Alosa killarnensis: Population traits

at T = 10.8 °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: 2025/04/19
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.524613 0.834906 0.917453 0.917453 1 1 scaled functional response
r 1/d 0 0 0.00431694 9.98808e-05 0.00608932 0.00027013 spec pop growth rate
t2 d NaN NaN 160.565 6939.75 113.83 2565.97 population doubling time
a_b d 72.7576 67.4034 66.3986 66.3986 65.5065 65.5065 age at birth
t_j d 638.574 381.714 348.8 348.8 322.335 322.335 time since birth at metam
t_p d 4402.07 1436.53 1267.28 1267.28 1141.05 1141.05 time since birth at puberty
S_b - 0.999892 0.999913 0.999917 0.999917 0.99992 0.99992 survival probability at birth
S_j - 0.999344 0.439245 0.999543 0.410703 0.999567 0.38574 survival probability at metam
S_p - 0.98678 0.00946168 0.996543 0.00931864 0.997077 0.00920354 survival probability at puberty
theta_0b - 0.0240924 0.444338 0.249655 0.467386 0.329161 0.489563 frac of ind that is embryo
theta_bj - 0.024113 0.303107 0.187517 0.307842 0.220969 0.310791 frac of ind between b and j
theta_jp - 0.186406 0.232256 0.397451 0.207436 0.356057 0.185413 frac of ind between j and p
theta_pi - 0.765388 0.0202993 0.165377 0.017336 0.0938128 0.0142327 frac of ind that is adult
L_bi cm 1.20871 0.25427 0.479813 0.248947 0.380595 0.240656 mean structural length of post-natals
L2_bi cm^2 1.76041 0.165491 0.432106 0.158323 0.264983 0.140706 mean squared structural length of post-natals
L3_bi cm^3 2.73779 0.28606 0.580987 0.286226 0.297641 0.25161 mean cubed structural length of post-natals
Ww_bi g 3.48526 0.410354 0.858387 0.422889 0.45254 0.382554 mean wet weight of post-natals
L_pi cm 1.45229 1.65809 1.19993 1.67952 1.11071 1.64696 mean structural length of adults
L2_pi cm^2 2.2106 3.31394 1.6315 3.49727 1.38072 3.45266 mean squared structural length of adults
L3_pi cm^3 3.47603 7.49769 2.50385 8.42021 1.93046 8.58994 mean cubed structural length of adults
Ww_pi g 4.42505 10.7555 3.69934 12.4406 2.93512 13.0603 mean wet weight of adults
R 1/d 0 0.624188 0 0.8195 0 0.897763 mean reproduction rate of adults
J_X g/d 0.0247792 0.00326655 0.0104368 0.00341878 0.00664442 0.00324014 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 0.240312 0.0083622 0.272775 0.0209767 yield of living structure on food
Y_VX_d mol/mol 0.0681477 0.149402 0.00307336 0.1511 0.00152344 0.156398 yield of dead structure on food
Y_EX mol/mol 0 0 0.11474 0.00399265 0.141958 0.0109168 yield of living reserve on food
Y_EX_d mol/mol 0.0186058 0.0649157 0.00146742 0.0721447 0.000792833 0.0813933 yield of dead reserve on food
Y_CX mol/mol 0.803871 0.676308 0.531032 0.655026 0.473576 0.62094 yield of CO2 on food
Y_HX mol/mol 0.578341 0.486566 0.382048 0.471254 0.340711 0.446732 yield of H2O on food
Y_OX mol/mol -0.87421 -0.735484 -0.577498 -0.71234 -0.515014 -0.675272 yield of O2 on food
Y_NX mol/mol 0.120581 0.101446 0.0796549 0.0982538 0.0710364 0.093141 yield of N-waste on food
mu_TX J/mol 428193 362095 286893 350893 256838 333042 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