Atractoscion aequidens: Population traits

at T = 18.7 °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: 2025/05/19
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.454374 0.454374 0.727187 0.727187 1 1 scaled functional response
r 1/d 0 0 0.00637538 0.00082867 0.00899452 0.00113121 spec pop growth rate
t2 d NaN NaN 108.723 836.457 77.0633 612.751 population doubling time
a_b d 11.4178 11.4178 10.6794 10.6794 10.2631 10.2631 age at birth
t_j d 40.951 40.951 30.1412 30.1412 25.2773 25.2773 time since birth at metam
t_p d 5769.68 5769.68 1791.07 1791.07 1302.24 1302.24 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.300665 1 0.216966 1 0.173524 survival probability at metam
S_p - 1 0.0134304 1 0.0133982 1 0.0133844 survival probability at puberty
theta_0b - 0.000937759 0.53672 0.0656803 0.600374 0.0880083 0.633334 frac of ind that is embryo
theta_bj - 0.000940126 0.313119 0.0614965 0.305997 0.080419 0.296545 frac of ind between b and j
theta_jp - 0.00243174 0.128606 0.101849 0.0787407 0.105048 0.0567383 frac of ind between j and p
theta_pi - 0.99569 0.0215547 0.770974 0.0148884 0.726525 0.0133821 frac of ind that is adult
L_bi cm 9.29922 0.16331 1.36073 0.0990582 1.17566 0.0969048 mean structural length of post-natals
L2_bi cm^2 91.5564 0.68987 3.58542 0.100309 2.77542 0.0882616 mean squared structural length of post-natals
L3_bi cm^3 919.802 6.35807 13.2019 0.678545 9.4084 0.611519 mean cubed structural length of post-natals
Ww_bi g 1440.09 9.95451 25.1532 1.29281 21.1209 1.3728 mean wet weight of post-natals
L_pi cm 9.33034 2.06283 1.62624 0.836587 1.44844 0.793711 mean structural length of adults
L2_pi cm^2 91.8664 14.7124 4.34219 2.54775 3.4805 2.27059 mean squared structural length of adults
L3_pi cm^3 922.917 136.645 15.9985 18.1997 11.8097 16.7418 mean cubed structural length of adults
Ww_pi g 1444.96 213.937 30.4816 34.6754 26.5115 37.5835 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 4.87092 0.0365447 0.305459 0.00829333 0.325238 0.00999607 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 0.275542 0.0678003 0.260191 0.0692026 yield of living structure on food
Y_VX_d mol/mol 0.0195796 0.0479899 1.31243e-05 0.141106 5.63913e-06 0.143362 yield of dead structure on food
Y_EX mol/mol 0 0 0.249441 0.0613777 0.323911 0.08615 yield of living reserve on food
Y_EX_d mol/mol 0.0110752 0.0271454 1.1881e-05 0.12774 7.02013e-06 0.178471 yield of dead reserve on food
Y_CX mol/mol 0.85997 0.81549 0.365617 0.492601 0.30651 0.41344 yield of CO2 on food
Y_HX mol/mol 0.618701 0.5867 0.263041 0.354399 0.220517 0.297447 yield of H2O on food
Y_OX mol/mol -0.935218 -0.886845 -0.397608 -0.535704 -0.33333 -0.449616 yield of O2 on food
Y_NX mol/mol 0.128996 0.122323 0.0548425 0.0738902 0.0459765 0.0620159 yield of N-waste on food
mu_TX J/mol 456619 433575 197523 264032 164247 220676 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