Signal: warming rivers
Fraser River temperature now “near lethal” for some salmon populations

Fraser River temperature now “near lethal” for some salmon populations

The Fraser River has warmed by nearly 2ºC since the 1950s, with the last 20 years being some of the warmest on record. High river temperatures have been associated with the high mortality. Sockeye salmon have been in decline since the early 1990s. Contributing to this has been massive migration mortalities where between 40 and [...]