Acipenser ruthenus: 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: 2023/03/18
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.377393 0.395632 0.697816 0.697816 1 1 scaled functional response
r 1/d 0 0 0.00360058 0.000815937 0.00523208 0.00117413 spec pop growth rate
t2 d NaN NaN 192.51 849.511 132.48 590.348 population doubling time
a_b d 11.8411 11.7491 10.7357 10.7357 10.1903 10.1903 age at birth
t_p d 15212 8133.98 2427.74 2427.74 1676.67 1676.67 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 0.999999 0.605937 0.999999 0.509633 0.999999 0.454845 survival probability at puberty
theta_0b - 0.00135509 0.208474 0.0377804 0.298159 0.051736 0.34203 frac of ind that is embryo
theta_bp - 0.0013611 0.162965 0.0364957 0.211929 0.0492406 0.228969 fraction of individuals that is juvenile
theta_pi - 0.997284 0.628561 0.925724 0.489913 0.899023 0.429001 frac of ind that is adult
L_bi cm 3.95515 0.586501 0.917999 0.324874 0.837049 0.311962 mean structural length of post-natals
L2_bi cm^2 17.6825 1.49077 1.42732 0.365263 1.20732 0.328693 mean squared structural length of post-natals
L3_bi cm^3 83.1065 6.16361 3.07884 1.06186 2.47553 0.954177 mean cubed structural length of post-natals
Ww_bi g 112.245 8.4291 5.07485 1.75027 4.77541 1.84065 mean wet weight of post-natals
L_pi cm 3.96041 0.712992 0.950066 0.420964 0.876973 0.42215 mean structural length of adults
L2_pi cm^2 17.7066 1.87474 1.48315 0.518661 1.2728 0.498107 mean squared structural length of adults
L3_pi cm^3 83.2199 7.76137 3.20017 1.52073 2.61105 1.4628 mean cubed structural length of adults
Ww_pi g 112.398 10.6141 5.27485 2.50662 5.03682 2.8218 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.261861 0.0231438 0.0390837 0.0100019 0.0473758 0.0128981 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 0.283638 0.0866254 0.273392 0.0868604 yield of living structure on food
Y_VX_d mol/mol 0.0604826 0.117597 0.000348134 0.173297 0.000145247 0.170576 yield of dead structure on food
Y_EX mol/mol 0 0 0.183883 0.0561594 0.253993 0.0806971 yield of living reserve on food
Y_EX_d mol/mol 0.0212061 0.0432238 0.000225695 0.112349 0.000134941 0.158472 yield of dead reserve on food
Y_CX mol/mol 0.808936 0.729804 0.422531 0.462194 0.36296 0.394019 yield of CO2 on food
Y_HX mol/mol 0.581985 0.525054 0.303987 0.332523 0.261129 0.283475 yield of H2O on food
Y_OX mol/mol -0.879718 -0.793662 -0.459502 -0.502636 -0.394719 -0.428496 yield of O2 on food
Y_NX mol/mol 0.12134 0.109471 0.0633796 0.0693292 0.0544439 0.0591029 yield of N-waste on food
mu_TX J/mol 430595 389928 229248 249859 195961 212239 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