Alosa fallax: 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: 2024/07/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.358488 0.358488 0.358488 0.358488 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00863175 0.00863175 0.00224282 0.00224282 spec pop growth rate
t2 d NaN NaN NaN NaN 80.3021 80.3021 309.051 309.051 population doubling time
a_b d 24.078 24.2348 24.078 24.2348 22.5755 22.6468 22.5755 22.6468 age at birth
t_j d 13.254 13.6451 13.254 13.6451 10.0138 10.1487 10.0138 10.1487 time since birth at metam
t_p d 4301.09 NaN 4301.09 NaN 990.625 1025.25 990.625 1025.25 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_j - 1 1 0.324296 0.32492 1 1 0.319388 0.319582 survival probability at metam
S_p - 1 1 0.190772 0.195812 1 1 0.146815 0.148726 survival probability at puberty
theta_0b - 0.00235269 0.00243195 0.444697 0.431033 0.176979 0.177489 0.637395 0.63484 frac of ind that is embryo
theta_bj - 0.00129595 0.00137019 0.146983 0.145833 0.0681517 0.0689873 0.162966 0.163983 frac of ind between b and j
theta_jp - 0.00105835 0.00106338 0.0497178 0.0475024 0.0775688 0.0770591 0.0723147 0.0718907 frac of ind between j and p
theta_pi - 0.995293 0.995134 0.358602 0.375631 0.6773 0.676465 0.127324 0.129286 frac of ind that is adult
L_bi cm 1.54068 1.43307 0.665063 0.650578 0.428449 0.421507 0.18059 0.180305 mean structural length of post-natals
L2_bi cm^2 2.43846 2.10833 0.902441 0.825672 0.300696 0.289406 0.0906507 0.0893542 mean squared structural length of post-natals
L3_bi cm^3 3.8981 3.13224 1.39 1.18291 0.291781 0.273656 0.109716 0.105134 mean cubed structural length of post-natals
Ww_bi g 25.3809 19.1775 9.05043 7.24253 4.77738 4.18407 1.7964 1.60746 mean wet weight of post-natals
L_pi cm 1.54412 1.43636 0.985695 0.9442 0.500103 0.492002 0.357974 0.355314 mean structural length of adults
L2_pi cm^2 2.44421 2.11346 1.39376 1.24723 0.363334 0.349844 0.244235 0.238706 mean squared structural length of adults
L3_pi cm^3 3.90732 3.1399 2.15213 1.79146 0.354342 0.332525 0.311149 0.295666 mean cubed structural length of adults
Ww_pi g 25.4409 19.2244 14.0127 10.9684 5.8017 5.08415 5.09449 4.5206 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 0.223133 0.17921 0.0825556 0.0701625 0.0771266 0.0689835 0.023145 0.0212003 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 0.0326551 0.0342419 0.0106318 0.0111224 yield of living structure on food
Y_VX_d mol/mol 0.00191309 0.00196107 0.00516123 0.00529446 4.42355e-07 4.99026e-07 0.0205753 0.0215043 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.502013 0.489302 0.163445 0.158934 yield of living reserve on food
Y_EX_d mol/mol 0.0105432 0.0100458 0.028444 0.0271216 6.8004e-06 7.13086e-06 0.316308 0.307286 yield of dead reserve on food
Y_CX mol/mol 0.878169 0.878618 0.85702 0.858209 0.35595 0.367074 0.379665 0.391778 yield of CO2 on food
Y_HX mol/mol 0.631794 0.632117 0.616578 0.617434 0.256086 0.264089 0.273148 0.281862 yield of H2O on food
Y_OX mol/mol -0.955008 -0.955497 -0.932009 -0.933302 -0.387095 -0.399193 -0.412885 -0.426058 yield of O2 on food
Y_NX mol/mol 0.131725 0.131793 0.128553 0.128731 0.0533924 0.0550611 0.0569497 0.0587667 yield of N-waste on food
mu_TX J/mol 465745 465994 454275 454936 180061 186259 193032 199765 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