Webportland district publishes the fish counts taken at the dams in annual fish passage reports, as daily, monthly, and yearly count totals of fish migrating upstream through the. Webmay 24, 2022 · the university of washington’s columbia basin research center provides data about these eight populations at any one of three federal dams: The unclip rate is higher than expected (49%) for this time period.

Web14 hours ago · october 12, 2024october 12, 2024 by bob rees. Weboct 30, 2013 · a record number of chinook salmon passed bonneville dam during their fall migration up the columbia river this year, according to the u. s.