U.S. Dept Commerce/NOAA/NMFS/NWFSC/Publications
Figure 15
Figure 15. Total releases of hatchery steelhead into rivers occupied by steelhead ESU 12-Central Valley, for the period 1971-90. Size of circles represents the magnitude of releases; shading indicates proportion of releases comprised of non-native stocks (CDFG 1994, Cramer et al. 1995).
Figure 28
Figure 28. Recent total escapement for populations in steelhead ESU 12-Central Valley. Where no total estimate is available, natural escapement is used. All data are for winter steelhead (see Appendix E for details).
Figure 29
Figure 29. Trends (percent annual change) in total escapement for populations in steelhead ESUs 12-Central Valley. All data are for winter steelhead (see Appendix E for details).