Bubo virginianus: 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: 2023/10/03
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.911983 0.911983 0.93115 0.93115 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00252344 0.00252344 0.000288742 0.000288742 spec pop growth rate
t2 d NaN NaN NaN NaN 274.684 274.684 2400.57 2400.57 population doubling time
a_b d 18.2493 18.3275 18.228 18.3046 18.158 18.2294 18.158 18.2294 age at birth
t_p d 351.317 NaN 212.715 NaN 139.092 216.185 139.092 216.185 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.388573 0.40106 1 1 0.377442 0.388801 survival probability at puberty
theta_0b - 0.0014878 0.0015642 0.0164017 0.0150167 0.0447965 0.0449688 0.0620222 0.0553248 frac of ind that is embryo
theta_bp - 0.00148749 0.00156387 0.00998595 0.00928021 0.0427813 0.0429381 0.0370712 0.0335298 fraction of individuals that is juvenile
theta_pi - 0.997025 0.996872 0.973612 0.975703 0.912422 0.912093 0.900907 0.911145 frac of ind that is adult
L_bi cm 4.23322 3.93698 4.28619 3.99094 4.18538 3.92844 4.43822 4.15535 mean structural length of post-natals
L2_bi cm^2 17.9411 15.5164 18.4751 16.0034 18.1462 15.9235 20.1677 17.605 mean squared structural length of post-natals
L3_bi cm^3 76.0851 61.1895 79.8377 64.3173 80.2542 65.7188 92.6121 75.2631 mean cubed structural length of post-natals
Ww_bi g 1107.67 832.625 1185.06 892.228 1273.39 974.219 1469.47 1115.7 mean wet weight of post-natals
L_pi cm 4.23699 3.94051 4.31321 4.01331 4.30057 4.03282 4.55233 4.24748 mean structural length of adults
L2_pi cm^2 17.9634 15.5362 18.6361 16.1297 18.8543 16.5329 20.8812 18.1506 mean squared structural length of adults
L3_pi cm^3 76.1908 61.2776 80.6077 64.885 83.7614 68.5643 96.2215 77.8574 mean cubed structural length of adults
Ww_pi g 1109.21 833.823 1196.48 900.103 1329.03 1016.4 1526.74 1154.16 mean wet weight of adults
R 1/d 1.29784e-05 0 0.00157215 0 0.00263187 0 0.00671382 0.000618222 mean reproduction rate of adults
J_X g/d 73.9254 59.4499 77.7258 62.6045 81.9867 66.8979 91.1201 73.9622 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 0.00247011 0.00247896 0.00029347 0.000293821 yield of living structure on food
Y_VX_d mol/mol 8.46211e-05 8.8571e-05 0.000207491 0.000213358 7.48048e-08 8.22677e-08 0.000463704 0.000457063 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0367229 0.0342693 0.00436299 0.0040618 yield of living reserve on food
Y_EX_d mol/mol 0.00114732 0.00111664 0.00287237 0.00274641 1.11211e-06 1.13727e-06 0.00689385 0.00631846 yield of dead reserve on food
Y_CX mol/mol 0.722632 0.722654 0.72113 0.721228 0.691787 0.693774 0.713871 0.714589 yield of CO2 on food
Y_HX mol/mol 0.769325 0.769348 0.767727 0.76783 0.736488 0.738602 0.759999 0.760762 yield of H2O on food
Y_OX mol/mol -0.917187 -0.917214 -0.915281 -0.915405 -0.878038 -0.880559 -0.906068 -0.906978 yield of O2 on food
Y_NX mol/mol 0.166761 0.166766 0.166415 0.166437 0.159643 0.160102 0.16474 0.164905 yield of N-waste on food
mu_TX J/mol 463689 463703 462695 462761 443276 444599 457891 458368 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