Mecistops cataphractus: 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: 2025/05/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.824945 0.824945 0.854935 0.854935 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00067784 0.00067784 0.000127556 0.000127556 spec pop growth rate
t2 d NaN NaN NaN NaN 1022.58 1022.58 5434.05 5434.05 population doubling time
a_b d 193.056 185.899 192.375 185.395 189.573 183.338 189.573 183.338 age at birth
t_p d 14462.1 3164.32 7474.61 3051.26 4418.45 2664.86 4418.45 2664.86 time since birth at puberty
S_b - 0.999999 1 0.999999 1 0.999999 1 0.999999 1 survival probability at birth
S_p - 0.999996 0.999998 0.396131 0.34809 0.999996 0.999998 0.376469 0.334543 survival probability at puberty
theta_0b - 0.00821336 0.00670807 0.215042 0.285227 0.120621 0.11687 0.350314 0.406192 frac of ind that is embryo
theta_bp - 0.00821573 0.00670982 0.134434 0.167351 0.106101 0.103236 0.208883 0.228831 fraction of individuals that is juvenile
theta_pi - 0.983571 0.986582 0.650523 0.547422 0.773279 0.779894 0.440802 0.364977 frac of ind that is adult
L_bi cm 20.3653 30.7822 15.1515 18.7417 12.213 15.1804 10.7677 11.4121 mean structural length of post-natals
L2_bi cm^2 427.925 985.214 292.607 526.183 186.694 306.941 179.307 243.214 mean squared structural length of post-natals
L3_bi cm^3 9119.29 32053.1 6163.25 16744.3 3283.11 7388.32 3741.14 7199.23 mean cubed structural length of post-natals
Ww_bi g 27687.7 132196 19168.9 70960 11386.6 35369.9 12975.2 34464.7 mean wet weight of post-natals
L_pi cm 20.5034 30.9643 17.5146 23.2975 13.3541 16.6536 14.0879 16.139 mean structural length of adults
L2_pi cm^2 431.375 991.803 350.17 682.43 210.188 345.347 257.438 386.061 mean squared structural length of adults
L3_pi cm^3 9194.97 32270.7 7425.74 21844.6 3725 8356.89 5487.2 11673.7 mean cubed structural length of adults
Ww_pi g 27917.5 133094 23095.4 92574.5 12919.2 40006.7 19031 55885.4 mean wet weight of adults
R 1/d 0 0.11064 0 0.0578518 0 0 0 0.00913214 mean reproduction rate of adults
J_X g/d 60.5795 214.006 42.9289 118.451 32.0379 80.8213 30.7701 64.0411 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 0.0694622 0.0619651 0.0155087 0.0143393 yield of living structure on food
Y_VX_d mol/mol 0.00755021 0.00652658 0.0182181 0.0159122 0.000129628 7.5648e-05 0.0311226 0.0287977 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.17145 0.234679 0.0382794 0.054307 yield of living reserve on food
Y_EX_d mol/mol 0.0153735 0.020391 0.0384435 0.0515215 0.000319955 0.0002865 0.0768181 0.109065 yield of dead reserve on food
Y_CX mol/mol 0.705007 0.701762 0.677595 0.668843 0.527526 0.482315 0.592228 0.555844 yield of CO2 on food
Y_HX mol/mol 0.749598 0.746147 0.720452 0.711146 0.560891 0.512821 0.629685 0.591 yield of H2O on food
Y_OX mol/mol -0.894817 -0.890698 -0.860025 -0.848916 -0.669553 -0.61217 -0.751674 -0.705495 yield of O2 on food
Y_NX mol/mol 0.162694 0.161945 0.156368 0.154348 0.121737 0.111304 0.136668 0.128272 yield of N-waste on food
mu_TX J/mol 452330 450119 434616 428675 337290 306817 379211 354817 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