Gnathanodon speciosus: Population traits

at T = 22.3 °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: 2025/02/14
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.212278 0.212278 0.606139 0.606139 1 1 scaled functional response
r 1/d 0 0 0.0104215 0.000563095 0.0143152 0.0006899 spec pop growth rate
t2 d NaN NaN 66.5115 1230.96 48.4203 1004.71 population doubling time
a_b d 8.2514 8.2514 7.08173 7.08173 6.69295 6.69295 age at birth
t_j d 20.9106 20.9106 10.2233 10.2233 7.99598 7.99598 time since birth at metam
t_p d 3342.76 3342.76 671.074 671.074 485.067 485.067 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.396994 1 0.196095 1 0.139415 survival probability at metam
S_p - 1 0.0962151 1 0.0951901 1 0.0949981 survival probability at puberty
theta_0b - 0.000429998 0.396041 0.070978 0.577852 0.0911701 0.624514 frac of ind that is embryo
theta_bj - 0.000431029 0.259125 0.0660948 0.284896 0.0830346 0.272378 frac of ind between b and j
theta_jp - 0.000661279 0.129251 0.0277947 0.0356422 0.015261 0.0140096 frac of ind between j and p
theta_pi - 0.998478 0.215583 0.835132 0.10161 0.810534 0.0890978 frac of ind that is adult
L_bi cm 3.93845 0.725529 0.914711 0.220188 0.880301 0.21156 mean structural length of post-natals
L2_bi cm^2 15.843 2.4211 1.50994 0.545575 1.43713 0.572705 mean squared structural length of post-natals
L3_bi cm^3 64.2012 9.5296 3.49636 3.85837 3.37998 5.4224 mean cubed structural length of post-natals
Ww_bi g 85.5491 12.6983 6.81602 7.52174 8.6744 13.9161 mean wet weight of post-natals
L_pi cm 3.94266 1.89346 1.00756 0.670855 0.976278 0.642917 mean structural length of adults
L2_pi cm^2 15.8603 6.7715 1.67877 2.2469 1.61041 2.39343 mean squared structural length of adults
L3_pi cm^3 64.2715 26.6963 3.88935 16.0283 3.78978 22.85 mean cubed structural length of adults
Ww_pi g 85.6426 35.5732 7.58213 31.2465 9.72612 58.6424 mean wet weight of adults
R 1/d 0.723458 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.455462 0.0695639 0.124376 0.044812 0.195427 0.0776684 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 0.292961 0.0484832 0.247587 0.0481652 yield of living structure on food
Y_VX_d mol/mol 0.00799741 0.0224698 6.24608e-07 0.097706 2.56263e-07 0.0967709 yield of dead structure on food
Y_EX mol/mol 0 0 0.278155 0.0460329 0.387823 0.0754464 yield of living reserve on food
Y_EX_d mol/mol 0.00265926 0.00747153 5.93041e-07 0.0927681 4.01412e-07 0.151583 yield of dead reserve on food
Y_CX mol/mol 0.879968 0.860684 0.319508 0.605635 0.255215 0.51866 yield of CO2 on food
Y_HX mol/mol 0.633088 0.619214 0.229868 0.435721 0.183613 0.373147 yield of H2O on food
Y_OX mol/mol -0.956966 -0.935993 -0.347465 -0.658628 -0.277546 -0.564042 yield of O2 on food
Y_NX mol/mol 0.131995 0.129103 0.0479262 0.0908452 0.0382822 0.0777989 yield of N-waste on food
mu_TX J/mol 467039 457156 173034 323065 135404 275166 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