•100% of adult spring
Chinook (all 30 fish) were no more than
3’ from LWD
•adult Chinook were
observed moving into several of the constructed
jams within 24 hours of construction (and, in at least one case, prior to completion
All sites with “N” prefix
are LWD accumulations of natural origin
All sites with a “K” prefix
were constructed in late-July and early-August 2004
Site “N4”, the only
channel-spanning jam, accounted for 60%of the adult Chinook observed