Includes only those populations for which recent information exists. Based on data in Titus et al. Summary of recent and historical abundance estimates for the Central Valley steelhead evolutionarily significant unit. McEwan and Jackson 1996 Table 27. Summary of estimated total run size and trends in total escapement for the Central Valley steelhead evolutionarily significant unit, by major river basin, as in Table 10 .
All data are for winter steelhead.
Summary of estimated total run size and escapement, trends in total escapement, and proportion of hatchery fish in escapement for the Middle Columbia River steelhead evolutionarily significant unit, by major river basin, as in Table 10 . Summary of estimated total run size and escapement, trends in total escapement, and proportion of hatchery fish in escapement for the Upper Columbia River steelhead evolutionarily significant unit, by major river basin, as in Table 10 . All data are for summer steelhead. Summary of estimated total run size and escapement, trends in total escapement, and proportion of hatchery fish in escapement for the Snake River Basin steelhead evolutionarily significant unit, by major river basin, as in Table 10 . All data are for summer steelhead.