Fig. 4: Observed and modeled changes in relative biomass (based on cellular surface area) of S. marinoi (SM) over T. baltica (TB) during the competition experiment.
From: Intraspecific variation in metal tolerance modulate competition between two marine diatoms
(A) shows control conditions, (B) silver stress, (C) cadmium stress, and (D) copper stress. Open circles correspond to observational microscopy data (N = 3), which have been fitted with a second order polynomial function, and 95% confidence intervals (black solid lines). When a species became extinct it was represented as the lowest detection limit (i.e., 1 cell mL−1) and such replicates are flagged with a single cross in the figure. Gray thin lines show modeled outcome of competition between individual strains in a factorial design (4 × 4 strains of each species). The Competition-Selection model (solid-colored lines) utilizes parameters of all eight strains simultaneously and allows for intraspecific selection. The model input parameters are shown in Table S1.
