Skip to main content
. 2014 Aug 6;11(97):20140441. doi: 10.1098/rsif.2014.0441

Table 1.

Values of parameters of the model of population dynamics.

parameters values description
K 500 population ceiling
λο 2 intensity of the Poisson distribution of offspring per mating pair
tch 150 years since the start of the simulation before climate change
tinc 25 time of increase of variability (variance of the normal distribution of the climate variable) after climate change
nl 20 number of diploid loci
Inline graphic 6.25 × 10−3 additive genetic variance per locus at the start of simulation
Inline graphic 0.2 additive genetic variance of the quantitative trait at the start of simulation
μ 2 × 10−4 mutation rate per locus
Inline graphic 1, 2, 3, 4 × 10−1 variance of the normal distribution of mutation effect (mutation amplitude)
Smax 0.7 maximum survival probability
μE 0 mean environmental effect
Inline graphic 1 variance of the environmental effect
mE 0.3 mortality caused by the point extreme event
s 5, 8, 11, 13 × 10−2 strength of selection
p(Eb) 5 × 10−2 probability of occurrence of point extreme events before climate change
p(Ea) 5, 7.5, 10, 12.5 × 10−2 probability of occurrence of point extreme events after climate change
μΘ,0 0 mean of the normal distribution of the phenotypic optimum from year 1 to tch
σΘ,0 1 standard deviation of the normal distribution of the phenotypic optimum from year 1 to tch
βμ,Θ 1, 2 × 10−2 annual increase (directional trend) of the mean of the normal distribution of the climate variable from year tch to the end of simulation
βσ,Θ 0.5, 1.0, 1.5, 2.0 × 10−2 annual increase of the standard deviation of the normal distribution of the climate variable from year tch to tch + tinc