An early estimate points to a huge die-off along the Pacific Coast, and scientists say rivers farther inland are warming to levels that could be lethal for some kinds of salmon.
An early estimate points to a huge die-off along the Pacific Coast, and scientists say rivers farther inland are warming to levels that could be lethal for some kinds of salmon.
An early estimate points to a huge die-off along the Pacific Coast, and scientists say rivers farther inland are warming to levels that could be lethal for some kinds of salmon.
