Trachurus declivis: 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: 2025/05/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.465086 0.469648 0.734824 0.734824 1 1 scaled functional response
r 1/d 0 0 0.00336597 0.000559457 0.00470918 0.000767948 spec pop growth rate
t2 d NaN NaN 205.928 1238.96 147.191 902.597 population doubling time
a_b d 20.0395 20.0102 18.7837 18.7837 18.0866 18.0866 age at birth
t_j d 31.4366 31.2216 23.3672 23.3672 19.7151 19.7151 time since birth at metam
t_p d 8586.91 7828.49 2690.87 2690.87 1965.64 1965.64 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 0.999999 0.295109 0.999999 0.215972 0.999999 0.173761 survival probability at metam
S_p - 0.999999 0.148944 0.999999 0.148587 0.999999 0.148429 survival probability at puberty
theta_0b - 0.00172556 0.470833 0.0611824 0.547443 0.0815006 0.582331 frac of ind that is embryo
theta_bj - 0.00172863 0.272429 0.0575245 0.277933 0.0749954 0.27222 frac of ind between b and j
theta_jp - 0.000983125 0.0564907 0.0134933 0.023703 0.00644431 0.00826737 frac of ind between j and p
theta_pi - 0.995563 0.200248 0.8678 0.150922 0.83706 0.137182 frac of ind that is adult
L_bi cm 4.13411 0.387754 0.884353 0.201233 0.784865 0.191589 mean structural length of post-natals
L2_bi cm^2 18.5516 1.02368 1.35365 0.226525 1.09521 0.198675 mean squared structural length of post-natals
L3_bi cm^3 85.8822 4.26568 2.83337 0.745398 2.15194 0.669072 mean cubed structural length of post-natals
Ww_bi g 137.212 6.8402 5.50897 1.44929 4.91738 1.52889 mean wet weight of post-natals
L_pi cm 4.14514 0.897282 0.949755 0.448447 0.852943 0.424755 mean structural length of adults
L2_pi cm^2 18.6021 2.69496 1.46382 0.666868 1.20103 0.592209 mean squared structural length of adults
L3_pi cm^3 86.1161 11.2715 3.06519 2.23415 2.36124 2.03603 mean cubed structural length of adults
Ww_pi g 137.586 18.0743 5.9597 4.34389 5.39566 4.65253 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.329886 0.0183625 0.0380591 0.00633639 0.0419179 0.00755959 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 0.250585 0.0658132 0.241755 0.0679682 yield of living structure on food
Y_VX_d mol/mol 0.031737 0.0716789 9.74123e-05 0.135166 4.28071e-05 0.137278 yield of dead structure on food
Y_EX mol/mol 0 0 0.236632 0.0621487 0.310678 0.0873456 yield of living reserve on food
Y_EX_d mol/mol 0.0189685 0.0432613 9.19884e-05 0.12764 5.50112e-05 0.176416 yield of dead reserve on food
Y_CX mol/mol 0.839919 0.775685 0.403218 0.499857 0.338094 0.421617 yield of CO2 on food
Y_HX mol/mol 0.604275 0.558062 0.290093 0.359619 0.24324 0.30333 yield of H2O on food
Y_OX mol/mol -0.913412 -0.843557 -0.4385 -0.543594 -0.367677 -0.458509 yield of O2 on food
Y_NX mol/mol 0.125988 0.116353 0.0604827 0.0749785 0.0507141 0.0632426 yield of N-waste on food
mu_TX J/mol 446199 412867 216960 267626 180698 224808 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