Octopus bimaculoides: 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_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 0.00364383 0.000676119 spec pop growth rate
t2 d NaN NaN NaN NaN 190.225 1025.19 population doubling time
a_b d NaN NaN NaN NaN 46.1937 46.1937 age at birth
t_j d NaN NaN NaN NaN 118.082 118.082 time since birth at metam
t_p d NaN NaN NaN NaN 131.972 131.972 time since birth at puberty
S_b - NaN NaN NaN NaN 1 1 survival probability at birth
S_j - NaN NaN NaN NaN 1 0.136463 survival probability at metam
S_p - NaN NaN NaN NaN 1 0.00615027 survival probability at puberty
theta_0b - NaN NaN NaN NaN 0.196173 0.67069 frac of ind that is embryo
theta_bj - NaN NaN NaN NaN 0.165816 0.283283 frac of ind between b and j
theta_jp - NaN NaN NaN NaN 0.208447 0.0413264 frac of ind between j and p
theta_pi - NaN NaN NaN NaN 0.429564 0.00470011 frac of ind that is adult
L_bi cm NaN NaN NaN NaN 2.03831 0.405576 mean structural length of post-natals
L2_bi cm^2 NaN NaN NaN NaN 6.58649 0.275504 mean squared structural length of post-natals
L3_bi cm^3 NaN NaN NaN NaN 25.3973 0.494642 mean cubed structural length of post-natals
Ww_bi g NaN NaN NaN NaN 102.341 1.99321 mean wet weight of post-natals
L_pi cm NaN NaN NaN NaN 3.25949 2.65935 mean structural length of adults
L2_pi cm^2 NaN NaN NaN NaN 11.8858 8.20253 mean squared structural length of adults
L3_pi cm^3 NaN NaN NaN NaN 47.1155 28.7905 mean cubed structural length of adults
Ww_pi g NaN NaN NaN NaN 189.857 116.014 mean wet weight of adults
R 1/d NaN NaN NaN NaN 3.92787 2.55002 mean reproduction rate of adults
J_X g/d NaN NaN NaN NaN 2.63848 0.0716575 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 0.0350744 0.00466716 yield of living structure on food
Y_VX_d mol/mol NaN NaN NaN NaN 0.0687358 0.129407 yield of dead structure on food
Y_EX mol/mol NaN NaN NaN NaN 0.106262 0.0141396 yield of living reserve on food
Y_EX_d mol/mol NaN NaN NaN NaN 0.208242 0.392051 yield of dead reserve on food
Y_CX mol/mol NaN NaN NaN NaN 0.472311 0.350361 yield of CO2 on food
Y_HX mol/mol NaN NaN NaN NaN 0.339539 0.25187 yield of H2O on food
Y_OX mol/mol NaN NaN NaN NaN -0.513638 -0.381017 yield of O2 on food
Y_NX mol/mol NaN NaN NaN NaN 0.0708466 0.0525541 yield of N-waste on food
mu_TX J/mol NaN NaN NaN NaN 247618 182058 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