Article
Migratory costs and the evolution of egg size and number in introduced and indigenous salmon populations.
Evolution; international journal of organic evolution - 1 Aug 2001
Kinnison M T, Unwin M J, Hendry A P, Quinn T P
Abstract excerpt
The trade-off between reproductive investment and migration should be an important factor shaping the evolution of life-history traits among populations following their radiation into habitats with different migratory costs and benefits. An experimentally induced difference in migratory rigor for families of chinook salmon (Oncorhynchus tshawytscha), of approximately 86 km and 413 m elevation, exacted a cost to...
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