Table 1 Parameters values and description (values in parentheses were implemented to evaluate the robustness of outcomes)
Parameter | Value | Description |
|---|---|---|
K | 1000 | Carrying capacity |
γ | 2.2 (3.2) | Strength of selection |
σ 2 | 1 | Variance of the stochastic environment |
θ 0 | 0 | Initial environmental optimum |
η | 0, 0.01, 0.02, 0.03, 0.04 | Rate of environmental change |
z | Evolving trait | Ecological phenotype |
VG | 0.2 | Initial genetic variance present in the population |
L | Number of loci per evolving trait | 1 |
μ | Evolving trait, range [0; 1] | Mutation rate |
MV | 0.2 | Variance of the distribution of mutations fitness effect size |
bm | 10, 25, 40, 50 | Percentage (%) of beneficial mutations |
pR | 0 (unlinked), (0.5), 1 (complete linkage), | Probability of recombination |
t | 300 | Time limit per simulation, in generations. The last 200 generations were exposed to the treatment of directional climate change |