Alosa aestivalis: Population traits

at T = 17 °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_min f_max date: 2023/09/03
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.614683 0.614683 0.659937 0.659937 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00890035 0.00890035 0.00181751 0.00181751 spec pop growth rate
t2 d NaN NaN NaN NaN 77.8786 77.8786 381.372 381.372 population doubling time
a_b d 15.8444 15.9812 15.6807 15.8137 14.8177 14.928 14.8177 14.928 age at birth
t_j d 35.9942 37.5256 34.2411 35.6584 26.2815 27.1901 26.2815 27.1901 time since birth at metam
t_p d 3595.53 NaN 2303.31 3140.83 1048.45 1125.64 1048.45 1125.64 time since birth at puberty
S_b - 0.999995 0.999994 0.999995 0.999994 0.999996 0.999995 0.999996 0.999995 survival probability at birth
S_j - 0.999974 0.999972 0.279067 0.290804 0.99998 0.999978 0.206528 0.215387 survival probability at metam
S_p - 0.999937 0.999928 0.0616067 0.0617259 0.999964 0.99996 0.0609543 0.0610269 survival probability at puberty
theta_0b - 0.00711385 0.00732272 0.523397 0.514826 0.123555 0.12442 0.595121 0.58878 frac of ind that is embryo
theta_bj - 0.00712046 0.00732961 0.295916 0.295885 0.108366 0.109017 0.292635 0.294041 frac of ind between b and j
theta_jp - 0.00905498 0.00988081 0.0892595 0.095574 0.0745614 0.079322 0.0523505 0.0563761 frac of ind between j and p
theta_pi - 0.976711 0.975467 0.0914279 0.0937154 0.693518 0.687241 0.0598942 0.0608027 frac of ind that is adult
L_bi cm 1.95844 1.84623 0.210198 0.208045 0.568418 0.54868 0.140517 0.139839 mean structural length of post-natals
L2_bi cm^2 4.33042 3.84875 0.229455 0.215544 0.55828 0.518234 0.0779457 0.0752804 mean squared structural length of post-natals
L3_bi cm^3 10.046 8.41857 0.475116 0.420631 0.742845 0.661995 0.132729 0.122426 mean cubed structural length of post-natals
Ww_bi g 21.387 17.3881 1.05096 0.901784 2.10711 1.80944 0.376493 0.334628 mean wet weight of post-natals
L_pi cm 1.98922 1.87704 0.750053 0.734422 0.692283 0.671993 0.477802 0.473554 mean structural length of adults
L2_pi cm^2 4.40196 3.91646 1.16598 1.08603 0.702773 0.657392 0.485792 0.468026 mean squared structural length of adults
L3_pi cm^3 10.2124 8.56708 2.47391 2.17487 0.93847 0.843092 0.893404 0.824154 mean cubed structural length of adults
Ww_pi g 21.7411 17.6948 5.47231 4.66265 2.66201 2.30444 2.53418 2.25267 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 0.243153 0.203816 0.0137063 0.0121363 0.0511667 0.0448038 0.00692978 0.00630713 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 0.129216 0.131506 0.0348116 0.035279 yield of living structure on food
Y_VX_d mol/mol 0.0306714 0.0313083 0.0614777 0.062814 0.000419347 0.000451985 0.0799476 0.0815299 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.237312 0.227942 0.0639331 0.0611497 yield of living reserve on food
Y_EX_d mol/mol 0.0346248 0.0333572 0.0745113 0.0718518 0.000770151 0.000783433 0.146827 0.141317 yield of dead reserve on food
Y_CX mol/mol 0.825329 0.82596 0.754636 0.755959 0.522907 0.529941 0.565105 0.571349 yield of CO2 on food
Y_HX mol/mol 0.593778 0.594232 0.542919 0.543871 0.376203 0.381263 0.406562 0.411054 yield of H2O on food
Y_OX mol/mol -0.897545 -0.898231 -0.820667 -0.822106 -0.568662 -0.576311 -0.614552 -0.621342 yield of O2 on food
Y_NX mol/mol 0.123799 0.123894 0.113195 0.113394 0.0784361 0.0794911 0.0847658 0.0857024 yield of N-waste on food
mu_TX J/mol 438121 438499 400780 401575 276737 280722 299202 302739 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