Thunnus atlanticus: Population traits

at T = 14.4 °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: 2024/09/15
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.273954 0.273954 0.636977 0.636977 1 1 scaled functional response
r 1/d 0 0 0.0165424 0.00421615 0.0192699 0.00456976 spec pop growth rate
t2 d NaN NaN 41.9013 164.403 35.9705 151.681 population doubling time
a_b d 5.09303 5.09303 4.93434 4.93434 4.88791 4.88791 age at birth
t_j d 3.30055 3.30055 2.8898 2.8898 2.77812 2.77812 time since birth at metam
t_p d 2730.98 2730.98 731.536 731.536 618.795 618.795 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.200838 1 0.199835 1 0.199572 survival probability at metam
S_p - 1 0.120723 1 0.105057 1 0.100734 survival probability at puberty
theta_0b - 0.00114364 0.612103 0.0782417 0.671889 0.0897264 0.679757 frac of ind that is embryo
theta_bj - 0.000742685 0.197893 0.0430275 0.193024 0.0474493 0.189255 frac of ind between b and j
theta_jp - 0.000403342 0.0336069 0.0292231 0.0393581 0.034375 0.0405255 frac of ind between j and p
theta_pi - 0.99771 0.156398 0.849508 0.0957292 0.828449 0.0904616 frac of ind that is adult
L_bi cm 2.00991 0.273109 0.429033 0.0769145 0.398526 0.0754249 mean structural length of post-natals
L2_bi cm^2 4.18739 0.43194 0.327206 0.0307773 0.290006 0.0297082 mean squared structural length of post-natals
L3_bi cm^3 8.83615 0.867841 0.347844 0.0404406 0.302441 0.0416186 mean cubed structural length of post-natals
Ww_bi g 93.3843 9.17171 8.08659 0.940154 10.8658 1.49523 mean wet weight of post-natals
L_pi cm 2.01218 0.631617 0.46235 0.186924 0.434154 0.186193 mean structural length of adults
L2_pi cm^2 4.1922 1.06981 0.354909 0.102912 0.318498 0.102427 mean squared structural length of adults
L3_pi cm^3 8.8463 2.15237 0.377423 0.138517 0.332306 0.147234 mean cubed structural length of adults
Ww_pi g 93.4915 22.7471 8.77423 3.22022 11.9388 5.28969 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 1.94838 0.200932 0.354578 0.0332223 0.493583 0.0503581 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 0.0243423 0.00769833 0.0177113 0.00566504 yield of living structure on food
Y_VX_d mol/mol 0.00177055 0.00469884 5.33362e-07 0.0153144 2.56732e-07 0.0112718 yield of dead structure on food
Y_EX mol/mol 0 0 0.541562 0.171271 0.618603 0.197864 yield of living reserve on food
Y_EX_d mol/mol 0.0169414 0.0449605 1.18661e-05 0.340711 8.96691e-06 0.39369 yield of dead reserve on food
Y_CX mol/mol 0.871913 0.840966 0.324708 0.355631 0.254301 0.282134 yield of CO2 on food
Y_HX mol/mol 0.627397 0.605304 0.236753 0.258829 0.186491 0.20636 yield of H2O on food
Y_OX mol/mol -0.948205 -0.91455 -0.35312 -0.386749 -0.276553 -0.306821 yield of O2 on food
Y_NX mol/mol 0.130787 0.126145 0.0487062 0.0533447 0.0381452 0.0423202 yield of N-waste on food
mu_TX J/mol 462297 445422 162463 179404 123408 138677 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