Sthenoteuthis oualaniensis: Population traits

at T = 26 °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: 2025/03/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.279615 0.279615 0.279615 0.279615 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0751 0.0751 0.0104308 0.0104308 spec pop growth rate
t2 d NaN NaN NaN NaN 9.22966 9.22966 66.452 66.452 population doubling time
a_b d 2.77258 2.80483 2.77258 2.80483 2.42796 2.4429 2.42796 2.4429 age at birth
t_j d 10.1924 10.8087 10.1924 10.8087 5.46582 5.61806 5.46582 5.61806 time since birth at metam
t_p d 711.916 NaN 711.916 NaN 87.616 93.8813 87.616 93.8813 time since birth at puberty
S_b - 1 0.999999 1 0.999999 1 1 1 1 survival probability at birth
S_j - 0.999998 0.999997 0.255284 0.272344 0.999999 0.999999 0.105144 0.110339 survival probability at metam
S_p - 0.999991 0.999989 0.00660887 0.00665523 0.999997 0.999997 0.00627834 0.00628803 survival probability at puberty
theta_0b - 0.0162039 0.0172046 0.572625 0.560657 0.167486 0.168787 0.695213 0.690723 frac of ind that is embryo
theta_bj - 0.0162165 0.017218 0.312568 0.313898 0.139647 0.14056 0.270639 0.273093 frac of ind between b and j
theta_jp - 0.0433975 0.0491333 0.104372 0.114613 0.142417 0.148089 0.0291252 0.0311005 frac of ind between j and p
theta_pi - 0.924182 0.916444 0.0104338 0.0108317 0.55045 0.542565 0.00502308 0.0050836 frac of ind that is adult
L_bi cm 1.27931 1.16068 0.0672201 0.0665714 0.613619 0.586466 0.0602336 0.0599823 mean structural length of post-natals
L2_bi cm^2 1.9183 1.58559 0.0210421 0.0190617 0.751993 0.680574 0.0124827 0.011719 mean squared structural length of post-natals
L3_bi cm^3 3.03868 2.29072 0.0246684 0.0200989 1.23552 1.0498 0.0153733 0.0130457 mean cubed structural length of post-natals
Ww_bi g 6.27938 4.53645 0.0509768 0.0398031 5.94795 4.73051 0.0740091 0.0587852 mean wet weight of post-natals
L_pi cm 1.35592 1.23808 0.688906 0.657921 0.882828 0.851619 0.561615 0.548913 mean structural length of adults
L2_pi cm^2 2.04137 1.69965 0.73861 0.65132 1.13238 1.03752 0.572129 0.52734 mean squared structural length of adults
L3_pi cm^3 3.2346 2.45647 1.00143 0.806345 1.868 1.60764 0.919212 0.780058 mean cubed structural length of adults
Ww_pi g 6.68425 4.8647 2.06943 1.59686 8.99276 7.2442 4.4252 3.51503 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.689065 0.522324 0.00689589 0.00567356 0.98138 0.815877 0.0138375 0.0117986 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.0945482 0.0966318 0.0115885 0.0115333 yield of living structure on food
Y_VX_d mol/mol 0.0531926 0.056299 0.0999916 0.105649 0.0138 0.0174917 0.102639 0.110141 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.360618 0.338802 0.0441999 0.0404371 yield of living reserve on food
Y_EX_d mol/mol 0.0567292 0.0551934 0.10664 0.103574 0.0526348 0.0613279 0.391478 0.386166 yield of dead reserve on food
Y_CX mol/mol 0.780703 0.779133 0.683994 0.681403 0.369024 0.376371 0.34072 0.342348 yield of CO2 on food
Y_HX mol/mol 0.561239 0.56011 0.491716 0.489853 0.265287 0.270569 0.24494 0.246111 yield of H2O on food
Y_OX mol/mol -0.849015 -0.847307 -0.743843 -0.741025 -0.401314 -0.409304 -0.370533 -0.372304 yield of O2 on food
Y_NX mol/mol 0.117105 0.11687 0.102599 0.10221 0.0553536 0.0564557 0.051108 0.0513523 yield of N-waste on food
mu_TX J/mol 414703 413994 363852 362710 191037 195367 175764 177032 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