1. a Environmental Conservation Division, Northwest Fisheries Science Center, National Marine Fisheries Service. National Oceanic & Atmospheric Administration, 2030 South Marine Science Drive, Hatfield Marine Science Center, Newport, OR 97365; Tel (voice) :541-867-0327, Tel(fax):541-867-0389; mary.arkoosh@noaa.gov.
2. b Environmental Conservation Division, Northwest Fisheries Science Center, National Marine Fisheries Service. National Oceanic & Atmospheric Administration, 2725 Montlake Blvd. E., Seattle, WA 98112; Tel (voice) :206-860-3312, Tel (fax) :206-860-3335; tracy.k.collier@noaa.gov