Hyperoodon ampullatus: Population traits

at T = 35.5 °C with background hazards for embryo, baby, 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 stx f_min f_max date: 2025/06/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.956747 NaN 0.974259 0.974259 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000318569 0.000318569 8.11706e-05 8.11706e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 2175.82 2175.82 8539.39 8539.39 population doubling time
a_b d 411.961 NaN 411.961 NaN 411.961 411.961 411.961 411.961 age at birth
t_x d 6409.87 NaN 4370.91 NaN 3470.77 2086.08 3470.77 2086.08 time since birth at weaning
t_p d 383.087 NaN 376.025 NaN 366.469 334.904 366.469 334.904 time since birth at puberty
S_b - 0.999999 NaN 0.999999 NaN 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_x - 0.999989 NaN 0.500118 NaN 0.999989 0.999991 0.4928 0.466452 survival probability at weaning
S_p - 0.986255 NaN 0.162079 NaN 0.998452 0.999722 0.162121 0.168987 survival probability at puberty
theta_0b - 0.0255676 NaN 0.123943 NaN 0.12481 0.124469 0.194278 0.213215 frac of ind that is embryo
theta_bx - 0.0255608 NaN 0.0860631 NaN 0.109433 0.109131 0.129763 0.138589 fraction of individuals that is baby
theta_xp - 0.370959 NaN 0.266933 NaN 0.485672 0.321632 0.290212 0.199146 fraction of individuals that is juvenile
theta_pi - 0.577913 NaN 0.523061 NaN 0.280084 0.444768 0.385747 0.44905 frac of ind that is adult
L_bi cm 78.323 NaN 74.8703 NaN 70.0017 75.358 71.3562 76.2415 mean structural length of post-natals
L2_bi cm^2 6217.88 NaN 5822.12 NaN 5142.65 6017.79 5400.42 6266.27 mean squared structural length of post-natals
L3_bi cm^3 497867 NaN 463350 NaN 390987 500199 424664 539880 mean cubed structural length of post-natals
Ww_bi g 3.83196e+06 NaN 3.62309e+06 NaN 3.1277e+06 4.37496e+06 3.3971e+06 4.72203e+06 mean wet weight of post-natals
L_pi cm 82.3246 NaN 83.6647 NaN 84.8579 90.4925 85.427 92.6419 mean structural length of adults
L2_pi cm^2 6777.35 NaN 6999.93 NaN 7202.21 8208.02 7298.73 8597.23 mean squared structural length of adults
L3_pi cm^3 557944 NaN 585672 NaN 611393 746168 623672 799099 mean cubed structural length of adults
Ww_pi g 4.29435e+06 NaN 4.57956e+06 NaN 4.89084e+06 6.52632e+06 4.98906e+06 6.98927e+06 mean wet weight of adults
R 1/d 0.000107184 NaN 0.000574272 NaN 0.00101169 0.0036799 0.00120091 0.00445023 mean reproduction rate of adults
J_X g/d 13143 NaN 12531.7 NaN 11361.7 14713.9 11931.2 15321.5 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.0109628 0.0108297 0.00288909 0.0028602 yield of living structure on food
Y_VX_d mol/mol 0.00270476 NaN 0.00556275 NaN 0.000291766 0.000245323 0.0064336 0.00638324 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.0767344 0.0838919 0.0202222 0.0221563 yield of living reserve on food
Y_EX_d mol/mol 0.0181131 NaN 0.0379342 NaN 0.00204221 0.00190038 0.0450319 0.0494474 yield of dead reserve on food
Y_CX mol/mol 0.804572 NaN 0.783593 NaN 0.740549 0.734226 0.754845 0.749044 yield of CO2 on food
Y_HX mol/mol 0.686181 NaN 0.66829 NaN 0.63158 0.626187 0.643771 0.638825 yield of H2O on food
Y_OX mol/mol -0.945915 NaN -0.921252 NaN -0.870646 -0.863212 -0.887452 -0.880633 yield of O2 on food
Y_NX mol/mol 0.0652355 NaN 0.0635346 NaN 0.0600445 0.0595318 0.0612036 0.0607333 yield of N-waste on food
mu_TX J/mol 453227 NaN 441104 NaN 416220 412514 424482 421087 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