Sepia apama: Population traits

at T = 21 °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: 2025/03/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.221662 0.221662 0.610831 0.610831 1 1 scaled functional response
r 1/d 0 0 0.00350951 NaN 0.00641171 NaN spec pop growth rate
t2 d NaN NaN 197.506 NaN 108.106 NaN population doubling time
a_b d 23.0906 23.0906 19.5164 NaN 18.1278 NaN age at birth
t_j d 212.417 212.417 85.3647 NaN 59.8219 NaN time since birth at metam
t_p d 3858.37 3858.37 684.055 NaN 448.134 NaN time since birth at puberty
S_b - 0.999997 0.999997 0.999998 NaN 0.999998 NaN survival probability at birth
S_j - 0.99998 0.618748 0.999989 NaN 0.999992 NaN survival probability at metam
S_p - 0.999634 0.012078 0.999941 NaN 0.99997 NaN survival probability at puberty
theta_0b - 0.00990985 0.317017 0.0690187 NaN 0.111606 NaN frac of ind that is embryo
theta_bj - 0.00992969 0.252276 0.0645198 NaN 0.0994734 NaN frac of ind between b and j
theta_jp - 0.0814029 0.401423 0.187781 NaN 0.189316 NaN frac of ind between j and p
theta_pi - 0.898758 0.0292834 0.678681 NaN 0.599605 NaN frac of ind that is adult
L_bi cm 6.65959 0.656326 5.12674 NaN 4.53629 NaN mean structural length of post-natals
L2_bi cm^2 53.0866 1.37985 44.4993 NaN 38.1878 NaN mean squared structural length of post-natals
L3_bi cm^3 451.432 8.29806 477.797 NaN 418.658 NaN mean cubed structural length of post-natals
Ww_bi g 517.516 9.51279 670.539 NaN 695.143 NaN mean wet weight of post-natals
L_pi cm 7.2574 4.37326 6.75021 NaN 6.35789 NaN mean structural length of adults
L2_pi cm^2 58.4093 26.1254 60.7876 NaN 56.2548 NaN mean squared structural length of adults
L3_pi cm^3 497.233 189.597 655.157 NaN 619.963 NaN mean cubed structural length of adults
Ww_pi g 570.022 217.351 919.446 NaN 1029.39 NaN mean wet weight of adults
R 1/d 0 0 0.0881072 NaN 0.163006 NaN mean reproduction rate of adults
J_X g/d 3.18996 0.0741775 7.49915 NaN 10.5682 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 0 0.223603 NaN 0.254 NaN yield of living structure on food
Y_VX_d mol/mol 0.132698 0.239688 0.0982422 NaN 0.0779929 NaN yield of dead structure on food
Y_EX mol/mol 0 0 0.0902009 NaN 0.167744 NaN yield of living reserve on food
Y_EX_d mol/mol 0.0194253 0.0350873 0.0396307 NaN 0.0515071 NaN yield of dead reserve on food
Y_CX mol/mol 0.738502 0.61585 0.438948 NaN 0.339381 NaN yield of CO2 on food
Y_HX mol/mol 0.530901 0.442728 0.315555 NaN 0.243978 NaN yield of H2O on food
Y_OX mol/mol -0.80312 -0.669737 -0.477356 NaN -0.369077 NaN yield of O2 on food
Y_NX mol/mol 0.110775 0.0923775 0.0658422 NaN 0.0509072 NaN yield of N-waste on food
mu_TX J/mol 395467 333358 240170 NaN 185916 NaN 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