Acipenser medirostris: 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_min f_max date: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.566618 0.566618 0.568761 0.568761 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.002345 0.002345 0.000628333 0.000628333 spec pop growth rate
t2 d NaN NaN NaN NaN 295.585 295.585 1103.15 1103.15 population doubling time
a_b d 24.5145 24.8341 24.5023 24.8213 22.9225 23.1585 22.9225 23.1585 age at birth
t_p d 38465.9 7.06644e+22 20712.9 7.06644e+22 4229.9 4684.29 4229.9 4684.29 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.438274 0.451753 1 1 0.371531 0.381454 survival probability at puberty
theta_0b - 0.000913977 0.000958316 0.312816 0.301046 0.0522215 0.0527485 0.40681 0.39896 frac of ind that is embryo
theta_bp - 0.000916302 0.000960687 0.207523 0.202747 0.0496019 0.0500711 0.245184 0.243579 fraction of individuals that is juvenile
theta_pi - 0.99817 0.998081 0.479662 0.496206 0.898177 0.89718 0.348007 0.357461 frac of ind that is adult
L_bi cm 14.3048 13.0021 2.18843 2.15269 2.56076 2.44937 0.787943 0.781359 mean structural length of post-natals
L2_bi cm^2 217.892 179.929 22.747 20.5269 11.2391 10.2128 2.16515 2.07376 mean squared structural length of post-natals
L3_bi cm^3 3397.79 2548.76 326.524 267.831 68.5975 59.0111 15.9757 14.4686 mean cubed structural length of post-natals
Ww_bi g 9315.76 6579.81 897.387 693.027 279.457 223.726 65.083 54.854 mean wet weight of post-natals
L_pi cm 14.3177 13.0144 3.02234 2.9264 2.68661 2.57048 1.15216 1.13025 mean structural length of adults
L2_pi cm^2 218.092 180.102 32.5584 28.8863 11.8553 10.7784 3.63777 3.43645 mean squared structural length of adults
L3_pi cm^3 3400.91 2551.21 467.785 377.258 72.3845 62.3031 27.2163 24.3136 mean cubed structural length of adults
Ww_pi g 9324.31 6586.15 1285.61 976.175 294.885 236.207 110.876 92.179 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 16.0276 12.0182 1.67954 1.37627 1.45904 1.20391 0.281076 0.24446 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.110251 0.114942 0.035713 0.0371884 yield of living structure on food
Y_VX_d mol/mol 0.010326 0.0106743 0.02477 0.0256231 9.23532e-06 1.0603e-05 0.069469 0.0722281 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.338898 0.320833 0.109777 0.103802 yield of living reserve on food
Y_EX_d mol/mol 0.017985 0.0168822 0.0433054 0.0406781 2.83882e-05 2.95956e-05 0.213539 0.201607 yield of dead reserve on food
Y_CX mol/mol 0.862314 0.863069 0.82255 0.824324 0.441438 0.454809 0.462127 0.475799 yield of CO2 on food
Y_HX mol/mol 0.620387 0.62093 0.591779 0.593055 0.31759 0.32721 0.332475 0.342311 yield of H2O on food
Y_OX mol/mol -0.937766 -0.938587 -0.894523 -0.896452 -0.480063 -0.494605 -0.502563 -0.517432 yield of O2 on food
Y_NX mol/mol 0.129347 0.12946 0.123382 0.123649 0.0662156 0.0682214 0.0693191 0.0713699 yield of N-waste on food
mu_TX J/mol 457445 457878 436297 437316 230960 238549 242085 249817 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer