Sepietta obscura: Population traits

at T = 17 °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: 2025/03/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.176557 0.176557 0.588279 0.588279 1 1 scaled functional response
r 1/d 0 0 0.0123566 NaN 0.0170037 NaN spec pop growth rate
t2 d NaN NaN 56.0952 NaN 40.7646 NaN population doubling time
a_b d 41.8109 41.8109 35.0499 NaN 33.0659 NaN age at birth
t_j d 523.649 523.649 106.316 NaN 76.7206 NaN time since birth at metam
t_p d 1507.34 1507.34 183.931 NaN 130.39 NaN time since birth at puberty
S_b - 0.99863 0.99863 0.999184 NaN 0.999307 NaN survival probability at birth
S_j - 0.989703 0.753274 0.995735 NaN 0.996781 NaN survival probability at metam
S_p - 0.431677 0.0141381 0.984782 NaN 0.992306 NaN survival probability at puberty
theta_0b - 0.0790776 0.235295 0.359663 NaN 0.437013 NaN frac of ind that is embryo
theta_bj - 0.0787971 0.205224 0.232851 NaN 0.24874 NaN frac of ind between b and j
theta_jp - 0.673976 0.547561 0.249869 NaN 0.172128 NaN frac of ind between j and p
theta_pi - 0.16815 0.01192 0.157617 NaN 0.142119 NaN frac of ind that is adult
L_bi cm 0.221183 0.145551 0.335479 NaN 0.358465 NaN mean structural length of post-natals
L2_bi cm^2 0.0586627 0.0235464 0.182034 NaN 0.218068 NaN mean squared structural length of post-natals
L3_bi cm^3 0.0180541 0.00443524 0.13554 NaN 0.186481 NaN mean cubed structural length of post-natals
Ww_bi g 0.0240779 0.00591506 0.286221 NaN 0.538884 NaN mean wet weight of post-natals
L_pi cm 0.393261 0.387747 0.736954 NaN 0.800923 NaN mean structural length of adults
L2_pi cm^2 0.155714 0.151422 0.589602 NaN 0.711339 NaN mean squared structural length of adults
L3_pi cm^3 0.062065 0.0595481 0.509174 NaN 0.695167 NaN mean cubed structural length of adults
Ww_pi g 0.0827731 0.0794164 1.07523 NaN 2.00886 NaN mean wet weight of adults
R 1/d 0 0 0.340916 NaN 0.435181 NaN mean reproduction rate of adults
J_X g/d 0.000767634 0.000203829 0.011369 NaN 0.0239695 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 0.147315 NaN 0.132287 NaN yield of living structure on food
Y_VX_d mol/mol 0.09845 0.168518 0.0488703 NaN 0.0495684 NaN yield of dead structure on food
Y_EX mol/mol 0 0 0.163771 NaN 0.249991 NaN yield of living reserve on food
Y_EX_d mol/mol 0.0328479 0.056226 0.0543294 NaN 0.0936724 NaN yield of dead reserve on food
Y_CX mol/mol 0.759327 0.665881 0.476339 NaN 0.365106 NaN yield of CO2 on food
Y_HX mol/mol 0.545872 0.478695 0.342435 NaN 0.262471 NaN yield of H2O on food
Y_OX mol/mol -0.825768 -0.724146 -0.518018 NaN -0.397053 NaN yield of O2 on food
Y_NX mol/mol 0.113899 0.0998822 0.0714508 NaN 0.0547659 NaN yield of N-waste on food
mu_TX J/mol 405209 357317 254452 NaN 192557 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