15 years. 1,100 adults. 3,400 juveniles. One question: do immigrants pay a fitness cost in the wild?🐟 Yes, but only sometimes. The cost of dispersal in Atlantic salmon depends on the origin, sex and age. Out now doi.org/10.1098/rspb... in ProcB @royalsocietypublishing.org 1/4
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Selection against dispersers: sex, age and origin-dependent fitness differences in wild Atlantic salmon
Abstract. Local adaptation is often portrayed as uniform fitness disadvantages of immigrants relative to locals. Yet dispersal costs vary with origin, sex