Octopus cyanea: Population traits

at T = 25 °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: 2025/03/24
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - NaN NaN NaN NaN 1 1 scaled functional response
r 1/d 0 0 NaN NaN 0.00620011 0.00149746 spec pop growth rate
t2 d NaN NaN NaN NaN 111.796 462.882 population doubling time
a_b d NaN NaN NaN NaN 27.2361 27.2361 age at birth
t_j d NaN NaN NaN NaN 86.3026 86.3026 time since birth at metam
t_p d NaN NaN NaN NaN 175.405 175.405 time since birth at puberty
S_b - NaN NaN NaN NaN 1 1 survival probability at birth
S_j - NaN NaN NaN NaN 1 0.0661291 survival probability at metam
S_p - NaN NaN NaN NaN 1 0.000182896 survival probability at puberty
theta_0b - NaN NaN NaN NaN 0.231827 0.737747 frac of ind that is embryo
theta_bj - NaN NaN NaN NaN 0.195826 0.24556 frac of ind between b and j
theta_jp - NaN NaN NaN NaN 0.326424 0.0166044 frac of ind between j and p
theta_pi - NaN NaN NaN NaN 0.245924 8.82868e-05 frac of ind that is adult
L_bi cm NaN NaN NaN NaN 0.398942 0.041327 mean structural length of post-natals
L2_bi cm^2 NaN NaN NaN NaN 0.331575 0.00235557 mean squared structural length of post-natals
L3_bi cm^3 NaN NaN NaN NaN 0.342523 0.000402985 mean cubed structural length of post-natals
Ww_bi g NaN NaN NaN NaN 60.709 0.0714253 mean wet weight of post-natals
L_pi cm NaN NaN NaN NaN 0.943373 0.802622 mean structural length of adults
L2_pi cm^2 NaN NaN NaN NaN 0.962842 0.708041 mean squared structural length of adults
L3_pi cm^3 NaN NaN NaN NaN 1.04691 0.682182 mean cubed structural length of adults
Ww_pi g NaN NaN NaN NaN 185.554 120.91 mean wet weight of adults
R 1/d NaN NaN NaN NaN 141.016 41.2981 mean reproduction rate of adults
J_X g/d NaN NaN NaN NaN 4.10409 0.00754036 mean ingestion rate of wet food by post-natals
Y_PX mol/mol NaN NaN NaN NaN 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol NaN NaN NaN NaN 0.000517455 8.00299e-05 yield of living structure on food
Y_VX_d mol/mol NaN NaN NaN NaN 0.00279112 0.00382747 yield of dead structure on food
Y_EX mol/mol NaN NaN NaN NaN 0.0911966 0.0141045 yield of living reserve on food
Y_EX_d mol/mol NaN NaN NaN NaN 0.491908 0.674556 yield of dead reserve on food
Y_CX mol/mol NaN NaN NaN NaN 0.304212 0.198057 yield of CO2 on food
Y_HX mol/mol NaN NaN NaN NaN 0.218694 0.142381 yield of H2O on food
Y_OX mol/mol NaN NaN NaN NaN -0.33083 -0.215387 yield of O2 on food
Y_NX mol/mol NaN NaN NaN NaN 0.0456317 0.0297085 yield of N-waste on food
mu_TX J/mol NaN NaN NaN NaN 150138 91782.8 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