By Noah Korver, Local Journalism Initiative Reporter, Yukon News There is reason to be hopeful, says the Yukon Salmon Sub-Committee, in light of a new study published by Alaska researchers that sheds more light on the mystery of shrinking chinook Salmon returns on the Yukon River. Co-authored by researchers from the University of Alaska Fairbanks and the U.S. National Oceanic Atmospheric Administration (NOAA) the study identifies significant and…