Athene cunicularia: Population traits

at T = 40.2 °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: 2026/01/03
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.746326 0.746326 0.765721 0.765721 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00617188 0.00617188 0.00144177 0.00144177 spec pop growth rate
t2 d NaN NaN NaN NaN 112.307 112.307 480.763 480.763 population doubling time
a_b d 15.1894 15.203 15.1697 15.183 14.9894 15 14.9894 15 age at birth
t_p d 290.039 NaN 201.911 247.373 84.0682 86.5428 84.0682 86.5428 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.505096 0.510949 1 1 0.432173 0.436142 survival probability at puberty
theta_0b - 0.003669 0.00369495 0.0142194 0.0138713 0.0883847 0.0884443 0.114136 0.111369 frac of ind that is embryo
theta_bp - 0.00366873 0.00369468 0.00980877 0.00962392 0.0805686 0.0806178 0.0714963 0.070068 fraction of individuals that is juvenile
theta_pi - 0.992662 0.99261 0.975972 0.976505 0.831047 0.830938 0.814367 0.818563 frac of ind that is adult
L_bi cm 1.41981 1.39532 1.45157 1.4268 1.69298 1.66871 1.77063 1.7451 mean structural length of post-natals
L2_bi cm^2 2.01747 1.94839 2.11139 2.0397 2.95794 2.87055 3.22233 3.12561 mean squared structural length of post-natals
L3_bi cm^3 2.86826 2.72211 3.07517 2.91951 5.27679 5.03873 5.958 5.68369 mean cubed structural length of post-natals
Ww_bi g 48.9941 45.7384 53.8134 50.2543 118.978 111.728 134.338 126.029 mean wet weight of post-natals
L_pi cm 1.42177 1.39721 1.45732 1.43223 1.76503 1.73878 1.84487 1.81554 mean structural length of adults
L2_pi cm^2 2.02197 1.95269 2.12476 2.05217 3.15602 3.06094 3.42901 3.3193 mean squared structural length of adults
L3_pi cm^3 2.87619 2.72958 3.09904 2.94147 5.70183 5.44197 6.4085 6.10013 mean cubed structural length of adults
Ww_pi g 49.1294 45.864 54.2312 50.6323 128.562 120.669 144.496 135.263 mean wet weight of adults
R 1/d 0.000427492 0 0.00187645 0.000857905 0.015413 0.014229 0.0191096 0.0177197 mean reproduction rate of adults
J_X g/d 6.95847 6.60366 7.47163 7.0928 13.6699 13.036 14.8918 14.1943 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 0.00238243 0.00238558 0.00057683 0.000577312 yield of living structure on food
Y_VX_d mol/mol 0.000100706 0.000101315 0.000199957 0.000199532 6.14286e-07 6.2767e-07 0.000711032 0.000704495 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0513355 0.0505118 0.0124292 0.0122239 yield of living reserve on food
Y_EX_d mol/mol 0.0016195 0.00160104 0.00329917 0.00323506 1.32363e-05 1.32902e-05 0.0153209 0.0149169 yield of dead reserve on food
Y_CX mol/mol 0.722235 0.72225 0.72079 0.720842 0.679976 0.680642 0.700039 0.700539 yield of CO2 on food
Y_HX mol/mol 0.768903 0.768918 0.767364 0.76742 0.723913 0.724622 0.745273 0.745805 yield of H2O on food
Y_OX mol/mol -0.916683 -0.916701 -0.914849 -0.914915 -0.863046 -0.863892 -0.888512 -0.889146 yield of O2 on food
Y_NX mol/mol 0.16667 0.166673 0.166336 0.166348 0.156917 0.157071 0.161548 0.161663 yield of N-waste on food
mu_TX J/mol 463425 463435 462468 462503 435409 435853 448710 449043 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