The Biological Basis of Freshwater Fish Production: A Symposium

abundance activity animal Atlantic salmon behaviour benthos Beverton Biol biological biomass bluegill BROWN M.E. brown trout calculated capture carp catch cent changes coho salmon consumed Coregonus CREN E.D. curve cutthroat trout decrease determined ecology effect efficiency eggs energy equation Esox espèces estimates experimental experiments factors fecundity feeding fish populations fish production Fisheries food consumption food organisms freshwater fish gastric digestion Gerking growth rate Horokiwi increase individual Ivlev juvenile laboratory Lake largemouth bass larvae length metabolic rate method migration mortality rate movement natural Oncorhynchus oxygen oxygen consumption Paloheimo pêches pêcheurs perch period pike plaice plankton poissons ponds population density predacious fish predators prey protein rainbow trout rate of digestion ration recruitment relation relationship Ricker River salmon Salvelinus sampling season sockeye sockeye salmon spawning stomach stream studies temperature Tilapia tion utilization weight Winberg young Zool