Section 2
Chapter 1,965

Temporal and spatial segregation of spawning in sympatric populations of Atlantic salmon, Salmo salar L., and brown trout, Salmo trutta L

Heggberget, TG.; Haukebo, T.; Mork, J.; Stahl, G.

Journal of Fish Biology 333: 347-356


ISSN/ISBN: 0022-1112
DOI: 10.1111/j.1095-8649.1988.tb05477.x
Accession: 001964372

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Based on data from Norwegian streams with sympatric populations of Atlantic salmon and brown trout, it is suggested that temporal separation is the main mechanism separating the 2 species during spawning. Peak spawning of trout was about 15 days earlier than that of salmon. Physical factors such as water depth, water velocity and distance from the river banks differentiate spawning sites of salmon and trout poorly.

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