Oregon: Carbon dioxide allegedly makes plant roots smaller; also allegedly makes spring Chinook runs *later*

Northwest Tribes See Changes In Sacred 'First Foods' · OPB News

Lewis says he's also hearing from tribal women that the roots they harvest for ceremonies are changing, too.

"They are very small, and their numbers are dwindling, as well. So, it affects a lot of our roots today, this climate change."
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Government scientists agree that salmon returning from the ocean appear to be smaller than in the past. Hatcheries and fishing practices could be part of the reason. But Oregon Fish and Wildlife biologist, Kathryn Kostow says the way climate change is affecting the ocean could be responsible, too.

"It may be a change in ocean productivity, and it may be associated with climate change, but we still have a lot of work to do to decide that's true."

Scientists confirm that the spring Chinook runs have been late, recently.

2010: Sockeye salmon run sets record for Columbia River | OregonLive.com

the run of sockeye salmon up the Columbia River this summer is the highest since Bonneville Dam started operating in 1938.