David A. Robinson1, Ed Rowe2, Bridget A Emmett3, Nikolaos Nikolaidis4, Giorgos Giannakis4, Brynhildur Davíðsdóttir5, Steven Banwart6, Iain Fraser7 and GMEP Team8, (1)Centre for Ecology & Hydrology, Bangor, UNITED KINGDOM, (2)Deiniol Road, NERC-Centre for Ecology and Hydrology, Bangor, United Kingdom, (3)Centre for Ecology and Hydrology, National Environmental Research Council, Bangor, United Kingdom, (4)Technical University of Crete, Chania, Greece, (5)University of Iceland, Reykjavýk, Iceland, (6)University of Sheffield, Sheffield, United Kingdom, (7)University of Kent, Canterbury, United Kingdom, (8)NERC-Centre for Ecology and Hydrology, Bangor, United Kingdom