Intergenerational effects of dietary changes on trait means and variance.

Abstract excerpt

Environmental stress can alter not only trait means but also trait variances-an often-overlooked evolvable feature with ecological and evolutionary relevance. We examine how dietary stress affects both the mean and variance of morphological and reproductive traits across two generations in clonal Daphnia. We manipulated maternal and offspring environments with high- (algae) or low-quality (cyanobacteria) diets,...

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