1. School of Environmental Sciences; University of Hull; Hull UK
2. Pond Restoration Research Group; Environmental Change Research Centre; Department of Geography; University College London; London UK
3. Centre for Ecology & Hydrology (CEH), Benson Lane; Crowmarsh Gifford; Wallingford Oxfordshire UK
4. Cooperative Institute for Marine and Atmospheric Studies; Rosenstiel School for Marine and Atmospheric Science; University of Miami; Miami Florida
5. Department of Aquatic Ecology; Eawag: Swiss Federal Institute of Aquatic Science and Technology; Dübendorf Switzerland