Sparodon durbanensis: Population traits

at T = 26.8 °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_min f_max date: 2025/06/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.222288 NaN 0.224549 0.224549 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00939456 0.00939456 0.00136123 0.00136123 spec pop growth rate
t2 d NaN NaN NaN NaN 73.7817 73.7817 509.206 509.206 population doubling time
a_b d 7.82864 NaN 7.81583 NaN 6.09528 6.10558 6.09528 6.10558 age at birth
t_j d 108.949 NaN 107.879 NaN 27.7908 28.0239 27.7908 28.0239 time since birth at metam
t_p d 12716.3 NaN 11977.9 NaN 1213.21 1224.88 1213.21 1224.88 time since birth at puberty
S_b - 1 NaN 1 NaN 1 1 1 1 survival probability at birth
S_j - 1 NaN 0.764462 NaN 1 1 0.442097 0.444505 survival probability at metam
S_p - 0.999993 NaN 0.0245473 NaN 1 1 0.0241978 0.0241988 survival probability at puberty
theta_0b - 0.000535337 NaN 0.200463 NaN 0.0553096 0.0554007 0.441202 0.43959 frac of ind that is embryo
theta_bj - 0.000540005 NaN 0.177326 NaN 0.0525761 0.0526573 0.301268 0.300867 frac of ind between b and j
theta_jp - 0.00697508 NaN 0.557049 NaN 0.164499 0.165988 0.22272 0.224656 frac of ind between j and p
theta_pi - 0.99195 NaN 0.0651612 NaN 0.727615 0.725954 0.0348103 0.0348874 frac of ind that is adult
L_bi cm 4.62887 NaN 0.15739 NaN 0.749744 0.743289 0.0999471 0.0998565 mean structural length of post-natals
L2_bi cm^2 23.5351 NaN 0.323942 NaN 1.12847 1.10922 0.0679437 0.0674061 mean squared structural length of post-natals
L3_bi cm^3 123.912 NaN 1.50158 NaN 2.49623 2.4329 0.298359 0.293348 mean cubed structural length of post-natals
Ww_bi g 132.13 NaN 1.60218 NaN 3.24101 3.15144 0.387379 0.379986 mean wet weight of post-natals
L_pi cm 4.66321 NaN 1.15802 NaN 0.945366 0.938839 0.573466 0.572373 mean structural length of adults
L2_pi cm^2 23.7133 NaN 3.91642 NaN 1.46216 1.44029 1.01297 1.00501 mean squared structural length of adults
L3_pi cm^3 124.85 NaN 18.4196 NaN 3.2406 3.1653 4.78287 4.70557 mean cubed structural length of adults
Ww_pi g 133.131 NaN 19.6537 NaN 4.20748 4.10015 6.20991 6.09533 mean wet weight of adults
R 1/d 0 NaN 0 NaN 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.24842 NaN 0.00342925 NaN 0.0538124 0.0523568 0.00312715 0.00307002 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.435791 0.436545 0.129874 0.130069 yield of living structure on food
Y_VX_d mol/mol 0.0503857 NaN 0.111364 NaN 1.49432e-05 1.51223e-05 0.268171 0.268644 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.130025 0.12893 0.0387499 0.0384148 yield of living reserve on food
Y_EX_d mol/mol 0.00334173 NaN 0.00746111 NaN 4.45853e-06 4.46624e-06 0.0800129 0.0793418 yield of dead reserve on food
Y_CX mol/mol 0.836898 NaN 0.7718 NaN 0.324789 0.32513 0.373818 0.374156 yield of CO2 on food
Y_HX mol/mol 0.602101 NaN 0.555267 NaN 0.233668 0.233913 0.268941 0.269184 yield of H2O on food
Y_OX mol/mol -0.910126 NaN -0.839332 NaN -0.353208 -0.353579 -0.406527 -0.406895 yield of O2 on food
Y_NX mol/mol 0.125535 NaN 0.11577 NaN 0.0487184 0.0487696 0.0560726 0.0561234 yield of N-waste on food
mu_TX J/mol 445469 NaN 412714 NaN 183081 183306 208158 208378 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