Squalus blainville: Population traits

at T = 17 °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_min f_max date: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.58745 0.58745 NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000341983 0.000341983 NaN NaN spec pop growth rate
t2 d NaN NaN NaN NaN 2026.85 2026.85 NaN NaN population doubling time
a_b d 547.842 556.236 NaN NaN 518.367 524.146 NaN NaN age at birth
t_p d 3437.86 2533.73 NaN NaN 1861.92 1416.69 NaN NaN time since birth at puberty
S_b - 0.9995 0.99941 NaN NaN 0.999573 0.999503 NaN NaN survival probability at birth
S_p - 0.99698 0.996326 NaN NaN 0.997682 0.997242 NaN NaN survival probability at puberty
theta_0b - 0.0717504 0.0771798 NaN NaN 0.179039 0.182977 NaN NaN frac of ind that is embryo
theta_bp - 0.0716667 0.0770695 NaN NaN 0.149811 0.152775 NaN NaN fraction of individuals that is juvenile
theta_pi - 0.856583 0.845751 NaN NaN 0.671149 0.664249 NaN NaN frac of ind that is adult
L_bi cm 6.08186 5.48427 NaN NaN 6.63684 6.19019 NaN NaN mean structural length of post-natals
L2_bi cm^2 39.3944 31.7836 NaN NaN 51.7695 44.3019 NaN NaN mean squared structural length of post-natals
L3_bi cm^3 266.021 191.326 NaN NaN 452.423 351.881 NaN NaN mean cubed structural length of post-natals
Ww_bi g 711.677 475.129 NaN NaN 1742.62 1240.4 NaN NaN mean wet weight of post-natals
L_pi cm 6.35537 5.73239 NaN NaN 7.45039 6.93515 NaN NaN mean structural length of adults
L2_pi cm^2 42.0209 33.9783 NaN NaN 61.2895 52.4538 NaN NaN mean squared structural length of adults
L3_pi cm^3 286.353 206.786 NaN NaN 547.097 426.598 NaN NaN mean cubed structural length of adults
Ww_pi g 766.07 513.522 NaN NaN 2107.28 1503.79 NaN NaN mean wet weight of adults
R 1/d 0.000212789 0.000292761 NaN NaN 0.00090802 0.000895759 NaN NaN mean reproduction rate of adults
J_X g/d 1.28345 0.916871 NaN NaN 2.8711 2.17549 NaN NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 NaN NaN 0.109375 0.109375 NaN NaN yield of faeces on food
Y_VX mol/mol 0 0 NaN NaN 0.0538891 0.0553151 NaN NaN yield of living structure on food
Y_VX_d mol/mol 0.0457335 0.0479448 NaN NaN 0.01699 0.0187495 NaN NaN yield of dead structure on food
Y_EX mol/mol 0 0 NaN NaN 0.153678 0.139674 NaN NaN yield of living reserve on food
Y_EX_d mol/mol 0.0766157 0.0711188 NaN NaN 0.0484513 0.0473437 NaN NaN yield of dead reserve on food
Y_CX mol/mol 0.710655 0.713694 NaN NaN 0.571295 0.582327 NaN NaN yield of CO2 on food
Y_HX mol/mol 0.610352 0.612963 NaN NaN 0.490662 0.500137 NaN NaN yield of H2O on food
Y_OX mol/mol -0.8355 -0.839073 NaN NaN -0.671658 -0.684628 NaN NaN yield of O2 on food
Y_NX mol/mol 0.0576207 0.0578671 NaN NaN 0.0463212 0.0472157 NaN NaN yield of N-waste on food
mu_TX J/mol 400465 402352 NaN NaN 320238 326848 NaN NaN 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