Interspecific habitat associations of juvenile salmonids in Lake Ontario tributaries: implications for Atlantic salmon restoration
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Abstract
Diel variation in habitat use of subyearling Chinook salmon (Oncorhynchus tshawytscha), subyearling coho salmon (O. kisutch), yearling steelhead (O. mykiss), and yearling Atlantic salmon (Salmo salar) was examined during the spring in two tributaries of Lake Ontario. A total of 1318 habitat observations were made on juvenile salmonids including 367 on steelhead, 351 on Chinook salmon, 333 on Atlantic salmon, and 261 on coho salmon. Steelhead exhibited the most diel variation in habitat use and Chinook the least. Juvenile salmonids were generally associated with more cover and larger substrate during the day in both streams. Interspecific differences in habitat use in both streams occurred with Atlantic salmon (fast velocities) and coho salmon (pools) using the least similar habitat. Chinook salmon and Atlantic salmon used similar habitat in both streams. These findings should help guide future management actions specific to habitat protection and restoration of Atlantic salmon in Lake Ontario tributaries.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Interspecific habitat associations of juvenile salmonids in Lake Ontario tributaries: implications for Atlantic salmon restoration |
| Series title | Journal of Applied Ichthyology |
| DOI | 10.1111/jai.12456 |
| Volume | 30 |
| Issue | 5 |
| Year Published | 2014 |
| Language | English |
| Publisher | Wiley-Blackwell |
| Publisher location | Berlin |
| Contributing office(s) | Great Lakes Science Center |
| Description | 9 p. |
| First page | 853 |
| Last page | 861 |
| Country | United States |
| State | New York |
| Other Geospatial | Orwell Brook, Trout Brook |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |