Squalus montalbani: Population traits

at T = 8.6 °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 - 0.781429 0.781429 0.93789 0.93789 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000275229 0.000275229 2.77143e-05 2.77143e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 2518.44 2518.44 25010.4 25010.4 population doubling time
a_b d 795.181 795.181 774.651 774.651 767.903 767.903 767.903 767.903 age at birth
t_p d 14094.3 12073.6 8202.93 7556.94 7285.47 6763.99 7285.47 6763.99 time since birth at puberty
S_b - 0.999558 0.999558 0.999589 0.999589 0.999599 0.999599 0.999599 0.999599 survival probability at birth
S_p - 0.997437 0.997437 0.490017 0.490017 0.997786 0.997786 0.47722 0.47722 survival probability at puberty
theta_0b - 0.0573432 0.0573432 0.276462 0.276462 0.200232 0.200232 0.309097 0.309097 frac of ind that is embryo
theta_bp - 0.057298 0.057298 0.192209 0.192209 0.161966 0.161966 0.207877 0.207877 fraction of individuals that is juvenile
theta_pi - 0.885359 0.885359 0.531328 0.531328 0.637802 0.637802 0.483026 0.483026 frac of ind that is adult
L_bi cm 6.10022 6.10022 5.12817 5.12817 5.08954 5.08954 4.98923 4.98923 mean structural length of post-natals
L2_bi cm^2 39.9717 39.9717 31.631 31.631 29.8408 29.8408 30.4499 30.4499 mean squared structural length of post-natals
L3_bi cm^3 274.478 274.478 222.808 222.808 195.642 195.642 216.328 216.328 mean cubed structural length of post-natals
Ww_bi g 764.781 764.781 700.502 700.502 642.872 642.872 710.845 710.845 mean wet weight of post-natals
L_pi cm 6.32705 6.32705 6.04181 6.04181 5.70593 5.70593 6.00974 6.00974 mean structural length of adults
L2_pi cm^2 42.1192 42.1192 40.5974 40.5974 35.5988 35.5988 40.5712 40.5712 mean squared structural length of adults
L3_pi cm^3 291.082 291.082 296.828 296.828 240.373 240.373 301.44 301.44 mean cubed structural length of adults
Ww_pi g 811.046 811.046 933.219 933.219 789.853 789.853 990.518 990.518 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 0.976602 0.976602 0.927556 0.927556 0.933008 0.933008 0.952052 0.952052 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 0.0577127 0.0577127 0.00629733 0.00629733 yield of living structure on food
Y_VX_d mol/mol 0.0345822 0.0345822 0.0563731 0.0563731 0.00915673 0.00915673 0.0553981 0.0553981 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.131929 0.131929 0.0143954 0.0143954 yield of living reserve on food
Y_EX_d mol/mol 0.0617745 0.0617745 0.120863 0.120863 0.0209319 0.0209319 0.126637 0.126637 yield of dead reserve on food
Y_CX mol/mol 0.734698 0.734698 0.659885 0.659885 0.620578 0.620578 0.636305 0.636305 yield of CO2 on food
Y_HX mol/mol 0.631002 0.631002 0.566748 0.566748 0.532989 0.532989 0.546496 0.546496 yield of H2O on food
Y_OX mol/mol -0.863767 -0.863767 -0.775811 -0.775811 -0.729599 -0.729599 -0.748088 -0.748088 yield of O2 on food
Y_NX mol/mol 0.0595701 0.0595701 0.0535042 0.0535042 0.0503171 0.0503171 0.0515923 0.0515923 yield of N-waste on food
mu_TX J/mol 413965 413965 371312 371312 348853 348853 357790 357790 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