00000nam##2200000za#4500 9.618373 CaOODSP 20210615102802 ta 150406|2007||||xxc||||| f|0| 0 eng|d 0706-6457 CaOODSP eng n-cn--- Fs97-6/2707E Canada. Department of Fisheries and Oceans. A comparison of stratified systematic and stratified random methods of estimating catch rates, by depth interval, for biomass estimation of Pacific Ocean Perch (Sebastes alutus) in Goose Island Gully, Queen Charlotte Sound, British Columbia / by S.J. Westrheim and K.L. Yamanaka. Nanaimo - British Columbia : Fisheries and Oceans Canada 2007. vii, 34p. : maps (some coloured), references, tables ; 28 cm. Canadian technical report of fisheries and aquatic sciences 0706-6457 2707 "Fisheries and Oceans Canada, Science Branch, Pacific Region, Pacific Biological Station, Nanaimo, British Columbia V9T 6N7". This report is part of a series containing scientific and technical information that widens existing scientific knowledge but is not considered appropriate for publication in the primary literature. The research covers such subjects as ecosystem models, methods for enhancing aquaculture, commercial fishing equipment, and environmental threats to aquatic quality and fisheries resources. Includes tables, graphs, and charts. (Résumé en français.) Softcover 07-26 2007-06-29 Fish gcpds Western provinces gcpds Westrheim, S. Yamanaka, K. A comparison of stratified systematic and stratified random methods of estimating catch rates, by depth interval, for biomass estimation of Pacific Ocean perch (Sebastes alutus) in Goose Island Gully, Queen Charlotte Sound, British Columbia / (CaOODSP)9.574245 Canadian technical report of fisheries and aquatic sciences, 0706-6457 2707 (CaOODSP)9.514691