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- Title
Seasonal changes in the habitat use and movements of adult European grayling in a large subarctic river.
- Authors
Nykänen, M.; Huusko, A.; Mäki-Petäys, A.
- Abstract
In late summer (13 August-13 September 1998), at water temperatures of 12·0-15·7° C, grayling ( n=14) stayed mainly in the riffle-section where they were captured in a large regulated river in northern Finland, moving little between consecutive days. In autumn (2-30 October 1998), at 1·7-6·7° C, the fish ( n=16) migrated to potential overwintering sites 0-14 km up- or downstream by mid October, moving mainly short distances thereafter. The daily movement rates, and the total ranges covered by the fish in late summer and autumn were 54±32 m (mean±
- Publication
Journal of Fish Biology, 2001, Vol 58, Issue 2, p506
- ISSN
0022-1112
- Publication type
Article
- DOI
10.1111/j.1095-8649.2001.tb02269.x