Bathypolypus arcticus: Population traits

at T = 4 °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 - NaN 0.235044 0.617522 0.617522 1 1 scaled functional response
r 1/d 0 0 0.000265938 NaN 0.000564246 NaN spec pop growth rate
t2 d NaN NaN 2606.43 NaN 1228.45 NaN population doubling time
a_b d NaN 706.948 668.864 NaN 659.173 NaN age at birth
t_j d NaN 3914.97 1179.65 NaN 1007.58 NaN time since birth at metam
t_p d NaN 7365.82 1625.5 NaN 1372.66 NaN time since birth at puberty
S_b - NaN 0.999999 0.999999 NaN 0.999999 NaN survival probability at birth
S_j - NaN 0.611768 0.999996 NaN 0.999997 NaN survival probability at metam
S_p - NaN 0.0657727 0.999991 NaN 0.999994 NaN survival probability at puberty
theta_0b - NaN 0.231839 0.20955 NaN 0.338722 NaN frac of ind that is embryo
theta_bj - NaN 0.18324 0.175429 NaN 0.233536 NaN frac of ind between b and j
theta_jp - NaN 0.257681 0.114456 NaN 0.0925091 NaN frac of ind between j and p
theta_pi - NaN 0.327241 0.500565 NaN 0.335233 NaN frac of ind that is adult
L_bi cm NaN 0.352563 0.891353 NaN 0.824513 NaN mean structural length of post-natals
L2_bi cm^2 NaN 0.144582 1.02403 NaN 0.983531 NaN mean squared structural length of post-natals
L3_bi cm^3 NaN 0.0655144 1.32172 NaN 1.41594 NaN mean cubed structural length of post-natals
Ww_bi g NaN 0.591938 29.2241 NaN 49.8212 NaN mean wet weight of post-natals
L_pi cm NaN 0.509609 1.20428 NaN 1.28195 NaN mean structural length of adults
L2_pi cm^2 NaN 0.259828 1.53726 NaN 1.80257 NaN mean squared structural length of adults
L3_pi cm^3 NaN 0.132535 2.05267 NaN 2.73213 NaN mean cubed structural length of adults
Ww_pi g NaN 1.19748 45.3858 NaN 96.1327 NaN mean wet weight of adults
R 1/d NaN 0.000248514 0.00864143 NaN 0.00782465 NaN mean reproduction rate of adults
J_X g/d NaN 0.00315323 0.0841164 NaN 0.133898 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol NaN 0.109375 0.109375 NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol NaN 0 0.00417868 NaN 0.00596674 NaN yield of living structure on food
Y_VX_d mol/mol NaN 0.00312363 0.00494999 NaN 0.00498905 NaN yield of dead structure on food
Y_EX mol/mol NaN 0 0.0882146 NaN 0.203979 NaN yield of living reserve on food
Y_EX_d mol/mol NaN 0.0250991 0.104497 NaN 0.170556 NaN yield of dead reserve on food
Y_CX mol/mol NaN 0.862402 0.688784 NaN 0.505134 NaN yield of CO2 on food
Y_HX mol/mol NaN 0.619971 0.495159 NaN 0.363135 NaN yield of H2O on food
Y_OX mol/mol NaN -0.937862 -0.749053 NaN -0.549333 NaN yield of O2 on food
Y_NX mol/mol NaN 0.12936 0.103318 NaN 0.0757701 NaN yield of N-waste on food
mu_TX J/mol NaN 457134 361944 NaN 261028 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