Brama australis: Population traits

at T = 22 °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: 2025/05/23
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.620512 0.620512 0.804182 0.804182 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00589463 0.00589463 0.000225097 0.000225097 spec pop growth rate
t2 d NaN NaN NaN NaN 117.59 117.59 3079.33 3079.33 population doubling time
a_b d 18.9825 18.9982 18.2002 18.2152 17.5908 17.6047 17.5908 17.6047 age at birth
t_j d 88.6474 89.0348 71.7723 72.0637 60.8406 61.071 60.8406 61.071 time since birth at metam
t_p d 4740.83 5156.13 1801.01 1818.81 1280.58 1289.4 1280.58 1289.4 time since birth at puberty
S_b - 0.999998 0.999998 0.999998 0.999998 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.99999 0.99999 0.361363 0.362556 0.999992 0.999992 0.313131 0.314223 survival probability at metam
S_p - 0.999939 0.999939 0.0180616 0.0180626 0.999971 0.99997 0.0180257 0.0180264 survival probability at puberty
theta_0b - 0.00427186 0.00428266 0.492646 0.491826 0.0984147 0.0984885 0.528579 0.52783 frac of ind that is embryo
theta_bj - 0.00427868 0.00428941 0.30954 0.30945 0.0888315 0.088891 0.311971 0.311968 frac of ind between b and j
theta_jp - 0.0157022 0.0158124 0.166394 0.167235 0.182963 0.183737 0.133344 0.134047 frac of ind between j and p
theta_pi - 0.975747 0.975616 0.0314202 0.0314888 0.629791 0.628884 0.0261056 0.0261548 frac of ind that is adult
L_bi cm 5.58297 5.55294 0.288053 0.287867 1.32293 1.31758 0.25504 0.254938 mean structural length of post-natals
L2_bi cm^2 34.9557 34.5836 0.767133 0.762771 3.31708 3.29022 0.566011 0.563365 mean squared structural length of post-natals
L3_bi cm^3 228.363 224.742 5.38056 5.32106 11.4438 11.3048 4.28461 4.24254 mean cubed structural length of post-natals
Ww_bi g 300.32 295.193 7.57779 7.48281 17.255 17.0158 6.46034 6.38582 mean wet weight of post-natals
L_pi cm 5.69256 5.66259 2.28021 2.27602 1.79785 1.79234 1.93732 1.93498 mean structural length of adults
L2_pi cm^2 35.6703 35.2949 11.9738 11.8966 4.72402 4.69187 9.75639 9.70578 mean squared structural length of adults
L3_pi cm^3 233.039 229.372 86.7995 85.79 16.3754 16.1984 77.2798 76.4976 mean cubed structural length of adults
Ww_pi g 306.469 301.275 122.245 120.643 24.6909 24.3816 116.523 115.143 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 1.3693 1.34772 0.0383045 0.0378861 0.209423 0.206651 0.0349389 0.0345922 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 0.322109 0.322463 0.0276039 0.0276069 yield of living structure on food
Y_VX_d mol/mol 0.0594052 0.0595135 0.123858 0.124094 0.000497528 0.000500648 0.133055 0.133288 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.163567 0.162904 0.0140173 0.0139466 yield of living reserve on food
Y_EX_d mol/mol 0.0187184 0.018656 0.050579 0.0504149 0.000252645 0.000252921 0.0675655 0.0673353 yield of dead reserve on food
Y_CX mol/mol 0.812501 0.812456 0.716188 0.716116 0.404199 0.404504 0.648383 0.648448 yield of CO2 on food
Y_HX mol/mol 0.58455 0.584517 0.515258 0.515206 0.290799 0.291018 0.466476 0.466523 yield of H2O on food
Y_OX mol/mol -0.883595 -0.883545 -0.778855 -0.778776 -0.439566 -0.439898 -0.705117 -0.705188 yield of O2 on food
Y_NX mol/mol 0.121875 0.121868 0.107428 0.107417 0.0606298 0.0606756 0.0972575 0.0972673 yield of N-waste on food
mu_TX J/mol 432502 432482 382753 382725 221096 221282 347300 347348 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