Acipenser sturio: Population traits

at T = 20 °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: 2023/03/18
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.40651 0.407352 0.703676 0.703676 1 1 scaled functional response
r 1/d 0 0 0.00300626 0.000645019 0.00371927 0.000764737 spec pop growth rate
t2 d NaN NaN 230.568 1074.62 186.366 906.386 population doubling time
a_b d 14.3387 14.3361 13.7715 13.7715 13.5121 13.5121 age at birth
t_p d 26539.2 15538.2 3292.64 3292.64 2637.91 2637.91 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.345136 1 0.308389 1 0.292143 survival probability at puberty
theta_0b - 0.000458076 0.384479 0.0404183 0.453187 0.0488538 0.470074 frac of ind that is embryo
theta_bp - 0.000459581 0.226502 0.0389163 0.250462 0.046619 0.252538 fraction of individuals that is juvenile
theta_pi - 0.999082 0.389019 0.920665 0.29635 0.904527 0.277387 frac of ind that is adult
L_bi cm 15.346 2.07821 2.54521 0.587315 2.31274 0.568307 mean structural length of post-natals
L2_bi cm^2 244.634 25.0712 11.3844 1.71724 9.60841 1.57908 mean squared structural length of post-natals
L3_bi cm^3 3953.11 385.446 70.7953 14.9799 56.8978 14.0758 mean cubed structural length of post-natals
Ww_bi g 13241.9 1293.02 358.752 75.91 385.783 95.4376 mean wet weight of post-natals
L_pi cm 15.353 3.18631 2.64478 0.931979 2.42199 0.920287 mean structural length of adults
L2_pi cm^2 244.747 39.6503 11.864 3.14056 10.1017 2.98569 mean squared structural length of adults
L3_pi cm^3 3954.93 609.864 73.7875 27.635 59.8298 26.8846 mean cubed structural length of adults
Ww_pi g 13248 2045.86 373.915 140.039 405.663 182.285 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 23.9299 2.45752 1.92768 0.290776 2.31209 0.379977 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 0.110407 0.0332295 0.0915267 0.0283287 yield of living structure on food
Y_VX_d mol/mol 0.00617603 0.0162179 1.61858e-06 0.0654667 7.8868e-07 0.0558147 yield of dead structure on food
Y_EX mol/mol 0 0 0.449075 0.135159 0.529051 0.163748 yield of living reserve on food
Y_EX_d mol/mol 0.0145121 0.0381869 6.58348e-06 0.266282 4.55879e-06 0.322625 yield of dead reserve on food
Y_CX mol/mol 0.869937 0.83622 0.331135 0.390487 0.270042 0.320109 yield of CO2 on food
Y_HX mol/mol 0.625871 0.601614 0.238233 0.280934 0.19428 0.2303 yield of H2O on food
Y_OX mol/mol -0.946056 -0.909389 -0.36011 -0.424655 -0.293671 -0.348118 yield of O2 on food
Y_NX mol/mol 0.130491 0.125433 0.0496703 0.058573 0.0405063 0.0480163 yield of N-waste on food
mu_TX J/mol 461430 443388 170301 202359 135756 162923 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