Alosa kessleri: 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_min f_max date: 2025/04/18
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.503645 0.503645 0.509439 0.509439 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00807946 0.00807946 0.00229273 0.00229273 spec pop growth rate
t2 d NaN NaN NaN NaN 85.7913 85.7913 302.323 302.323 population doubling time
a_b d 17.7954 17.8698 17.7821 17.8558 17.1764 17.219 17.1764 17.219 age at birth
t_j d 8.58489 8.74275 8.55683 8.71283 7.37228 7.45019 7.37228 7.45019 time since birth at metam
t_p d 4654.99 NaN 4133.08 NaN 1238.72 1292.41 1238.72 1292.41 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_j - 0.999999 0.999999 0.330031 0.330384 0.999999 0.999999 0.327436 0.327602 survival probability at metam
S_p - 0.999998 0.999998 0.169542 0.172437 0.999999 0.999999 0.147003 0.148516 survival probability at puberty
theta_0b - 0.00476497 0.00490726 0.542459 0.536124 0.129526 0.129828 0.631684 0.629555 frac of ind that is embryo
theta_bj - 0.00230019 0.00240234 0.157858 0.158269 0.0503391 0.0508378 0.159121 0.159874 frac of ind between b and j
theta_jp - 0.00246781 0.00250793 0.0665531 0.0655049 0.0624635 0.0621868 0.075512 0.0751843 frac of ind between j and p
theta_pi - 0.990467 0.990182 0.23313 0.240103 0.757672 0.757147 0.133683 0.135387 frac of ind that is adult
L_bi cm 1.49636 1.411 0.346284 0.344163 0.429965 0.423524 0.147936 0.147844 mean structural length of post-natals
L2_bi cm^2 2.3963 2.12765 0.388076 0.367226 0.304122 0.293456 0.0669369 0.0661344 mean squared structural length of post-natals
L3_bi cm^3 3.93947 3.29186 0.586411 0.523267 0.29179 0.274721 0.0734263 0.0706605 mean cubed structural length of post-natals
Ww_bi g 76.5795 60.3447 11.5237 9.69659 10.9746 9.72845 2.76165 2.50224 mean wet weight of post-natals
L_pi cm 1.50322 1.41765 0.618838 0.606276 0.483059 0.475837 0.293809 0.292212 mean structural length of adults
L2_pi cm^2 2.40781 2.13818 0.757631 0.705629 0.348559 0.336426 0.176648 0.173304 mean squared structural length of adults
L3_pi cm^3 3.95843 3.30818 1.15061 1.01068 0.335165 0.315663 0.20174 0.192791 mean cubed structural length of adults
Ww_pi g 76.9481 60.6439 22.6109 18.7288 12.6059 11.1783 7.58768 6.82714 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 0.72933 0.60845 0.119422 0.106178 0.184262 0.167091 0.0404156 0.0375249 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 0.0127943 0.0132837 0.0041654 0.00431729 yield of living structure on food
Y_VX_d mol/mol 0.00195099 0.00199274 0.00455477 0.00467137 5.76537e-06 6.36777e-06 0.00817996 0.00847805 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.468415 0.457121 0.1525 0.148567 yield of living reserve on food
Y_EX_d mol/mol 0.0359744 0.0345371 0.0849518 0.0818932 0.000211077 0.000219129 0.299478 0.291748 yield of dead reserve on food
Y_CX mol/mol 0.8527 0.854095 0.801118 0.80406 0.409199 0.419994 0.426301 0.437515 yield of CO2 on food
Y_HX mol/mol 0.61347 0.614474 0.57636 0.578477 0.294396 0.302163 0.3067 0.314768 yield of H2O on food
Y_OX mol/mol -0.927311 -0.928828 -0.871216 -0.874416 -0.445003 -0.456744 -0.463602 -0.475797 yield of O2 on food
Y_NX mol/mol 0.127905 0.128114 0.120168 0.120609 0.0613798 0.0629991 0.0639451 0.0656272 yield of N-waste on food
mu_TX J/mol 451739 452508 423499 425123 208355 214318 217739 223929 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