Histioteuthis bonnellii: Population traits

at T = 18 °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_min f_max date: 2025/03/21
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - NaN NaN NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00218819 0.00218819 6.17182e-06 6.17182e-06 spec pop growth rate
t2 d NaN NaN NaN NaN 316.767 316.767 112308 112308 population doubling time
a_b d NaN NaN NaN NaN 6.06426 6.12542 6.06426 6.12542 age at birth
t_j d NaN NaN NaN NaN 62.3585 65.4608 62.3585 65.4608 time since birth at metam
t_p d NaN NaN NaN NaN 274.161 226.629 274.161 226.629 time since birth at puberty
S_b - NaN NaN NaN NaN 1 1 1 1 survival probability at birth
S_j - NaN NaN NaN NaN 1 1 0.382806 0.396952 survival probability at metam
S_p - NaN NaN NaN NaN 1 1 5.15041e-05 5.15177e-05 survival probability at puberty
theta_0b - NaN NaN NaN NaN 0.0292496 0.0299549 0.488867 0.47925 frac of ind that is embryo
theta_bj - NaN NaN NaN NaN 0.0289769 0.0296713 0.31545 0.314019 frac of ind between b and j
theta_jp - NaN NaN NaN NaN 0.251408 0.267739 0.195615 0.206661 frac of ind between j and p
theta_pi - NaN NaN NaN NaN 0.690365 0.672635 6.87192e-05 7.00873e-05 frac of ind that is adult
L_bi cm NaN NaN NaN NaN 2.75973 2.5153 0.0365426 0.0365428 mean structural length of post-natals
L2_bi cm^2 NaN NaN NaN NaN 12.957 10.8946 0.00211708 0.00211801 mean squared structural length of post-natals
L3_bi cm^3 NaN NaN NaN NaN 69.9618 54.3154 0.00126041 0.00126359 mean cubed structural length of post-natals
Ww_bi g NaN NaN NaN NaN 93.9729 71.8384 0.00169298 0.00167124 mean wet weight of post-natals
L_pi cm NaN NaN NaN NaN 3.80555 3.54593 1.50462 1.50543 mean structural length of adults
L2_pi cm^2 NaN NaN NaN NaN 18.1944 15.6846 3.10141 3.10509 mean squared structural length of adults
L3_pi cm^3 NaN NaN NaN NaN 98.3652 78.3196 8.32616 8.34086 mean cubed structural length of adults
Ww_pi g NaN NaN NaN NaN 132.125 103.587 11.1837 11.0317 mean wet weight of adults
R 1/d NaN NaN NaN NaN 153.182 162.983 0 0.32641 mean reproduction rate of adults
J_X g/d NaN NaN NaN NaN 2.6416 2.08761 0.000129148 0.000121579 mean ingestion rate of wet food by post-natals
Y_PX mol/mol NaN NaN NaN NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol NaN NaN NaN NaN 0.0579535 0.0569325 6.02332e-05 6.41443e-05 yield of living structure on food
Y_VX_d mol/mol NaN NaN NaN NaN 0.415892 0.424188 0.389044 0.393755 yield of dead structure on food
Y_EX mol/mol NaN NaN NaN NaN 0.0198898 0.0183673 2.06723e-05 2.06939e-05 yield of living reserve on food
Y_EX_d mol/mol NaN NaN NaN NaN 0.142736 0.136849 0.133521 0.127031 yield of dead reserve on food
Y_CX mol/mol NaN NaN NaN NaN 0.254154 0.254288 0.367979 0.369754 yield of CO2 on food
Y_HX mol/mol NaN NaN NaN NaN 0.182708 0.182805 0.264536 0.265812 yield of H2O on food
Y_OX mol/mol NaN NaN NaN NaN -0.276392 -0.276538 -0.400177 -0.402108 yield of O2 on food
Y_NX mol/mol NaN NaN NaN NaN 0.038123 0.0381432 0.0551969 0.0554632 yield of N-waste on food
mu_TX J/mol NaN NaN NaN NaN 146133 146571 204500 205712 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer