Pollachius virens: Population traits

at T = 6 °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 - 0.245283 0.257818 0.628909 0.628909 1 1 scaled functional response
r 1/d 0 0 0.00527326 0.000694651 0.0109069 0.00133905 spec pop growth rate
t2 d NaN NaN 131.446 997.835 63.5513 517.643 population doubling time
a_b d 16.0015 15.8864 13.8724 13.8724 12.8702 12.8702 age at birth
t_j d 1207.35 1141.5 443.665 443.665 280.446 280.446 time since birth at metam
t_p d 12091.9 9463.19 2058.22 2058.22 1222.05 1222.05 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 0.999998 0.90383 0.999999 0.796023 0.999999 0.715216 survival probability at metam
S_p - 0.998846 0.000698671 0.999855 0.000678279 0.999942 0.000673195 survival probability at puberty
theta_0b - 0.00125363 0.0907719 0.0701579 0.191773 0.130435 0.261151 frac of ind that is embryo
theta_bj - 0.00126755 0.0872575 0.0655961 0.170899 0.113886 0.219299 frac of ind between b and j
theta_jp - 0.0943233 0.819378 0.774656 0.636305 0.71486 0.518728 frac of ind between j and p
theta_pi - 0.903155 0.00259291 0.0895904 0.00102328 0.040818 0.000822398 frac of ind that is adult
L_bi cm 5.16941 0.140021 0.405465 0.131103 0.282792 0.130148 mean structural length of post-natals
L2_bi cm^2 31.7166 0.0697053 0.542034 0.0320482 0.241098 0.0291575 mean squared structural length of post-natals
L3_bi cm^3 204.22 0.294279 1.41568 0.0821217 0.47592 0.0636235 mean cubed structural length of post-natals
Ww_bi g 211.332 0.305051 1.54208 0.0894543 0.543489 0.0726564 mean wet weight of post-natals
L_pi cm 5.67726 3.46878 1.97838 2.41717 1.7754 2.28888 mean structural length of adults
L2_pi cm^2 35.0524 17.098 4.77702 9.57132 3.72211 8.47458 mean squared structural length of adults
L3_pi cm^3 225.821 101.481 14.2276 61.3846 9.42785 53.2873 mean cubed structural length of adults
Ww_pi g 233.685 105.196 15.498 66.8656 10.7664 60.8528 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.597848 0.00106513 0.024695 0.000808098 0.016213 0.00107075 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 0.302297 0.0705928 0.320163 0.0795653 yield of living structure on food
Y_VX_d mol/mol 0.0461977 0.107994 7.51602e-05 0.205732 1.71204e-05 0.230634 yield of dead structure on food
Y_EX mol/mol 0 0 0.026992 0.0063032 0.0454552 0.0112963 yield of living reserve on food
Y_EX_d mol/mol 0.00160879 0.00395299 6.71102e-06 0.0183697 2.43067e-06 0.0327444 yield of dead reserve on food
Y_CX mol/mol 0.842819 0.778678 0.561254 0.589627 0.524988 0.536385 yield of CO2 on food
Y_HX mol/mol 0.606361 0.560215 0.403791 0.424204 0.377699 0.385899 yield of H2O on food
Y_OX mol/mol -0.916565 -0.846812 -0.610363 -0.641219 -0.570924 -0.583318 yield of O2 on food
Y_NX mol/mol 0.126423 0.116802 0.0841881 0.088444 0.0787481 0.0804577 yield of N-waste on food
mu_TX J/mol 448516 416329 306464 320767 287408 293178 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