Petrus rupestris: Population traits

at T = 24.3 °C with background hazards for embryo, larva, juv, adult: 0, 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 abj f_minf f_max date: 2025/05/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.2133 0.2133 0.60665 0.60665 1 1 scaled functional response
r 1/d 0 0 0.00747691 0.00182299 0.00951466 0.00217976 spec pop growth rate
t2 d NaN NaN 92.705 380.225 72.8504 317.992 population doubling time
a_b d 5.87082 5.87082 5.19408 5.19408 4.99502 4.99502 age at birth
t_j d 4.16968 4.16968 2.44566 2.44566 2.07908 2.07908 time since birth at metam
t_p d 7327.56 7327.56 1735.61 1735.61 1358.43 1358.43 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.374509 1 0.373868 1 0.373745 survival probability at metam
S_p - 1 0.291488 1 0.199667 1 0.175348 survival probability at puberty
theta_0b - 0.000375612 0.426567 0.0378142 0.551953 0.0460876 0.583063 frac of ind that is embryo
theta_bj - 0.000268863 0.194459 0.0174347 0.165578 0.0186847 0.154458 frac of ind between b and j
theta_jp - 0.000109691 0.0411576 0.0192163 0.0794961 0.0255905 0.0866785 frac of ind between j and p
theta_pi - 0.999246 0.337817 0.925535 0.202973 0.909637 0.1758 frac of ind that is adult
L_bi cm 6.00088 0.423032 0.876606 0.140826 0.82836 0.139446 mean structural length of post-natals
L2_bi cm^2 37.9765 1.77682 1.42005 0.117977 1.28765 0.116382 mean squared structural length of post-natals
L3_bi cm^3 245.005 10.6532 3.30881 0.362723 2.92826 0.376006 mean cubed structural length of post-natals
Ww_bi g 445.278 19.3613 11.0013 1.206 14.1502 1.81696 mean wet weight of post-natals
L_pi cm 6.00314 0.688237 0.909323 0.255146 0.866119 0.265749 mean structural length of adults
L2_pi cm^2 37.9909 3.0148 1.47617 0.25776 1.35019 0.272802 mean squared structural length of adults
L3_pi cm^3 245.097 18.0833 3.43984 0.80055 3.07079 0.891589 mean cubed structural length of adults
Ww_pi g 445.447 32.8651 11.437 2.66171 14.8389 4.30841 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 1.29878 0.0607636 0.138203 0.0114725 0.206596 0.0186574 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 0.17901 0.0576368 0.134859 0.0439293 yield of living structure on food
Y_VX_d mol/mol 0.0151295 0.0375689 3.04406e-06 0.114375 1.33534e-06 0.0871966 yield of dead structure on food
Y_EX mol/mol 0 0 0.416172 0.133997 0.516819 0.168349 yield of living reserve on food
Y_EX_d mol/mol 0.0123673 0.0307098 7.07699e-06 0.265904 5.1174e-06 0.334162 yield of dead reserve on food
Y_CX mol/mol 0.863128 0.822346 0.295433 0.318712 0.23894 0.256988 yield of CO2 on food
Y_HX mol/mol 0.620973 0.591632 0.212547 0.229296 0.171904 0.184889 yield of H2O on food
Y_OX mol/mol -0.938652 -0.894302 -0.321283 -0.3466 -0.259848 -0.279474 yield of O2 on food
Y_NX mol/mol 0.129469 0.123352 0.0443149 0.0478069 0.0358411 0.0385482 yield of N-waste on food
mu_TX J/mol 458133 436825 154095 166549 120816 130556 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