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Distribution and Abundance of Pink Salmon in Michigan Tributaries of the Great Lakes, 1967–1980
Author(s) -
Wagner Wilbert C.,
Stauffer Thomas M.
Publication year - 1982
Publication title -
transactions of the american fisheries society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.696
H-Index - 86
eISSN - 1548-8659
pISSN - 0002-8487
DOI - 10.1577/1548-8659(1982)111<523:daaops>2.0.co;2
Subject(s) - tributary , oncorhynchus , fishery , abundance (ecology) , geography , stock (firearms) , environmental science , ecology , fish <actinopterygii> , biology , archaeology , cartography
By 1980, some 24 years after introduction of an odd‐year‐spawning stock into Lake Superior, pink salmon Oncorhynchus gorbuscha have spawned in at least 56 tributaries of Lake Superior, 5 of northern Lake Huron, and 11 of northern Lake Michigan. Abundance trends in Lake Superior have been sharply upward. Pink salmon in lakes Huron and Michigan have not shown such an increase, probably because relatively few generations have reproduced there. The occurrence of 2‐ and 3‐year‐old spawners suggests that magnitude of the spawning runs will be more stable than on the West Coast where all pink salmon mature at 2 years. The amount of interaction of pink salmon with other Great Lakes fishes is uncertain, but we judge that their interaction with stream fishes will be negligible.