Plant physiological measurements in North Wales and Northwest England (2013, 2014 and 2016) - Blanes, M.C.; Reinsch, S.; Mercado, L.; Harmens, H.; Smart, S.; Cosby, B.J.; Glanville, H.C.; Jones, D.L.; Marshall, M.R.; Emmett, B.A. (NERC Environmental Information Data Centre, 2017)