Buteo lagopus: Population traits

at T = 40 °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: 2023/10/04
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.913878 0.913878 0.928653 0.928653 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00316406 0.00316406 0.000582366 0.000582366 spec pop growth rate
t2 d NaN NaN NaN NaN 219.069 219.069 1190.23 1190.23 population doubling time
a_b d 20.7198 20.8129 20.6955 20.7872 20.5881 20.6737 20.5881 20.6737 age at birth
t_p d 309.92 NaN 205.771 NaN 126.914 176.064 126.914 176.064 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.439989 0.454159 1 1 0.423856 0.436668 survival probability at puberty
theta_0b - 0.00295803 0.00303581 0.0201487 0.0185021 0.0630894 0.0633444 0.0853315 0.0780236 frac of ind that is embryo
theta_bp - 0.00295774 0.00303553 0.0130376 0.0121584 0.0591045 0.0593276 0.0536267 0.0497407 fraction of individuals that is juvenile
theta_pi - 0.994084 0.993929 0.966814 0.96934 0.877806 0.877328 0.861042 0.872236 frac of ind that is adult
L_bi cm 4.29996 4.05338 4.33316 4.08962 4.23415 4.02429 4.44108 4.21763 mean structural length of post-natals
L2_bi cm^2 18.5178 16.4524 18.8776 16.801 18.5102 16.6644 20.2372 18.177 mean squared structural length of post-natals
L3_bi cm^3 79.8187 66.8348 82.4752 69.1937 82.5437 70.2687 93.4789 79.2668 mean cubed structural length of post-natals
Ww_bi g 719.87 571.875 754.521 600.511 806.823 651.296 913.709 734.696 mean wet weight of post-natals
L_pi cm 4.30654 4.05945 4.36412 4.1156 4.37669 4.15472 4.58952 4.34178 mean structural length of adults
L2_pi cm^2 18.5598 16.4895 19.0754 16.96 19.4503 17.4903 21.2298 18.9727 mean squared structural length of adults
L3_pi cm^3 80.028 67.011 83.4685 69.9543 87.4346 74.3729 98.7328 83.2814 mean cubed structural length of adults
Ww_pi g 721.758 573.383 763.608 607.112 854.629 689.336 965.063 771.906 mean wet weight of adults
R 1/d 5.18612e-06 0 0.00157471 0 0.00342461 0 0.00814627 0.00152952 mean reproduction rate of adults
J_X g/d 51.8143 43.3813 53.6751 45.0167 56.6738 48.0811 61.9616 52.4452 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 0.00460836 0.00462415 0.000878592 0.0008802 yield of living structure on food
Y_VX_d mol/mol 0.000222983 0.00022773 0.000497725 0.000498521 1.76694e-06 1.88351e-06 0.00122153 0.00119076 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0404361 0.0382355 0.0077092 0.00727806 yield of living reserve on food
Y_EX_d mol/mol 0.00178806 0.00172085 0.00405569 0.003828 1.5504e-05 1.55741e-05 0.0107183 0.00984594 yield of dead reserve on food
Y_CX mol/mol 0.721999 0.72205 0.719933 0.720118 0.68702 0.688795 0.706954 0.708037 yield of CO2 on food
Y_HX mol/mol 0.768651 0.768705 0.766452 0.766648 0.731412 0.733302 0.752634 0.753787 yield of H2O on food
Y_OX mol/mol -0.916383 -0.916448 -0.913761 -0.913995 -0.871987 -0.87424 -0.897288 -0.898662 yield of O2 on food
Y_NX mol/mol 0.166615 0.166627 0.166138 0.166181 0.158543 0.158953 0.163143 0.163393 yield of N-waste on food
mu_TX J/mol 463274 463308 461913 462036 440210 441392 453353 454073 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