Ardeola bacchus: Population traits

at T = 40.6 °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: 2026/06/14
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 0.0067998 0.0067998 0.00147709 0.00147709 spec pop growth rate
t2 d NaN NaN NaN NaN 101.936 101.936 469.264 469.264 population doubling time
a_b d NaN NaN NaN NaN 16.794 16.7574 16.794 16.7574 age at birth
t_p d NaN NaN NaN NaN 88.4064 83.6672 88.4064 83.6672 time since birth at puberty
S_b - NaN NaN NaN NaN 1 1 1 1 survival probability at birth
S_p - NaN NaN NaN NaN 1 1 0.428152 0.419635 survival probability at puberty
theta_0b - NaN NaN NaN NaN 0.107918 0.107696 0.145062 0.152887 frac of ind that is embryo
theta_bp - NaN NaN NaN NaN 0.0962883 0.0961132 0.090573 0.0945469 fraction of individuals that is juvenile
theta_pi - NaN NaN NaN NaN 0.795793 0.796191 0.764365 0.752567 frac of ind that is adult
L_bi cm NaN NaN NaN NaN 2.63692 2.7232 2.80608 2.89608 mean structural length of post-natals
L2_bi cm^2 NaN NaN NaN NaN 7.28427 7.7961 8.22575 8.80754 mean squared structural length of post-natals
L3_bi cm^3 NaN NaN NaN NaN 20.7518 23.0626 24.7133 27.5195 mean cubed structural length of post-natals
Ww_bi g NaN NaN NaN NaN 188.362 217.293 224.32 259.286 mean wet weight of post-natals
L_pi cm NaN NaN NaN NaN 2.78412 2.87916 2.9747 3.08507 mean structural length of adults
L2_pi cm^2 NaN NaN NaN NaN 7.91803 8.48623 8.97035 9.66685 mean squared structural length of adults
L3_pi cm^3 NaN NaN NaN NaN 22.9011 25.4768 27.3139 30.622 mean cubed structural length of adults
Ww_pi g NaN NaN NaN NaN 207.87 240.04 247.925 288.517 mean wet weight of adults
R 1/d NaN NaN NaN NaN 0.0168835 0.0198814 0.0228408 0.0266202 mean reproduction rate of adults
J_X g/d NaN NaN NaN NaN 17.0126 18.9857 19.2114 21.4488 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 0.00829432 0.00825995 0.00190011 0.00189516 yield of living structure on food
Y_VX_d mol/mol NaN NaN NaN NaN 2.26238e-06 2.15949e-06 0.00248477 0.00252733 yield of dead structure on food
Y_EX mol/mol NaN NaN NaN NaN 0.0669924 0.0695644 0.015347 0.0159608 yield of living reserve on food
Y_EX_d mol/mol NaN NaN NaN NaN 1.8273e-05 1.8187e-05 0.0200692 0.0212849 yield of dead reserve on food
Y_CX mol/mol NaN NaN NaN NaN 0.662446 0.660384 0.691294 0.689777 yield of CO2 on food
Y_HX mol/mol NaN NaN NaN NaN 0.70525 0.703055 0.735963 0.734348 yield of H2O on food
Y_OX mol/mol NaN NaN NaN NaN -0.840796 -0.83818 -0.877412 -0.875487 yield of O2 on food
Y_NX mol/mol NaN NaN NaN NaN 0.152872 0.152396 0.159529 0.159179 yield of N-waste on food
mu_TX J/mol NaN NaN NaN NaN 424036 422662 443044 442036 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