Acipenser brevirostrum: Population traits

at T = 13 °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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.291537 0.292613 0.646306 0.646306 1 1 scaled functional response
r 1/d 0 0 0.00315399 0.000830454 0.00413281 0.00103012 spec pop growth rate
t2 d NaN NaN 219.768 834.661 167.718 672.88 population doubling time
a_b d 38.0879 38.0679 34.4836 34.4836 33.0988 33.0988 age at birth
t_p d 25985.8 14480.6 2412.33 2412.33 1816.38 1816.38 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.481386 1 0.377224 1 0.337839 survival probability at puberty
theta_0b - 0.00136064 0.239221 0.102919 0.41491 0.127695 0.45227 frac of ind that is embryo
theta_bp - 0.00136263 0.166063 0.0924494 0.248396 0.111522 0.255044 fraction of individuals that is juvenile
theta_pi - 0.997277 0.594715 0.804631 0.336694 0.760782 0.292686 frac of ind that is adult
L_bi cm 4.52461 1.68114 1.0558 0.522538 1.00534 0.512757 mean structural length of post-natals
L2_bi cm^2 21.3008 6.42265 1.78462 0.680893 1.64676 0.664433 mean squared structural length of post-natals
L3_bi cm^3 101.793 29.1636 4.15292 1.98142 3.80732 2.05341 mean cubed structural length of post-natals
Ww_bi g 215.03 61.7258 14.3946 6.86789 18.3351 9.88869 mean wet weight of post-natals
L_pi cm 4.53052 2.09495 1.15201 0.75259 1.11961 0.771301 mean structural length of adults
L2_pi cm^2 21.3298 8.20485 1.98408 1.14981 1.88051 1.20173 mean squared structural length of adults
L3_pi cm^3 101.932 37.3047 4.62881 3.4359 4.36362 3.83328 mean cubed structural length of adults
Ww_pi g 215.324 78.9567 16.0441 11.9093 21.0141 18.4601 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.521169 0.157724 0.0967997 0.0369323 0.138204 0.0557622 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 0.135313 0.044554 0.113853 0.0379335 yield of living structure on food
Y_VX_d mol/mol 0.00827272 0.0211883 3.34437e-06 0.0840409 1.49282e-06 0.0717884 yield of dead structure on food
Y_EX mol/mol 0 0 0.333701 0.109876 0.434435 0.144744 yield of living reserve on food
Y_EX_d mol/mol 0.00920284 0.0236574 8.24769e-06 0.207257 5.69621e-06 0.273926 yield of dead reserve on food
Y_CX mol/mol 0.873149 0.845779 0.4216 0.444897 0.34233 0.362233 yield of CO2 on food
Y_HX mol/mol 0.628183 0.608491 0.303318 0.320079 0.246287 0.260606 yield of H2O on food
Y_OX mol/mol -0.94955 -0.919785 -0.45849 -0.483826 -0.372284 -0.393928 yield of O2 on food
Y_NX mol/mol 0.130972 0.126867 0.06324 0.0667346 0.0513495 0.0543349 yield of N-waste on food
mu_TX J/mol 463302 448894 221302 233779 176630 187370 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