Origin of the natural variation in the storage of dietary carotenoids in freshwater amphipod crustaceans
Fig 2
Cohen’s d and 95% confidence intervals for diet treatment effect (supplementation vs. control) on (A) the concentration of circulating carotenoids, (B) the density of haemocytes, and (C, D) the natural and total PO activities respectively, after 21 days of diet supplementation with carotenoids in the laboratory. Significant effect size appears when the 95% CI does not include 0. For each population and diet treatment, N = 30 gammarids for carotenoid concentrations, N = 15 gammarids for each immune parameter. Dou: Doulonne, Nor: Norges, Our: Ource, and Viv: Résurgence du Vivier.