Figure 5

Estimates of the relative ratio of available adult Chinook salmon prey (equation (3)) to killer whale consumption of Chinook salmon in each ocean region ((a) equation (6)), estimated total Chinook salmon consumption by killer whales in each ocean region (b), and the estimated contribution of Chinook salmon originating from different ocean regions to composition of Chinook salmon consumed by killer whales in the Salish Sea (c), West Coast Vancouver Island and coastal British Columbia (d), Southeast Alaska (e), and Gulf of Alaska (f).