PJ Johnes, AL Heathwaite Water Research 26 (10), 1281-1287, 1992 | 178 | 1992 |
| Integrating nitrogen fluxes at the European scale A Leip, B Achermann, G Billen, A Bleeker, A Bouwman, W de Vries, ... Cambridge University Press, 2011 | 176 | 2011 |
| Nitrogen flows from European regional watersheds to coastal marine waters G Billen, M Silvestre, B Grizzetti, A Leip, J Garnier, M Voss, R Howarth, ... The European nitrogen assessment: sources, effects, and policy perspectives …, 2011 | 152* | 2011 |
Charlotte LloydSchool of Geographical Sciences, University of Bristol, UKVerified email at bristol.ac.uk
