TABLE 1

Mean survivorship parameters and among-population variances (VB) associated with the base and experimental populations at each generation of measurement

TMedTMaxβ × 102α × 104
MeanVBMeanVBMeanVBMeanVB
Base Population
    Generation 164.337.691.013.86.493.531.181.80
    Generation 1264.69.0482.914.57.962.100.520.23
    Generation 2460.97.1082.49.68.031.930.600.18
    Generation 4459.120.279.629.88.611.050.460.08
2P Populations
    Generation 159.8101.887.825.75.671.271.943.33
    Generation 1246.455.762.494.511.226.01.574.02
    Generation 2442.997.258.3124.011.622.41.847.04
    Generation 4441.6259.958.5316.611.023.43.5340.9
10P Populations
    Generation 168.931.892.415.86.471.020.660.15
    Generation 1259.355.381.232.87.211.130.940.35
    Generation 2456.370.480.131.47.854.301.141.30
    Generation 4148.674.771.9120.39.0715.01.614.57
    Generation 5647.1124.371.3161.39.0926.92.3517.7
    Generation 6656.856.381.1219.09.0760.70.810.76
  • Parameters listed include the median life span (TMed), maximum life span (TMax), Gompertz slope (β), and Gompertz intercept (α).