Illex argentinus: Population traits

at T = 8 °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 0.00336701 0.00336701 0.000746809 0.000746809 spec pop growth rate
t2 d NaN NaN NaN NaN 205.864 205.864 928.145 928.145 population doubling time
a_b d NaN NaN NaN NaN 21.8703 21.8701 21.8703 21.8701 age at birth
t_j d NaN NaN NaN NaN 133.609 133.604 133.609 133.604 time since birth at metam
t_p d NaN NaN NaN NaN 263.127 1002.84 263.127 1002.84 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 0.219833 0.219823 survival probability at metam
S_p - NaN NaN NaN NaN 1 1 9.56585e-05 9.56584e-05 survival probability at puberty
theta_0b - NaN NaN NaN NaN 0.116131 0.116129 0.606678 0.606685 frac of ind that is embryo
theta_bj - NaN NaN NaN NaN 0.107967 0.107965 0.308225 0.308223 frac of ind between b and j
theta_jp - NaN NaN NaN NaN 0.443013 0.442994 0.0850214 0.0850161 frac of ind between j and p
theta_pi - NaN NaN NaN NaN 0.332889 0.332911 7.59338e-05 7.59355e-05 frac of ind that is adult
L_bi cm NaN NaN NaN NaN 1.45726 1.4574 0.0961958 0.0961958 mean structural length of post-natals
L2_bi cm^2 NaN NaN NaN NaN 4.53173 4.53255 0.0130522 0.0130524 mean squared structural length of post-natals
L3_bi cm^3 NaN NaN NaN NaN 17.192 17.1965 0.00707681 0.00707765 mean cubed structural length of post-natals
Ww_bi g NaN NaN NaN NaN 56.619 56.6361 0.0233062 0.02331 mean wet weight of post-natals
L_pi cm NaN NaN NaN NaN 3.22034 3.22052 2.52811 2.52818 mean structural length of adults
L2_pi cm^2 NaN NaN NaN NaN 11.5813 11.5828 7.36133 7.3619 mean squared structural length of adults
L3_pi cm^3 NaN NaN NaN NaN 45.2342 45.2432 24.413 24.4164 mean cubed structural length of adults
Ww_pi g NaN NaN NaN NaN 148.971 149.007 80.3999 80.4145 mean wet weight of adults
R 1/d NaN NaN NaN NaN 1473.09 0 879.183 0 mean reproduction rate of adults
J_X g/d NaN NaN NaN NaN 3.18901 3.18979 0.00221253 0.00221279 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 0.0181517 0.0181519 0.00238868 0.00238868 yield of living structure on food
Y_VX_d mol/mol NaN NaN NaN NaN 0.108662 0.108658 0.135276 0.135271 yield of dead structure on food
Y_EX mol/mol NaN NaN NaN NaN 0.0416277 0.0416308 0.00547801 0.00547837 yield of living reserve on food
Y_EX_d mol/mol NaN NaN NaN NaN 0.249198 0.249204 0.310232 0.31024 yield of dead reserve on food
Y_CX mol/mol NaN NaN NaN NaN 0.472986 0.472979 0.43725 0.437246 yield of CO2 on food
Y_HX mol/mol NaN NaN NaN NaN 0.340024 0.34002 0.314334 0.314331 yield of H2O on food
Y_OX mol/mol NaN NaN NaN NaN -0.514372 -0.514365 -0.475509 -0.475505 yield of O2 on food
Y_NX mol/mol NaN NaN NaN NaN 0.0709478 0.0709469 0.0655875 0.0655869 yield of N-waste on food
mu_TX J/mol NaN NaN NaN NaN 249139 249135 230027 230025 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