Tylosurus crocodilus: Population traits

at T = 28.5 °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: 2024/09/03
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.213453 0.270827 0.635414 0.635414 1 1 scaled functional response
r 1/d 0 0 0.0124489 0.000355841 0.0160794 0.000440648 spec pop growth rate
t2 d NaN NaN 55.6794 1947.91 43.1077 1573.02 population doubling time
a_b d 5.19004 4.99914 4.44495 4.44495 4.23466 4.23466 age at birth
t_j d 6.83646 5.71716 3.35759 3.35759 2.72542 2.72542 time since birth at metam
t_p d 2326.29 1138.96 443.09 443.09 334.885 334.885 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.318669 1 0.270125 1 0.270058 survival probability at metam
S_p - 1 0.270399 1 0.207407 1 0.175207 survival probability at puberty
theta_0b - 0.000787831 0.404737 0.0536732 0.526348 0.065641 0.568058 frac of ind that is embryo
theta_bj - 0.000790592 0.241959 0.0387399 0.222142 0.0400626 0.204198 frac of ind between b and j
theta_jp - 0.000250798 0.017142 0.0122028 0.0305082 0.0214414 0.0440659 frac of ind between j and p
theta_pi - 0.998171 0.336162 0.895384 0.221001 0.872855 0.183678 frac of ind that is adult
L_bi cm 3.87979 0.564907 0.931394 0.346902 0.913238 0.325836 mean structural length of post-natals
L2_bi cm^2 15.8715 1.98599 1.54389 1.37504 1.51712 1.45062 mean squared structural length of post-natals
L3_bi cm^3 66.2028 9.70424 3.60427 12.2505 3.62809 17.5849 mean cubed structural length of post-natals
Ww_bi g 90.4344 14.2109 7.53142 25.5985 9.84941 47.7387 mean wet weight of post-natals
L_pi cm 3.88377 0.946543 0.97991 0.660048 0.971753 0.66459 mean structural length of adults
L2_pi cm^2 15.888 3.51291 1.63137 2.94075 1.62352 3.4034 mean squared structural length of adults
L3_pi cm^3 66.2719 17.1836 3.8093 26.255 3.88369 41.3524 mean cubed structural length of adults
Ww_pi g 90.5288 25.1638 7.95985 54.8619 10.5433 112.262 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.55106 0.0874839 0.159647 0.142143 0.246914 0.23602 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 0.281051 0.0306681 0.236267 0.0328309 yield of living structure on food
Y_VX_d mol/mol 0.0228033 0.0563032 1.20019e-05 0.0774276 5.63876e-06 0.076315 yield of dead structure on food
Y_EX mol/mol 0 0 0.306229 0.0334155 0.405142 0.0562972 yield of living reserve on food
Y_EX_d mol/mol 0.00834648 0.0261475 1.30771e-05 0.0843638 9.66914e-06 0.130862 yield of dead reserve on food
Y_CX mol/mol 0.859475 0.808174 0.303319 0.66475 0.2492 0.59432 yield of CO2 on food
Y_HX mol/mol 0.618345 0.581436 0.218222 0.478251 0.179286 0.42758 yield of H2O on food
Y_OX mol/mol -0.934679 -0.87889 -0.32986 -0.722916 -0.271005 -0.646323 yield of O2 on food
Y_NX mol/mol 0.128921 0.121226 0.0454979 0.0997125 0.03738 0.089148 yield of N-waste on food
mu_TX J/mol 456508 429967 163535 353674 131530 314989 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