Of ≈ 1400 historic salmonid populations in PNW & California, ≈ 29% have gone extinct since Euro-American Contact. (RG Gustafson et all 2007) Of 52 extant salmonid species on the west coast, 31 are listed as endangered or threatened or are species of concern.

This shows 52 DPSs, or Evolutionairily Significant units

Given this sobering assessment, . . .