Clupea harengus: Population traits

at T = 11 °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: 2023/03/18
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.586807 0.604958 0.802479 0.802479 1 1 scaled functional response
r 1/d 0 0 0.0039362 0.000570557 0.0057921 0.000863043 spec pop growth rate
t2 d NaN NaN 176.095 1214.86 119.671 803.144 population doubling time
a_b d 22.9721 22.8549 21.7911 21.7911 20.9953 20.9953 age at birth
t_j d 259.247 250.965 187.778 187.778 151.739 151.739 time since birth at metam
t_p d 6457.54 4600.72 1882.62 1882.62 1317.14 1317.14 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 0.999999 0.676563 0.999999 0.605942 0.999999 0.54912 survival probability at metam
S_p - 0.999964 0.0136974 0.999982 0.0133402 0.999988 0.0131372 survival probability at puberty
theta_0b - 0.00248094 0.26614 0.0820715 0.334489 0.114357 0.378493 frac of ind that is embryo
theta_bj - 0.0024866 0.220796 0.0754569 0.26046 0.101412 0.280265 frac of ind between b and j
theta_jp - 0.025575 0.452507 0.404161 0.38041 0.416483 0.321017 frac of ind between j and p
theta_pi - 0.969458 0.060556 0.43831 0.0246405 0.367748 0.0202255 frac of ind that is adult
L_bi cm 4.70513 0.566622 1.24905 0.367016 1.09045 0.352511 mean structural length of post-natals
L2_bi cm^2 23.4862 1.46219 2.89041 0.428667 2.31233 0.367246 mean squared structural length of post-natals
L3_bi cm^3 119.485 6.88483 9.07042 1.70917 7.00629 1.49315 mean cubed structural length of post-natals
Ww_bi g 137.275 7.94159 10.9172 2.05717 8.78394 1.87199 mean wet weight of post-natals
L_pi cm 4.8284 3.66108 2.16473 2.45861 2.05322 2.31796 mean structural length of adults
L2_pi cm^2 24.1593 16.6796 5.83371 9.17752 5.29298 8.54552 mean squared structural length of adults
L3_pi cm^3 122.94 83.042 18.873 45.2627 16.7201 44.8559 mean cubed structural length of adults
Ww_pi g 141.244 95.7881 22.7156 54.4785 20.9623 56.2368 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.856039 0.0532338 0.143723 0.0190851 0.143297 0.0200066 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 0.248415 0.0510965 0.283197 0.0644111 yield of living structure on food
Y_VX_d mol/mol 0.0188029 0.0528712 7.28473e-05 0.127413 3.26351e-05 0.154963 yield of dead structure on food
Y_EX mol/mol 0 0 0.0505787 0.0104035 0.0718531 0.0163425 yield of living reserve on food
Y_EX_d mol/mol 0.00279949 0.00811524 1.48321e-05 0.0259421 8.28021e-06 0.0393173 yield of dead reserve on food
Y_CX mol/mol 0.869023 0.829639 0.591544 0.67577 0.535534 0.615592 yield of CO2 on food
Y_HX mol/mol 0.625213 0.596879 0.425583 0.486179 0.385287 0.442884 yield of H2O on food
Y_OX mol/mol -0.945062 -0.902232 -0.643304 -0.734899 -0.582393 -0.669456 yield of O2 on food
Y_NX mol/mol 0.130353 0.124446 0.0887316 0.101365 0.0803301 0.0923387 yield of N-waste on food
mu_TX J/mol 461559 441601 320430 363255 291361 332200 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