Sistrurus catenatus: Population traits

at T = 26 °C with background hazards for embryo, juv, adult: 0, 0, 0 1/d

Ln survival probability as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
Ln survivor function of the stable age distribution as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
model std f_minf f_max date: 2023/01/01
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.78249 0.805152 0.902576 0.902576 1 1 scaled functional response
r 1/d 0 0 0.000835155 0.000243482 0.00117772 0.000372579 spec pop growth rate
t2 d NaN NaN 829.962 2846.81 588.551 1860.4 population doubling time
a_b d 158.653 157.911 155.038 155.038 152.59 152.59 age at birth
t_p d 5776.57 3552.89 2037.98 2037.98 1566.14 1566.14 time since birth at puberty
S_b - 0.999996 0.999996 0.999996 0.999996 0.999997 0.999997 survival probability at birth
S_p - 0.999977 0.589352 0.999979 0.560681 0.99998 0.536512 survival probability at puberty
theta_0b - 0.013508 0.100997 0.121756 0.218003 0.164586 0.272079 frac of ind that is embryo
theta_bp - 0.0135158 0.0771076 0.107018 0.156566 0.137572 0.187713 fraction of individuals that is juvenile
theta_pi - 0.972976 0.821895 0.771226 0.625431 0.697841 0.540208 frac of ind that is adult
L_bi cm 4.24962 3.89094 3.33375 3.34948 3.2037 3.18841 mean structural length of post-natals
L2_bi cm^2 18.4484 16.314 12.3465 13.0559 11.6233 12.2284 mean squared structural length of post-natals
L3_bi cm^3 81.0783 71.2323 49.3697 56.2638 46.447 53.63 mean cubed structural length of post-natals
Ww_bi g 141.018 125.419 91.4694 104.242 90.3297 104.299 mean wet weight of post-natals
L_pi cm 4.28619 4.10548 3.56855 3.7818 3.5079 3.72672 mean structural length of adults
L2_pi cm^2 18.6682 17.6018 13.6831 15.6606 13.3668 15.5362 mean squared structural length of adults
L3_pi cm^3 82.1449 77.5211 55.5938 69.2566 54.6792 70.6974 mean cubed structural length of adults
Ww_pi g 142.874 136.491 103.001 128.315 106.34 137.492 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.63328 0.576231 0.488858 0.516948 0.509902 0.536446 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.0546875 0.0546875 0.0546875 0.0546875 0.0546875 0.0546875 yield of faeces on food
Y_VX mol/mol 0 0 0.0843421 0.0265002 0.107278 0.0372478 yield of living structure on food
Y_VX_d mol/mol 0.0128174 0.0273751 0.000638127 0.0433508 0.000318834 0.0546685 yield of dead structure on food
Y_EX mol/mol 0 0 0.0719223 0.0225979 0.101356 0.0351913 yield of living reserve on food
Y_EX_d mol/mol 0.00947577 0.0208242 0.000544159 0.0369671 0.000301231 0.0516503 yield of dead reserve on food
Y_CX mol/mol 0.749953 0.728904 0.640141 0.662916 0.598047 0.622826 yield of CO2 on food
Y_HX mol/mol 0.797386 0.775006 0.680629 0.704844 0.635873 0.662218 yield of H2O on food
Y_OX mol/mol -0.951864 -0.925148 -0.812487 -0.841393 -0.75906 -0.790509 yield of O2 on food
Y_NX mol/mol 0.173066 0.168209 0.147725 0.152981 0.138011 0.143729 yield of N-waste on food
mu_TX J/mol 478684 465401 409194 423598 382305 398015 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer