Evolutionary hypotheses for a constraint to life-history resilience in depleted Salmo salar populations.

Abstract excerpt

Phenotypic plasticity underlies much of the variation in life-history expression in fishes. An understanding of potential constraints on life-history plasticity thus may be critical for assessing the resiliency of populations or species to environmental change. Here, several evolutionary hypotheses are formulated for why a depleted lineage of Canadian Atlantic salmon Salmo salar populations continues to express...

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