HATCHERY AND WILD COHO SALMON


FITNESS PERFORMANCE


ALSEA RIVER, OREGON








CHARACTERISTIC		WILD				HATCHERY








JUVENILE MORTALITY		6.5%			21.9%





SMOLT TO ADULT 


SURVIVAL			2.9%			1.9%





PEAK SPAWNING TIME		LATE DECEMBER		LATE OCTOBER





RESISTANCE TO DISEASE	FULL RESISTANCE			POOR RESISTANCE


(FALL CR. SYNDROME)





MARINE DISTRIBUTION	SOUTH TO  CALIFORNIA		OREGON COAST


                                                                  





Source:  ODFW, 1983