Pyxicephalus adspersus: Population traits

at T = 25 °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: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.166037 0.166037 0.169384 0.169384 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.028211 0.028211 0.00186668 0.00186668 spec pop growth rate
t2 d NaN NaN NaN NaN 24.5701 24.5701 371.325 371.325 population doubling time
a_b d 5.92478 5.84171 5.91296 5.83094 5.32695 5.30715 5.32695 5.30715 age at birth
t_p d 2234.64 450.953 1006.53 420.711 100.964 97.6823 100.964 97.6823 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.406409 0.387061 1 1 0.278883 0.275026 survival probability at puberty
theta_0b - 0.000561843 0.000527376 0.029819 0.0366977 0.139477 0.13899 0.466075 0.472643 frac of ind that is embryo
theta_bp - 0.0005622 0.000527731 0.0188945 0.0227012 0.12007 0.119724 0.243536 0.245343 fraction of individuals that is juvenile
theta_pi - 0.998876 0.998945 0.951286 0.940601 0.740453 0.741286 0.290389 0.282015 frac of ind that is adult
L_bi cm 0.717009 0.829289 0.7067 0.810552 0.614981 0.632162 0.492309 0.484186 mean structural length of post-natals
L2_bi cm^2 0.515286 0.689436 0.513212 0.680063 0.587434 0.629105 0.838764 0.865187 mean squared structural length of post-natals
L3_bi cm^3 0.370678 0.573758 0.375366 0.575288 0.750179 0.84558 2.49177 2.84432 mean cubed structural length of post-natals
Ww_bi g 0.971826 1.65032 0.996388 1.67647 8.07747 10.4012 26.8299 34.9869 mean wet weight of post-natals
L_pi cm 0.717343 0.82966 0.718341 0.827166 0.69187 0.71141 0.793945 0.789626 mean structural length of adults
L2_pi cm^2 0.515567 0.689792 0.523112 0.696109 0.679372 0.727371 1.52693 1.60192 mean squared structural length of adults
L3_pi cm^3 0.370885 0.57406 0.382785 0.589126 0.871329 0.981646 4.57934 5.3165 mean cubed structural length of adults
Ww_pi g 0.97237 1.65118 1.01608 1.7168 9.38195 12.0749 49.3076 65.3963 mean wet weight of adults
R 1/d 0 0.0956029 0.00484847 0.1019 0.0968147 0.10137 0.597848 0.616493 mean reproduction rate of adults
J_X g/d 0.0623459 0.0965109 0.0633466 0.0971178 0.428067 0.530395 0.611214 0.729435 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 0.0494391 0.0449753 0.00761003 0.00727885 yield of living structure on food
Y_VX_d mol/mol 0.000570416 0.000543289 0.00154782 0.00149252 1.03805e-08 8.16197e-09 0.0147275 0.0141312 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.482892 0.508248 0.0743301 0.0822555 yield of living reserve on food
Y_EX_d mol/mol 0.000925073 0.00101939 0.00256079 0.0028569 1.01391e-07 9.22353e-08 0.143849 0.159691 yield of dead reserve on food
Y_CX mol/mol 0.822445 0.822383 0.820028 0.819805 0.331422 0.312096 0.60135 0.580223 yield of CO2 on food
Y_HX mol/mol 0.702412 0.702359 0.700348 0.700158 0.283052 0.266547 0.513585 0.495542 yield of H2O on food
Y_OX mol/mol -0.966928 -0.966855 -0.964087 -0.963825 -0.389645 -0.366924 -0.706993 -0.682154 yield of O2 on food
Y_NX mol/mol 0.0666847 0.0666797 0.0664887 0.0664707 0.0268721 0.0253051 0.0487581 0.0470451 yield of N-waste on food
mu_TX J/mol 463570 463533 462206 462073 178912 167389 335384 322985 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