Lake Superior revisited 1984
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Abstract
The Lake Superior fish community has changed substantially since the early 1960s, when control of the sea lamprey (Petromyzon marinus) became effective. Self-reproducing stocks of lake trout (Salvelinus namaycush) have been reestablished in many inshore areas, although they have not yet reached pre-sea lamprey abundance; offshore lake trout are probably at or near pre-sea lamprey abundance. Stocks of lake whitefish (Coregonus clupeaformis) appear to have fully recovered; commercial catches are at or above historical levels. Lake herring (Coregonus artedii) are recovering rapidly in U.S. waters and are abundant in western Canadian waters. The population of rainbow smelt (Osmerus mordax), which declined in the 1970s, is recovering. Pacific salmon (Oncorhynchus) are becoming more abundant as a result of increased stocking in U.S. waters and are reproducing in most suitable tributaries; they have become significant in anglers' creels.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Lake Superior revisited 1984 |
| Series title | Canadian Journal of Fisheries and Aquatic Sciences |
| DOI | 10.1139/f87-306 |
| Volume | 44 |
| Issue | Suppl. 2 |
| Year Published | 1987 |
| Language | English |
| Publisher | NRC Research Press |
| Contributing office(s) | Great Lakes Science Center |
| Description | 14 p. |
| First page | 23 |
| Last page | 36 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |