Trachurus novaezelandiae: Population traits

at T = 15.3 °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: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.304594 0.304594 0.652297 0.652297 1 1 scaled functional response
r 1/d 0 0 0.0103154 0.00156518 0.0152617 0.00214759 spec pop growth rate
t2 d NaN NaN 67.1956 442.854 45.4173 322.755 population doubling time
a_b d 11.6477 11.6477 10.363 10.363 9.79737 9.79737 age at birth
t_j d 35.5749 35.5749 20.2694 20.2694 15.7317 15.7317 time since birth at metam
t_p d 3542.84 3542.84 821.452 821.452 573.019 573.019 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.416484 1 0.252629 1 0.186623 survival probability at metam
S_p - 1 0.0688911 1 0.0678099 1 0.0675131 survival probability at puberty
theta_0b - 0.00114131 0.405858 0.101256 0.555363 0.138735 0.605654 frac of ind that is embryo
theta_bj - 0.0011434 0.270871 0.0911173 0.297796 0.119615 0.288542 frac of ind between b and j
theta_jp - 0.00234881 0.161354 0.0784535 0.072473 0.0642177 0.041473 frac of ind between j and p
theta_pi - 0.995366 0.161917 0.729173 0.0743672 0.677432 0.0643315 frac of ind that is adult
L_bi cm 2.79027 0.442774 0.62363 0.15644 0.566385 0.151866 mean structural length of post-natals
L2_bi cm^2 8.06884 0.947328 0.689495 0.122959 0.585879 0.116387 mean squared structural length of post-natals
L3_bi cm^3 23.6304 2.63768 1.05747 0.317955 0.868127 0.334037 mean cubed structural length of post-natals
Ww_bi g 31.9822 3.56994 1.85786 0.558614 1.87546 0.721638 mean wet weight of post-natals
L_pi cm 2.79971 1.40247 0.745598 0.52067 0.693203 0.503407 mean structural length of adults
L2_pi cm^2 8.09711 3.45656 0.847399 0.698604 0.742024 0.675716 mean squared structural length of adults
L3_pi cm^3 23.7133 9.67694 1.30311 1.89759 1.10339 2.04407 mean cubed structural length of adults
Ww_pi g 32.0944 13.0971 2.28943 3.33388 2.38371 4.41591 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.208185 0.0243898 0.0382697 0.00669955 0.0499126 0.00972363 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 0.285034 0.0742822 0.265446 0.0737764 yield of living structure on food
Y_VX_d mol/mol 0.0128636 0.0347271 4.45403e-06 0.151579 1.6924e-06 0.150141 yield of dead structure on food
Y_EX mol/mol 0 0 0.215741 0.056224 0.308012 0.085607 yield of living reserve on food
Y_EX_d mol/mol 0.00454646 0.0122739 3.37124e-06 0.11473 1.96379e-06 0.174217 yield of dead reserve on food
Y_CX mol/mol 0.873215 0.843624 0.389842 0.493809 0.317163 0.406883 yield of CO2 on food
Y_HX mol/mol 0.62823 0.606941 0.28047 0.355268 0.228181 0.29273 yield of H2O on food
Y_OX mol/mol -0.949621 -0.917441 -0.423953 -0.537018 -0.344915 -0.442485 yield of O2 on food
Y_NX mol/mol 0.130982 0.126544 0.0584763 0.0740714 0.0475745 0.0610325 yield of N-waste on food
mu_TX J/mol 463568 448386 211321 265545 170368 217638 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