Octopus tehuelchus: Population traits

at T = 16 °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: 2025/03/24
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - NaN NaN NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00190822 0.00190822 0.000119841 0.000119841 spec pop growth rate
t2 d NaN NaN NaN NaN 363.243 363.243 5783.91 5783.91 population doubling time
a_b d NaN NaN NaN NaN 33.6281 33.9695 33.6281 33.9695 age at birth
t_j d NaN NaN NaN NaN 88.2461 92.7078 88.2461 92.7078 time since birth at metam
t_p d NaN NaN NaN NaN 166.576 175.35 166.576 175.35 time since birth at puberty
S_b - NaN NaN NaN NaN 1 1 1 1 survival probability at birth
S_j - NaN NaN NaN NaN 1 1 0.159943 0.171984 survival probability at metam
S_p - NaN NaN NaN NaN 1 1 0.00814825 0.00819468 survival probability at puberty
theta_0b - NaN NaN NaN NaN 0.0898548 0.0937834 0.644291 0.635062 frac of ind that is embryo
theta_bj - NaN NaN NaN NaN 0.084298 0.0879272 0.294371 0.297774 frac of ind between b and j
theta_jp - NaN NaN NaN NaN 0.125895 0.139217 0.0529558 0.0586343 frac of ind between j and p
theta_pi - NaN NaN NaN NaN 0.699953 0.679072 0.0083819 0.00853012 frac of ind that is adult
L_bi cm NaN NaN NaN NaN 1.75045 1.57064 0.188644 0.1868 mean structural length of post-natals
L2_bi cm^2 NaN NaN NaN NaN 4.45192 3.58506 0.0907564 0.0828208 mean squared structural length of post-natals
L3_bi cm^3 NaN NaN NaN NaN 12.9482 9.36082 0.157523 0.125546 mean cubed structural length of post-natals
Ww_bi g NaN NaN NaN NaN 33.7688 23.0287 0.410819 0.308858 mean wet weight of post-natals
L_pi cm NaN NaN NaN NaN 2.1959 2.00694 1.38199 1.31903 mean structural length of adults
L2_pi cm^2 NaN NaN NaN NaN 5.76288 4.75552 2.6371 2.32124 mean squared structural length of adults
L3_pi cm^3 NaN NaN NaN NaN 16.8268 12.4813 6.41656 5.10152 mean cubed structural length of adults
Ww_pi g NaN NaN NaN NaN 43.8841 30.7054 16.7344 12.5503 mean wet weight of adults
R 1/d NaN NaN NaN NaN 1.40836 1.12463 0.595027 0.508504 mean reproduction rate of adults
J_X g/d NaN NaN NaN NaN 0.529838 0.386509 0.00878181 0.00710667 mean ingestion rate of wet food by post-natals
Y_PX mol/mol NaN NaN NaN NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol NaN NaN NaN NaN 0.046633 0.0462149 0.00214963 0.00211709 yield of living structure on food
Y_VX_d mol/mol NaN NaN NaN NaN 0.105896 0.115981 0.190339 0.203572 yield of dead structure on food
Y_EX mol/mol NaN NaN NaN NaN 0.0749857 0.0674793 0.00345659 0.00309121 yield of living reserve on food
Y_EX_d mol/mol NaN NaN NaN NaN 0.170281 0.169347 0.306064 0.297239 yield of dead reserve on food
Y_CX mol/mol NaN NaN NaN NaN 0.492829 0.491603 0.388616 0.384606 yield of CO2 on food
Y_HX mol/mol NaN NaN NaN NaN 0.354289 0.353408 0.279372 0.276489 yield of H2O on food
Y_OX mol/mol NaN NaN NaN NaN -0.535952 -0.534618 -0.42262 -0.418259 yield of O2 on food
Y_NX mol/mol NaN NaN NaN NaN 0.0739244 0.0737404 0.0582924 0.057691 yield of N-waste on food
mu_TX J/mol NaN NaN NaN NaN 261339 261148 206020 204474 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