280 



DRAFT 



1990 ODFW estimates .79 



The coho total harvest rate estimates assumes there is a direct 1:1 transfer of adult coho 

 from the ocean to the river and no natural mortality occurs. 



10. Ocean chinook salmon < 

 The Department did not verify 



11. Lower river fell chinook (river) 

 1980-90 Agree for 8 of the 1 1 years 



12. Lower river fall chinook (total) 

 1980-90 ODFW disagrees 



13. Upper river fall chinook (river) 



1970-90 Agree for only S of the 20 years and only if dam passage 



loss is not a factor 



14. Upper river fall chinook (total) 



1970-90 ODFW disagrees 



The Department disagrees with the method the authors used to calculate the chinook 

 total production harvest rates. Their method is flawed in that no adult equivalency 

 factor was applied to the ocean catches to make them relative to the return to the 

 Columbia 0-3 years hence if the fish were not caught. 



Page 244, Table 1.2-15. Oregon Provisional Anadromous Salmonid Population 



Summaries. 



This table is an accurate reproduction of a table from ODFW's Wild Fish Management 

 Policy-Biennial Report presented to the Oregon Fish and Wildlife Commission in 

 January 1992. The auUiors list the source as ODFW (1992), but it was not included in 

 the References. 



Page 259, Table 2.2.7-3 Estimated Adult Salmonids Consumed by Seals and 



Sea Lions in Oregon Waters, 1990. 



The estimated losses of salmonids from marine mammal predation presented in this 

 table are likely to be highly erroneous. This table is simply a set of roughly estimated 

 numbers multiplied by more roughly estimated numbers, and so on. The assumptions 

 inherent to these calculations are questionable: for example, it can not be assumed that 

 a pinniped would eat 2.S lb. of salmon per day for 36S days; it is incorrect to assume 



A-74 



