Epinephelus itajara: Population traits

at T = 26.3 °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_min f_max date: 2025/05/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.405805 0.405805 0.405805 0.405805 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00914765 0.00914765 0.0024164 0.0024164 spec pop growth rate
t2 d NaN NaN NaN NaN 75.7732 75.7732 286.852 286.852 population doubling time
a_b d 2.53704 2.53724 2.53704 2.53724 2.25186 2.252 2.25186 2.252 age at birth
t_j d 1.37124 1.37175 1.37124 1.37175 0.808568 0.808776 0.808568 0.808776 time since birth at metam
t_p d 7459.02 7497.25 7459.02 7497.25 1613.97 1614.63 1613.97 1614.63 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_j - 1 1 0.515284 0.515284 1 1 0.514968 0.514968 survival probability at metam
S_p - 1 1 0.365205 0.365279 1 1 0.26472 0.264766 survival probability at puberty
theta_0b - 0.000163399 0.000163443 0.365559 0.365487 0.0201947 0.0201959 0.481501 0.481453 frac of ind that is embryo
theta_bj - 8.92141e-05 8.92639e-05 0.145912 0.145926 0.00722041 0.00722225 0.127149 0.127161 frac of ind between b and j
theta_jp - 7.58477e-05 7.58416e-05 0.0736093 0.0735767 0.0127564 0.0127558 0.114352 0.114338 frac of ind between j and p
theta_pi - 0.999672 0.999671 0.41492 0.415011 0.959829 0.959826 0.276999 0.277048 frac of ind that is adult
L_bi cm 15.758 15.7494 0.755886 0.75585 1.99394 1.99342 0.241769 0.241758 mean structural length of post-natals
L2_bi cm^2 260.985 260.702 8.20131 8.19681 7.41992 7.41588 0.40845 0.408347 mean squared structural length of post-natals
L3_bi cm^3 4400.38 4393.22 128.916 128.776 39.6982 39.6651 2.6887 2.68722 mean cubed structural length of post-natals
Ww_bi g 7444.37 7430.61 218.095 217.809 107.37 107.244 7.27199 7.2655 mean wet weight of post-natals
L_pi cm 15.7606 15.752 1.12152 1.12136 2.03391 2.03337 0.391962 0.391916 mean structural length of adults
L2_pi cm^2 261.029 260.745 12.5381 12.5299 7.57423 7.57012 0.76023 0.759971 mean squared structural length of adults
L3_pi cm^3 4401.11 4393.94 197.122 196.886 40.5245 40.4907 5.03251 5.0293 mean cubed structural length of adults
Ww_pi g 7445.6 7431.84 333.482 333.01 109.605 109.476 13.6112 13.5979 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 25.0833 25.0425 0.788218 0.787359 1.75767 1.75576 0.0967334 0.0966566 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 0.206606 0.206658 0.0671635 0.0671799 yield of living structure on food
Y_VX_d mol/mol 0.013975 0.0139775 0.0347127 0.0347197 2.20701e-06 2.20876e-06 0.133423 0.133455 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.352191 0.352089 0.11449 0.114456 yield of living reserve on food
Y_EX_d mol/mol 0.00966726 0.00966382 0.0240127 0.0240046 3.76218e-06 3.76312e-06 0.227439 0.227371 yield of dead reserve on food
Y_CX mol/mol 0.866983 0.866984 0.8319 0.831901 0.331822 0.331873 0.348109 0.348163 yield of CO2 on food
Y_HX mol/mol 0.623746 0.623747 0.598506 0.598506 0.238727 0.238764 0.250445 0.250484 yield of H2O on food
Y_OX mol/mol -0.942844 -0.942845 -0.904691 -0.904692 -0.360856 -0.360912 -0.378569 -0.378627 yield of O2 on food
Y_NX mol/mol 0.130047 0.130048 0.124785 0.124785 0.0497732 0.0497809 0.0522164 0.0522244 yield of N-waste on food
mu_TX J/mol 460196 460196 441937 441938 175489 175519 184146 184178 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