Nehlsen et al. Nehlsen et al. 1,000 historic Nehlsen et al. Nehlsen et al. Summary of estimated total run size for the Southern California steelhead evolutionarily significant unit, by major river basin, as in Table 10 .
All data are for winter steelhead.
Santa Clara River Malibu Creek Table 25. Percentage of steelhead populations in three risk categories in southern California counties. 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.