1. T. S. Jung (thomas.jung@gov.yk.ca), T. M. Hegel, K. Egli, L. Jessup, K. Kuba, P. M. Kukka, K. Russel
2. T. W. Bentzen, Alaska Dept of Fish and Game, Fairbanks, Alaska, 99701-1551, USA.
3. M. Kienzler and M. P. Suitor, Yukon Dept of Environment, Dawson City, Yukon, Y0B 1G0, Canada.