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Excerpt from Rearing of Chinook Salmon in Tributaries of the South Fork Salmon River, Idaho Juvenile summer chinook salmon made unexpected use of the tributary streams; they were found in 69 percent of the tributaries sampled. They were the second most numerous fish species, following the resident and anadromous forms of rainbow trout, which were usually found living with chinook salmon. Sculpin were found with chinook salmon in all but two tributary areas; and brook trout, Dolly Varden, mountain Whitefish, sucker, and dace were occasionally found in the same stream areas. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
"Adult Chinook salmon, Oncorhynchus tshawytscha, must pass eight hydroelectric dams and reservoirs and migrate more than 1000 river kilometers to reach spawning grounds in the South Fork Salmon River in central Idaho. Behavior during migration, energy depletion, and ultimately reproductive success may be affected by river conditions (e.g. temperature and flow) and dam operations (e.g. spill) within the migration corridor. In this study we examined the energy use of migrating adult Chinook salmon through the Columbia and Snake Rivers in order to investigate the relationships between initial fish condition, migration experience, and river conditions, and eventual migration and spawning success. As part of this research, we also tested non-lethal methods to estimate adult salmon energy condition."--Preface (page ii).