Alosa saposchnikowii: Population traits

at T = 15 °C with background hazards for embryo, larva, juv, adult: 0, 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 abj f_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.501398 0.518836 0.759418 0.759418 1 1 scaled functional response
r 1/d 0 0 0.00381172 0.00108361 0.00478839 0.00134595 spec pop growth rate
t2 d NaN NaN 181.846 639.665 144.756 514.989 population doubling time
a_b d 38.0765 37.9813 37.0746 37.0746 36.5707 36.5707 age at birth
t_j d 0.00245801 0.00243187 0.00219494 0.00219494 0.00207289 0.00207289 time since birth at metam
t_p d 6298.55 3940.94 1762.5 1762.5 1419.29 1419.29 time since birth at puberty
S_b - 0.999998 0.999998 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999998 0.999857 0.999998 0.999856 0.999998 0.999855 survival probability at metam
S_p - 0.999991 0.338744 0.999992 0.31204 0.999992 0.297689 survival probability at puberty
theta_0b - 0.00879049 0.357355 0.131807 0.467136 0.160629 0.490326 frac of ind that is embryo
theta_bj - 5.67722e-07 2.28894e-05 7.268e-06 2.71142e-05 8.33398e-06 2.71233e-05 frac of ind between b and j
theta_jp - 0.00879386 0.207216 0.114476 0.250915 0.134869 0.255334 frac of ind between j and p
theta_pi - 0.982415 0.435406 0.75371 0.281921 0.704494 0.254313 frac of ind that is adult
L_bi cm 1.43639 0.593232 0.586382 0.329304 0.543931 0.312023 mean structural length of post-natals
L2_bi cm^2 2.22508 0.689941 0.501575 0.229368 0.444133 0.207364 mean squared structural length of post-natals
L3_bi cm^3 3.55878 1.02094 0.547169 0.281057 0.479154 0.261257 mean cubed structural length of post-natals
Ww_bi g 22.6188 6.67902 4.98573 2.56095 5.59733 3.05192 mean wet weight of post-natals
L_pi cm 1.44797 0.811039 0.65337 0.499482 0.619845 0.48513 mean structural length of adults
L2_pi cm^2 2.24482 1.00936 0.574465 0.416066 0.524882 0.395401 mean squared structural length of adults
L3_pi cm^3 3.59061 1.50559 0.629776 0.528679 0.570223 0.520597 mean cubed structural length of adults
Ww_pi g 22.8211 9.84965 5.73844 4.81725 6.66116 6.08145 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.141556 0.0454193 0.0483298 0.022101 0.0563523 0.0263107 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 0.0431546 0.0137802 0.0407149 0.0133648 yield of living structure on food
Y_VX_d mol/mol 0.00831191 0.0179733 0.000121638 0.0268661 6.17524e-05 0.0253694 yield of dead structure on food
Y_EX mol/mol 0 0 0.350065 0.111783 0.434904 0.142759 yield of living reserve on food
Y_EX_d mol/mol 0.0445168 0.0996086 0.00098671 0.217934 0.00065962 0.270988 yield of dead reserve on food
Y_CX mol/mol 0.837796 0.773043 0.496297 0.520262 0.414285 0.438144 yield of CO2 on food
Y_HX mol/mol 0.602748 0.556162 0.357058 0.374299 0.298055 0.315221 yield of H2O on food
Y_OX mol/mol -0.911103 -0.840684 -0.539723 -0.565784 -0.450535 -0.476482 yield of O2 on food
Y_NX mol/mol 0.125669 0.115956 0.0744446 0.0780392 0.0621427 0.0657217 yield of N-waste on food
mu_TX J/mol 443860 408729 257784 270832 212552 225572 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