Basic life history and age at maturity information.

This table is a great illistration of the life history of chinook salmon and the various limiting factors they encounter throughout their life history.


This table is a great illistration of the age at maturity comparison for various runs of salmon on Oregon and California's Rivers. Notice that in general the Northern Stock have a much older age at maturity compared to the southern chinook stocks.


This table illistrates age at maturity for various Columbia River Stocks of chinook salmon.


By comparison here is age at maturity for BC and AK chinook stocks.


Here is a table that gives the various spawning return timing from the Northern Oregon Coast to the Southern Oregon Coast.
Ty Wyatt