1. Cardiff University Cardiff School of Biosciences The Sir Martin Evans Building, Museum Avenue Cardiff Wales CF10 3AX UK
2. Centre for Ecology and Hydrology Wallingford Oxford DT2 8ZD UK
3. The Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory Lowestoft Suffolk NR33 0HT UK
4. Game and Wildlife Conservation Trust Salmon and Trout Research Centre The River Laboratory East Stoke Wareham Dorset BH20 6BB UK