1. School of Science; University of Waikato; Hamilton New Zealand
2. Australian Rivers Institute; Griffith University; Brisbane QLD Australia
3. National Isotope Centre; GNS Science; Lower Hutt New Zealand
4. Taupō Fishery; Department of Conservation; Taupo Fisheries Division; Turangi New Zealand
5. NIWA; Hamilton New Zealand
6. NIWA; Wellington New Zealand