Institution: | Centre for Ecology and Hydrology Dorset, Winfrith Technology Centre, Winfrith Newburgh, Dorchester, Dorset DT2 8ZD, UK;;Centre for Ecology and Hydrology Monks Wood, Abbots Ripton, Huntingdon, PE17 2LS, UK;and;RN Baie de Somme, SMACOPI, 1 Place Amiral Courbet, F-80100 Abbeville, France |