Acipenser baerii: Population traits

at T = 15 °C with background hazards for embryo, juv, adult: 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 std f_minf f_max date: 2025/05/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.394754 0.397487 0.698744 0.698744 1 1 scaled functional response
r 1/d 0 0 0.00157403 0.000375172 0.00189495 0.000432719 spec pop growth rate
t2 d NaN NaN 440.365 1847.55 365.787 1601.84 population doubling time
a_b d 38.6959 38.6773 37.4523 37.4523 36.9236 36.9236 age at birth
t_p d 44414.1 22576.3 6069.82 6069.82 4984.44 4984.44 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.32014 1 0.291629 1 0.279598 survival probability at puberty
theta_0b - 0.00132498 0.411535 0.0571201 0.473064 0.0674311 0.486757 frac of ind that is embryo
theta_bp - 0.00132833 0.233248 0.0539786 0.252737 0.063021 0.254229 fraction of individuals that is juvenile
theta_pi - 0.997347 0.355217 0.888901 0.274199 0.869548 0.259013 frac of ind that is adult
L_bi cm 7.26657 0.95117 1.36802 0.380423 1.2545 0.369014 mean structural length of post-natals
L2_bi cm^2 56.6018 4.85109 3.23688 0.584454 2.77894 0.542893 mean squared structural length of post-natals
L3_bi cm^3 452.552 35.4651 10.6309 2.50514 8.75966 2.37902 mean cubed structural length of post-natals
Ww_bi g 2296.42 180.963 87.3004 20.5721 99.1707 26.9336 mean wet weight of post-natals
L_pi cm 7.27607 1.49311 1.44281 0.612677 1.33541 0.603952 mean structural length of adults
L2_pi cm^2 56.6772 8.0258 3.43228 1.10747 2.97891 1.05869 mean squared structural length of adults
L3_pi cm^3 453.155 58.7512 11.2763 4.81206 9.39431 4.71173 mean cubed structural length of adults
Ww_pi g 2299.47 299.783 92.6003 39.5163 106.356 53.3429 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 2.44354 0.210875 0.247347 0.0446612 0.303907 0.0593714 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 0.0676512 0.0210442 0.054619 0.0173391 yield of living structure on food
Y_VX_d mol/mol 0.00854284 0.0200002 1.01228e-05 0.0413536 5.06516e-06 0.0340244 yield of dead structure on food
Y_EX mol/mol 0 0 0.487896 0.151769 0.563739 0.178962 yield of living reserve on food
Y_EX_d mol/mol 0.0348067 0.0820525 7.30051e-05 0.29824 5.2279e-05 0.351176 yield of dead reserve on food
Y_CX mol/mol 0.847275 0.788572 0.334994 0.378218 0.27221 0.309124 yield of CO2 on food
Y_HX mol/mol 0.609568 0.567334 0.24101 0.272107 0.19584 0.222398 yield of H2O on food
Y_OX mol/mol -0.921412 -0.857572 -0.364306 -0.411312 -0.296028 -0.336172 yield of O2 on food
Y_NX mol/mol 0.127091 0.118286 0.0502491 0.0567328 0.0408315 0.0463686 yield of N-waste on food
mu_TX J/mol 449085 417371 170286 193796 135103 155243 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