Sternotherus depressus: Population traits

at T = 17 °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_min f_max date: 2025/05/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.347554 0.347554 0.42624 0.42624 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000402176 0.000402176 0.000133124 0.000133124 spec pop growth rate
t2 d NaN NaN NaN NaN 1723.49 1723.49 5206.77 5206.77 population doubling time
a_b d 276.752 280.492 268.52 272.227 235 238.534 235 238.534 age at birth
t_p d 12992.7 9899.73 8441.1 6573.34 2557.68 2036.38 2557.68 2036.38 time since birth at puberty
S_b - 0.999969 0.999965 0.999972 0.999968 0.99998 0.999977 0.99998 0.999977 survival probability at birth
S_p - 0.99981 0.999784 0.949798 0.957272 0.999881 0.999863 0.859236 0.870989 survival probability at puberty
theta_0b - 0.0132729 0.0143228 0.0288532 0.0273499 0.090603 0.0919809 0.109983 0.104263 frac of ind that is embryo
theta_bp - 0.0133793 0.0144461 0.0283121 0.0269559 0.0827137 0.0838719 0.0991766 0.0946382 fraction of individuals that is juvenile
theta_pi - 0.973348 0.971231 0.942835 0.945694 0.826683 0.824147 0.790841 0.801099 frac of ind that is adult
L_bi cm 1.86177 1.73514 2.01533 1.89974 2.23712 2.13818 2.3265 2.25281 mean structural length of post-natals
L2_bi cm^2 3.52679 3.04762 4.22904 3.72031 5.57784 5.02624 6.34678 5.83829 mean squared structural length of post-natals
L3_bi cm^3 6.78491 5.41327 9.19733 7.48924 15.5322 13.0347 20.3529 17.4585 mean cubed structural length of post-natals
Ww_bi g 7.03316 5.59389 9.61002 7.7957 17.1673 14.286 22.4955 19.1345 mean wet weight of post-natals
L_pi cm 1.86899 1.7411 2.03551 1.91569 2.32285 2.21583 2.44526 2.35656 mean structural length of adults
L2_pi cm^2 3.5507 3.06647 4.30186 3.77515 5.94521 5.34521 6.90394 6.30469 mean squared structural length of adults
L3_pi cm^3 6.84533 5.45845 9.40074 7.63409 16.8227 14.0962 22.5756 19.2137 mean cubed structural length of adults
Ww_pi g 7.09579 5.64058 9.82256 7.94648 18.5937 15.4495 24.9522 21.0583 mean wet weight of adults
R 1/d 0.000126931 0.000123981 0.000284309 0.000254433 0.00129468 0.00109942 0.00154137 0.00132537 mean reproduction rate of adults
J_X g/d 0.00533725 0.00420599 0.00784895 0.00629677 0.0242874 0.0199585 0.0276356 0.023183 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.257198 0.262657 0.0980425 0.100252 yield of living structure on food
Y_VX_d mol/mol 0.0824388 0.0858131 0.120544 0.121411 0.0049777 0.00555905 0.143869 0.142921 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0270759 0.0252159 0.0103212 0.0096245 yield of living reserve on food
Y_EX_d mol/mol 0.00301627 0.00286327 0.00540897 0.00496819 0.000524016 0.000533686 0.0151455 0.0137208 yield of dead reserve on food
Y_CX mol/mol 0.654201 0.651583 0.621296 0.62095 0.48819 0.484786 0.506388 0.507087 yield of CO2 on food
Y_HX mol/mol 0.695577 0.692794 0.660592 0.660223 0.519067 0.515448 0.538416 0.539159 yield of H2O on food
Y_OX mol/mol -0.830331 -0.827009 -0.788568 -0.788128 -0.619626 -0.615305 -0.642724 -0.64361 yield of O2 on food
Y_NX mol/mol 0.150969 0.150365 0.143376 0.143296 0.112659 0.111874 0.116859 0.11702 yield of N-waste on food
mu_TX J/mol 422254 420681 402257 402069 320735 318771 331835 332363 yield of heat on food

Remarks

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