Strix uralensis: 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: 2025/05/30
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.910208 NaN 0.927726 0.927726 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0025625 0.0025625 0.000385236 0.000385236 spec pop growth rate
t2 d NaN NaN NaN NaN 270.496 270.496 1799.28 1799.28 population doubling time
a_b d 19.2398 NaN 19.2152 NaN 19.1225 19.1652 19.1225 19.1652 age at birth
t_p d 296.766 NaN 189.963 NaN 120.243 140.267 120.243 140.267 time since birth at puberty
S_b - 1 NaN 1 NaN 1 1 1 1 survival probability at birth
S_p - 1 NaN 0.422036 NaN 1 1 0.407217 0.413989 survival probability at puberty
theta_0b - 0.00194341 NaN 0.0153065 NaN 0.047831 0.0479353 0.0622814 0.0589367 frac of ind that is embryo
theta_bp - 0.00194306 NaN 0.00969613 NaN 0.0455354 0.0456298 0.0385212 0.0367394 fraction of individuals that is juvenile
theta_pi - 0.996114 NaN 0.974997 NaN 0.906634 0.906435 0.899197 0.904324 frac of ind that is adult
L_bi cm 3.73334 NaN 3.77983 NaN 3.75682 3.64207 3.93424 3.81083 mean structural length of post-natals
L2_bi cm^2 13.9532 NaN 14.349 NaN 14.5144 13.6177 15.7866 14.7836 mean squared structural length of post-natals
L3_bi cm^3 52.1825 NaN 54.5909 NaN 57.0199 51.7291 63.971 57.8732 mean cubed structural length of post-natals
Ww_bi g 595.8 NaN 634.244 NaN 709.63 623.287 796.139 697.317 mean wet weight of post-natals
L_pi cm 3.73724 NaN 3.80062 NaN 3.85708 3.73727 4.02971 3.89666 mean structural length of adults
L2_pi cm^2 13.9744 NaN 14.4629 NaN 15.0852 14.1465 16.3362 15.2652 mean squared structural length of adults
L3_pi cm^3 52.2737 NaN 55.0836 NaN 59.5965 54.0506 66.488 60.0156 mean cubed structural length of adults
Ww_pi g 596.841 NaN 639.967 NaN 741.696 651.259 827.464 723.131 mean wet weight of adults
R 1/d 6.54781e-05 NaN 0.00141016 NaN 0.00347485 0.000980066 0.00651909 0.00368152 mean reproduction rate of adults
J_X g/d 44.3612 NaN 46.4977 NaN 50.6978 45.9187 55.1415 49.8503 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 0.00288205 0.00288675 0.000446923 0.000447236 yield of living structure on food
Y_VX_d mol/mol 0.000119934 NaN 0.000279419 NaN 2.00319e-07 2.09972e-07 0.000646392 0.00063924 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.0329859 0.0318959 0.00511517 0.00494153 yield of living reserve on food
Y_EX_d mol/mol 0.00124943 NaN 0.0029669 NaN 2.29271e-06 2.31999e-06 0.00739815 0.007063 yield of dead reserve on food
Y_CX mol/mol 0.72252 NaN 0.720995 NaN 0.694488 0.69537 0.712577 0.712996 yield of CO2 on food
Y_HX mol/mol 0.769206 NaN 0.767583 NaN 0.739363 0.740301 0.758621 0.759067 yield of H2O on food
Y_OX mol/mol -0.917045 NaN -0.915109 NaN -0.881466 -0.882585 -0.904425 -0.904957 yield of O2 on food
Y_NX mol/mol 0.166735 NaN 0.166384 NaN 0.160266 0.16047 0.164441 0.164538 yield of N-waste on food
mu_TX J/mol 463616 NaN 462609 NaN 445094 445682 457046 457325 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