Alepocephalus rostratus: Population traits

at T = 8.5 °C with background hazards for embryo, juv, adult: 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 std f_minf f_max date: 2025/05/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.50303 0.614737 0.807369 0.807369 1 1 scaled functional response
r 1/d 0 0 0.000859792 0.000115791 0.00108713 0.0001714 spec pop growth rate
t2 d NaN NaN 806.18 5986.18 637.592 4044.03 population doubling time
a_b d 150.213 146.071 141.05 141.05 137.61 137.61 age at birth
t_p d 15583.3 7417.72 4933.97 4933.97 3975.42 3975.42 time since birth at puberty
S_b - 0.99998 0.999981 0.999983 0.999983 0.999984 0.999984 survival probability at birth
S_p - 0.999896 0.458316 0.999917 0.419019 0.999924 0.392208 survival probability at puberty
theta_0b - 0.0128931 0.289944 0.114637 0.356054 0.139196 0.389311 frac of ind that is embryo
theta_bp - 0.0129018 0.195993 0.101595 0.226676 0.119922 0.238256 fraction of individuals that is juvenile
theta_pi - 0.974205 0.514063 0.783769 0.41727 0.740881 0.372433 frac of ind that is adult
L_bi cm 2.38799 1.11382 1.24159 0.918724 1.18493 0.868952 mean structural length of post-natals
L2_bi cm^2 6.3877 2.32154 2.18436 1.71936 2.03398 1.59722 mean squared structural length of post-natals
L3_bi cm^3 18.0319 6.59018 4.86253 5.07739 4.53967 5.00902 mean cubed structural length of post-natals
Ww_bi g 31.8149 12.7462 10.828 11.3065 11.4378 12.6204 mean wet weight of post-natals
L_pi cm 2.41534 1.41573 1.35872 1.23923 1.32097 1.21131 mean structural length of adults
L2_pi cm^2 6.47089 3.16664 2.45248 2.59375 2.34367 2.54642 mean squared structural length of adults
L3_pi cm^3 18.2702 9.08956 5.48759 7.81539 5.26751 8.18831 mean cubed structural length of adults
Ww_pi g 32.2354 17.5802 12.2199 17.4035 13.2717 20.6307 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0434114 0.019281 0.0238266 0.0187544 0.0274797 0.0215789 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 yield of faeces on food
Y_VX mol/mol 0 0 0.175466 0.0313482 0.179595 0.0397864 yield of living structure on food
Y_VX_d mol/mol 0.0609571 0.109536 0.00326455 0.110159 0.00188636 0.108551 yield of dead structure on food
Y_EX mol/mol 0 0 0.215266 0.0384587 0.2729 0.0604567 yield of living reserve on food
Y_EX_d mol/mol 0.0465938 0.102319 0.00400502 0.135146 0.00286638 0.164947 yield of dead reserve on food
Y_CX mol/mol 0.783074 0.678771 0.492623 0.575513 0.433377 0.516884 yield of CO2 on food
Y_HX mol/mol 0.563378 0.488338 0.354415 0.41405 0.31179 0.371869 yield of H2O on food
Y_OX mol/mol -0.851593 -0.738163 -0.535728 -0.625871 -0.471297 -0.562111 yield of O2 on food
Y_NX mol/mol 0.117461 0.101816 0.0738935 0.086327 0.0650065 0.0775326 yield of N-waste on food
mu_TX J/mol 416395 361457 262535 306264 230087 274359 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