Acipenser nudiventris: 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 - 0.527722 0.543403 0.771701 0.771701 1 1 scaled functional response
r 1/d 0 0 0.00148143 0.000362183 0.00207757 0.000513993 spec pop growth rate
t2 d NaN NaN 467.891 1913.8 333.633 1348.55 population doubling time
a_b d 13.1356 13.075 12.3949 12.3949 11.9484 11.9484 age at birth
t_p d 33155.2 19308.8 7509.18 7509.18 5435.42 5435.42 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.545377 1 0.488555 1 0.450265 survival probability at puberty
theta_0b - 0.000750764 0.250681 0.0181212 0.306243 0.024418 0.337209 frac of ind that is embryo
theta_bp - 0.000754247 0.185956 0.017871 0.214078 0.0239231 0.225936 fraction of individuals that is juvenile
theta_pi - 0.998495 0.563363 0.964008 0.479679 0.951659 0.436855 frac of ind that is adult
L_bi cm 13.5093 1.24848 3.29287 0.675336 2.91596 0.638959 mean structural length of post-natals
L2_bi cm^2 203.065 10.3902 18.5548 2.26104 14.9704 1.91837 mean squared structural length of post-natals
L3_bi cm^3 3182.93 144.215 141.273 21.1171 106.948 17.2937 mean cubed structural length of post-natals
Ww_bi g 4828.43 220.987 248.075 37.0814 211.718 34.2353 mean wet weight of post-natals
L_pi cm 13.5194 1.60227 3.35048 0.895811 2.98449 0.873831 mean structural length of adults
L2_pi cm^2 203.218 13.8094 18.8981 3.25531 15.3458 2.89262 mean squared structural length of adults
L3_pi cm^3 3185.33 191.817 143.892 30.5388 109.636 26.2344 mean cubed structural length of adults
Ww_pi g 4832.08 293.928 252.673 53.6258 217.04 51.9346 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 6.58014 0.346689 0.879226 0.10714 0.919239 0.117795 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 0.238035 0.0713854 0.241713 0.0754601 yield of living structure on food
Y_VX_d mol/mol 0.043293 0.0892465 0.000360203 0.145673 0.000165761 0.150555 yield of dead structure on food
Y_EX mol/mol 0 0 0.179952 0.0539666 0.236792 0.0739238 yield of living reserve on food
Y_EX_d mol/mol 0.0223815 0.0475094 0.00027231 0.110127 0.000162386 0.14749 yield of dead reserve on food
Y_CX mol/mol 0.82495 0.753869 0.472006 0.509474 0.411793 0.443197 yield of CO2 on food
Y_HX mol/mol 0.593506 0.542367 0.339582 0.366538 0.296262 0.318855 yield of H2O on food
Y_OX mol/mol -0.897134 -0.819833 -0.513307 -0.554052 -0.447825 -0.481977 yield of O2 on food
Y_NX mol/mol 0.123743 0.11308 0.0708009 0.076421 0.0617689 0.0664795 yield of N-waste on food
mu_TX J/mol 438544 401747 254179 273720 221236 237715 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