Hexagrammos octogrammus: Population traits

at T = 4 °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: 2025/03/12
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.353819 0.353819 0.381239 0.381239 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00251305 0.00251305 0.00038724 0.00038724 spec pop growth rate
t2 d NaN NaN NaN NaN 275.819 275.819 1789.97 1789.97 population doubling time
a_b d 119.443 119.687 117.95 118.19 101.26 101.437 101.26 101.437 age at birth
t_j d 498.852 504.538 465.509 470.709 215.765 217.534 215.765 217.534 time since birth at metam
t_p d 17541 19983.5 11850.9 12397.8 2887.57 2918.33 2887.57 2918.33 time since birth at puberty
S_b - 0.999995 0.999995 0.999995 0.999995 0.999997 0.999996 0.999997 0.999996 survival probability at birth
S_j - 0.999971 0.99997 0.491877 0.495104 0.999984 0.999983 0.265599 0.267887 survival probability at metam
S_p - 0.999825 0.999819 0.060792 0.0608232 0.999964 0.999963 0.059313 0.059323 survival probability at puberty
theta_0b - 0.00679723 0.00683755 0.374177 0.371929 0.224564 0.224907 0.560795 0.559289 frac of ind that is embryo
theta_bj - 0.00680743 0.00684787 0.268352 0.267514 0.174242 0.174431 0.300219 0.300398 frac of ind between b and j
theta_jp - 0.021622 0.0220174 0.227663 0.230096 0.150352 0.15202 0.0809712 0.0821519 frac of ind between j and p
theta_pi - 0.964773 0.964297 0.129809 0.130462 0.450842 0.448642 0.0580153 0.058161 frac of ind that is adult
L_bi cm 2.05129 2.02516 0.366821 0.365595 0.526266 0.522331 0.237723 0.237417 mean structural length of post-natals
L2_bi cm^2 4.69463 4.57651 0.467021 0.459975 0.479908 0.472208 0.171835 0.170538 mean squared structural length of post-natals
L3_bi cm^3 11.2186 10.7996 1.01388 0.985694 0.630198 0.614702 0.386637 0.380045 mean cubed structural length of post-natals
Ww_bi g 14.5736 13.9905 1.34059 1.2995 1.16286 1.12802 0.713435 0.697411 mean wet weight of post-natals
L_pi cm 2.10615 2.08011 1.17651 1.16918 0.773395 0.769281 0.783758 0.782084 mean structural length of adults
L2_pi cm^2 4.83184 4.71235 2.15405 2.1171 0.799492 0.789615 1.13386 1.12507 mean squared structural length of adults
L3_pi cm^3 11.5489 11.1227 4.87084 4.72817 1.07846 1.05647 2.8976 2.8503 mean cubed structural length of adults
Ww_pi g 15.0027 14.409 6.44039 6.23345 1.99001 1.93871 5.34674 5.23051 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 0.0203456 0.0195917 0.00214602 0.00208735 0.00588061 0.00571524 0.00201503 0.00197487 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 0.269312 0.27029 0.0743023 0.0745207 yield of living structure on food
Y_VX_d mol/mol 0.0496556 0.0498663 0.105244 0.10567 0.000130175 0.000132236 0.15983 0.160406 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.227631 0.225713 0.0628025 0.0622303 yield of living reserve on food
Y_EX_d mol/mol 0.0148499 0.0147338 0.0339132 0.0336415 0.000110028 0.000110427 0.135093 0.133951 yield of dead reserve on food
Y_CX mol/mol 0.82612 0.826025 0.751468 0.751313 0.393442 0.394379 0.458597 0.459517 yield of CO2 on food
Y_HX mol/mol 0.594347 0.594279 0.54064 0.540528 0.28306 0.283734 0.329935 0.330597 yield of H2O on food
Y_OX mol/mol -0.898405 -0.898302 -0.817222 -0.817053 -0.427868 -0.428887 -0.498725 -0.499725 yield of O2 on food
Y_NX mol/mol 0.123918 0.123904 0.11272 0.112697 0.0590163 0.0591569 0.0687896 0.0689275 yield of N-waste on food
mu_TX J/mol 439505 439463 401226 401162 212522 213086 246591 247137 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