
As you already know, low steelhead returns have closed the Deschutes River to anadromous fishing for the rest of the year. Last week I read a headline stating that the fewest summer steelhead have passed through Bonneville Dam since counting first started in 1938. Earlier in the year, spring chinook returns in the Columbia River were also quite low. At the same time, fall chinook numbers are increasing and coho numbers are exploding in the Deschutes. What’s going on? (For a good overview of historical returns to the Deschutes, see this presentation from the Deschutes Fisheries Workshop this past July. Here’s more on spring chinook in the Deschutes, it’s pretty bleak.)
Sidebar: I really wrote this post as a research project for myself as a way to organize some thoughts. Perhaps you will get something out of it as well. If you have some comments or I have made mistakes, let me know.
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