In response to Dave Werner, clearly dams, bad fisheries management, high seas gillnets, etc. caused serious harm to salmon in the Pacific Northwest. So have bad logging practices. Federal fisheries scientists investigated this issue decades ago. They found that “declines in fish habitat capability occur when about 25 percent of the timber base within a watershed has been clearcut.” (Reeves, et al, 1993; Anadramous Fish Habitat Assessment, Report to Congress 1995.) More than double this…
