Pelusios castanoides: Population traits

at T = 30 °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: 2025/06/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.783837 0.832927 0.916464 0.916464 1 1 scaled functional response
r 1/d 0 0 0.00125748 0.000111185 0.00168187 0.000177533 spec pop growth rate
t2 d NaN NaN 551.22 6234.18 412.128 3904.32 population doubling time
a_b d 53.7118 53.3428 52.7895 52.7895 52.3129 52.3129 age at birth
t_p d 2323.97 1192.24 872.306 872.306 730.222 730.222 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.445894 1 0.429376 1 0.415422 survival probability at puberty
theta_0b - 0.00353371 0.0690415 0.0642342 0.139484 0.0842169 0.187435 frac of ind that is embryo
theta_bp - 0.00353477 0.0456978 0.060124 0.0901179 0.0771418 0.118761 fraction of individuals that is juvenile
theta_pi - 0.992932 0.885261 0.875642 0.770398 0.838641 0.693804 frac of ind that is adult
L_bi cm 6.584 6.50557 5.66207 6.37468 5.55946 6.31443 mean structural length of post-natals
L2_bi cm^2 43.6781 44.593 35.7124 45.6578 35.4213 47.2328 mean squared structural length of post-natals
L3_bi cm^3 290.826 311.68 239.393 342.073 244.465 377.835 mean cubed structural length of post-natals
Ww_bi g 703.098 781.187 636.175 909.043 686.588 1061.16 mean wet weight of post-natals
L_pi cm 6.601 6.74974 5.9243 6.91062 5.89959 7.08574 mean structural length of adults
L2_pi cm^2 43.8218 46.7299 37.9279 50.6169 38.3557 54.7489 mean squared structural length of adults
L3_pi cm^3 291.839 327.468 255.382 381.382 266.331 441.448 mean cubed structural length of adults
Ww_pi g 705.549 820.759 678.665 1013.51 747.998 1239.82 mean wet weight of adults
R 1/d 0 0.00165601 0 0.00461579 0 0.00761487 mean reproduction rate of adults
J_X g/d 7.85983 8.52702 7.51377 9.60625 8.13183 10.8435 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0.0400639 0.00395923 0.0505618 0.00618606 yield of living structure on food
Y_VX_d mol/mol 0.00254471 0.00637949 2.93568e-05 0.00942231 1.58873e-05 0.0120996 yield of dead structure on food
Y_EX mol/mol 0 0 0.066404 0.00656225 0.0914425 0.0111877 yield of living reserve on food
Y_EX_d mol/mol 0.00360737 0.0096099 4.86576e-05 0.015617 2.87327e-05 0.0218824 yield of dead reserve on food
Y_CX mol/mol 0.718634 0.710641 0.637064 0.69474 0.608218 0.681906 yield of CO2 on food
Y_HX mol/mol 0.764086 0.755588 0.677357 0.73868 0.646687 0.725035 yield of H2O on food
Y_OX mol/mol -0.912113 -0.901968 -0.808582 -0.881785 -0.771969 -0.865496 yield of O2 on food
Y_NX mol/mol 0.165839 0.163994 0.147015 0.160325 0.140358 0.157363 yield of N-waste on food
mu_TX J/mol 461151 456022 408730 445787 390053 437489 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