Octopus maya: Population traits

at T = 24 °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 0.00378727 0.000194866 spec pop growth rate
t2 d NaN NaN NaN NaN 183.02 3557.05 population doubling time
a_b d NaN NaN NaN NaN 29.8475 29.8475 age at birth
t_j d NaN NaN NaN NaN 126.752 126.752 time since birth at metam
t_p d NaN NaN NaN NaN 152.255 152.255 time since birth at puberty
S_b - NaN NaN NaN NaN 1 1 survival probability at birth
S_j - NaN NaN NaN NaN 1 0.142911 survival probability at metam
S_p - NaN NaN NaN NaN 1 0.000258142 survival probability at puberty
theta_0b - NaN NaN NaN NaN 0.157471 0.661655 frac of ind that is embryo
theta_bj - NaN NaN NaN NaN 0.140695 0.290176 frac of ind between b and j
theta_jp - NaN NaN NaN NaN 0.361142 0.0479717 frac of ind between j and p
theta_pi - NaN NaN NaN NaN 0.340692 0.000198016 frac of ind that is adult
L_bi cm NaN NaN NaN NaN 3.34305 0.284749 mean structural length of post-natals
L2_bi cm^2 NaN NaN NaN NaN 22.568 0.120056 mean squared structural length of post-natals
L3_bi cm^3 NaN NaN NaN NaN 185.802 0.203683 mean cubed structural length of post-natals
Ww_bi g NaN NaN NaN NaN 512.696 0.562035 mean wet weight of post-natals
L_pi cm NaN NaN NaN NaN 6.92498 5.47963 mean structural length of adults
L2_pi cm^2 NaN NaN NaN NaN 53.8171 34.8697 mean squared structural length of adults
L3_pi cm^3 NaN NaN NaN NaN 455.646 253.961 mean cubed structural length of adults
Ww_pi g NaN NaN NaN NaN 1257.29 700.77 mean wet weight of adults
R 1/d NaN NaN NaN NaN 19.4266 12.1522 mean reproduction rate of adults
J_X g/d NaN NaN NaN NaN 17.4656 0.0305454 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 0.0402896 0.00129941 yield of living structure on food
Y_VX_d mol/mol NaN NaN NaN NaN 0.179878 0.245456 yield of dead structure on food
Y_EX mol/mol NaN NaN NaN NaN 0.070884 0.00228612 yield of living reserve on food
Y_EX_d mol/mol NaN NaN NaN NaN 0.31647 0.431845 yield of dead reserve on food
Y_CX mol/mol NaN NaN NaN NaN 0.283104 0.209738 yield of CO2 on food
Y_HX mol/mol NaN NaN NaN NaN 0.20352 0.150778 yield of H2O on food
Y_OX mol/mol NaN NaN NaN NaN -0.307876 -0.22809 yield of O2 on food
Y_NX mol/mol NaN NaN NaN NaN 0.0424656 0.0314607 yield of N-waste on food
mu_TX J/mol NaN NaN NaN NaN 149372 110350 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