Chrysemys picta: Population traits

at T = 20 °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: 2023/04/09
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.737661 0.737661 0.762995 0.762995 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000913439 0.000913439 0.000182052 0.000182052 spec pop growth rate
t2 d NaN NaN NaN NaN 758.832 758.832 3807.41 3807.41 population doubling time
a_b d 173.9 179.393 173.172 178.564 167.84 172.446 167.84 172.446 age at birth
t_p d 12762.1 2441.02 6454.22 2286.72 2920.42 1556.21 2920.42 1556.21 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 1 0.999999 1 0.999999 survival probability at birth
S_p - 0.999997 0.999996 0.442154 0.48434 0.999997 0.999996 0.401833 0.436575 survival probability at puberty
theta_0b - 0.0069471 0.00780901 0.170279 0.136762 0.142128 0.145734 0.349963 0.3141 frac of ind that is embryo
theta_bp - 0.00694958 0.00781228 0.112583 0.094628 0.121959 0.124532 0.214511 0.200415 fraction of individuals that is juvenile
theta_pi - 0.986103 0.984379 0.717138 0.76861 0.735913 0.729735 0.435526 0.485485 frac of ind that is adult
L_bi cm 6.39425 5.07421 5.05946 4.30299 3.72901 3.27367 3.38341 3.20498 mean structural length of post-natals
L2_bi cm^2 41.9824 26.3556 31.122 21.3058 17.5989 13.1083 17.8357 14.6127 mean squared structural length of post-natals
L3_bi cm^3 278.997 138.45 205.536 111.672 97.322 60.3607 121.511 81.8203 mean cubed structural length of post-natals
Ww_bi g 648.955 283.424 487.443 232.621 272.269 146.043 339.94 197.965 mean wet weight of post-natals
L_pi cm 6.43027 5.10458 5.65685 4.68179 4.12808 3.61263 4.41836 4.00926 mean structural length of adults
L2_pi cm^2 42.2665 26.5523 35.7575 23.7417 20.2214 15.0585 25.7966 19.9836 mean squared structural length of adults
L3_pi cm^3 280.948 139.533 237.481 125.186 113.049 70.282 180.266 114.742 mean cubed structural length of adults
Ww_pi g 653.493 285.641 563.201 260.772 316.268 170.048 504.315 277.619 mean wet weight of adults
R 1/d 0 0.0116557 0 0.00932843 0 0.00209825 0 0.00837271 mean reproduction rate of adults
J_X g/d 1.55468 0.770714 1.19208 0.644439 0.883491 0.519647 0.895379 0.579284 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 0.100621 0.106102 0.0247062 0.0257137 yield of living structure on food
Y_VX_d mol/mol 0.00825738 0.00894762 0.0200702 0.0212741 6.54813e-05 8.73933e-05 0.0445509 0.0452787 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.180877 0.150614 0.044412 0.036501 yield of living reserve on food
Y_EX_d mol/mol 0.0109495 0.00936924 0.0275276 0.0230416 0.00011771 0.000124056 0.0800849 0.0642738 yield of dead reserve on food
Y_CX mol/mol 0.708027 0.70875 0.68496 0.687626 0.494767 0.514879 0.566208 0.584072 yield of CO2 on food
Y_HX mol/mol 0.752808 0.753577 0.728282 0.731117 0.52606 0.547444 0.602019 0.621013 yield of H2O on food
Y_OX mol/mol -0.89865 -0.899568 -0.869372 -0.872756 -0.627973 -0.6535 -0.718648 -0.741322 yield of O2 on food
Y_NX mol/mol 0.163391 0.163558 0.158068 0.158683 0.114177 0.118818 0.130663 0.134786 yield of N-waste on food
mu_TX J/mol 454376 454891 439611 441446 317038 330701 363022 375000 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