Why the Arctic's rivers are rusting - New study explains what's behind the toxic shift (impermafrost)

[riversedge]

1. The findings also suggest the problem will expand globally. Similar conditions involving melting permafrost and metal-ri

..........In Alaska and neighboring Canada, the team suspects these changes are affecting salmon, which rely on clean gravel beds for spawning and on algae-based food webs during early life stages.

The findings also suggest the problem will expand globally. Similar conditions involving melting permafrost and metal-rich rocks exist in northern Canada, the Andes, and the Alps, for example.

“It’s already happening in Russia, and will keep happening anywhere you have the right geology and warming temperatures,” Lyons said. “It started as a canary in a coal mine in the Brooks Range, but now those canaries are chirping all over.”