Enteroctopus megalocyathus: Population traits

at T = 10 °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 - 0.109998 0.109998 0.554999 0.554999 1 1 scaled functional response
r 1/d 0 0 0.00646219 NaN 0.00699405 NaN spec pop growth rate
t2 d NaN NaN 107.262 NaN 99.1053 NaN population doubling time
a_b d 138.228 138.228 128.04 NaN 126.761 NaN age at birth
t_j d 518.713 518.713 257.053 NaN 240.14 NaN time since birth at metam
t_p d 2454.14 2454.14 594.358 NaN 543.579 NaN time since birth at puberty
S_b - 0.999775 0.999775 0.99983 NaN 0.999836 NaN survival probability at birth
S_j - 0.998279 0.273432 0.999153 NaN 0.999218 NaN survival probability at metam
S_p - 0.989466 0.00767246 0.998279 NaN 0.998533 NaN survival probability at puberty
theta_0b - 0.0664079 0.557549 0.563164 NaN 0.588223 NaN frac of ind that is embryo
theta_bj - 0.0663836 0.312552 0.246141 NaN 0.242327 NaN frac of ind between b and j
theta_jp - 0.181812 0.114224 0.108046 NaN 0.0929258 NaN frac of ind between j and p
theta_pi - 0.685397 0.0156749 0.0826493 NaN 0.0765249 NaN frac of ind that is adult
L_bi cm 0.985086 0.233162 0.552783 NaN 0.562089 NaN mean structural length of post-natals
L2_bi cm^2 1.1462 0.09262 0.668735 NaN 0.719457 NaN mean squared structural length of post-natals
L3_bi cm^3 1.41143 0.0713335 1.31757 NaN 1.55445 NaN mean cubed structural length of post-natals
Ww_bi g 8.03283 0.405978 32.5044 NaN 67.8494 NaN mean wet weight of post-natals
L_pi cm 1.21756 1.15303 1.59578 NaN 1.6581 NaN mean structural length of adults
L2_pi cm^2 1.50968 1.37081 3.00897 NaN 3.32394 NaN mean squared structural length of adults
L3_pi cm^3 1.89791 1.66903 6.70589 NaN 8.0922 NaN mean cubed structural length of adults
Ww_pi g 10.8015 9.49888 165.434 NaN 353.213 NaN mean wet weight of adults
R 1/d 0.138623 0 1.12063 NaN 0.836772 NaN mean reproduction rate of adults
J_X g/d 0.123774 0.0072178 0.392268 NaN 0.769561 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 0.0217056 NaN 0.0141274 NaN yield of living structure on food
Y_VX_d mol/mol 0.00971549 0.0280112 0.000417222 NaN 0.000362329 NaN yield of dead structure on food
Y_EX mol/mol 0 0 0.513769 NaN 0.602512 NaN yield of living reserve on food
Y_EX_d mol/mol 0.045578 0.131408 0.0098756 NaN 0.0154528 NaN yield of dead reserve on food
Y_CX mol/mol 0.835331 0.731205 0.344858 NaN 0.258171 NaN yield of CO2 on food
Y_HX mol/mol 0.600511 0.525655 0.247914 NaN 0.185596 NaN yield of H2O on food
Y_OX mol/mol -0.908423 -0.795186 -0.375033 NaN -0.280761 NaN yield of O2 on food
Y_NX mol/mol 0.1253 0.109681 0.0517287 NaN 0.0387256 NaN yield of N-waste on food
mu_TX J/mol 442574 386220 173434 NaN 125375 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