Vulpes vulpes: Population traits

at T = 38.7 °C with background hazards for embryo, baby, juv, adult: 0, 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 stx f_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.929468 0.940075 0.970037 0.970037 1 1 scaled functional response
r 1/d 0 0 0.00280176 0.000352453 0.00389941 0.000581719 spec pop growth rate
t2 d NaN NaN 247.397 1966.64 177.757 1191.55 population doubling time
a_b d 16.2256 16.2256 16.2256 16.2256 16.2256 16.2256 age at birth
t_x d 773.507 493.452 365.779 365.779 314.534 314.534 time since birth at weaning
t_p d 46.8897 46.6295 45.9378 45.9378 45.3037 45.3037 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.382073 1 0.377512 1 0.373252 survival probability at weaning
S_p - 0.999847 0.0588445 0.999989 0.0558478 0.999994 0.0533553 survival probability at puberty
theta_0b - 0.00193027 0.03096 0.0444474 0.0904693 0.0613128 0.132796 frac of ind that is embryo
theta_bx - 0.00193026 0.0188054 0.0424718 0.0543518 0.0575533 0.0790809 fraction of individuals that is baby
theta_xp - 0.0900857 0.0740067 0.570238 0.15861 0.605824 0.198594 fraction of individuals that is juvenile
theta_pi - 0.906054 0.876228 0.342842 0.696569 0.27531 0.589529 frac of ind that is adult
L_bi cm 7.81632 7.74571 7.11036 7.53538 6.94112 7.39541 mean structural length of post-natals
L2_bi cm^2 61.2455 60.8733 53.1358 59.4234 51.4944 58.6946 mean squared structural length of post-natals
L3_bi cm^3 480.486 481.159 407.933 477.398 396.451 479.819 mean cubed structural length of post-natals
Ww_bi g 5975.62 6046.79 5276.94 6175.53 5274.57 6383.74 mean wet weight of post-natals
L_pi cm 7.86795 7.95766 8.20252 8.20991 8.43803 8.45978 mean structural length of adults
L2_pi cm^2 61.9046 63.3244 67.2815 67.4027 71.2015 71.5681 mean squared structural length of adults
L3_pi cm^3 487.062 503.914 551.88 553.371 600.818 605.455 mean cubed structural length of adults
Ww_pi g 6057.41 6332.75 7139.01 7158.3 7993.57 8055.26 mean wet weight of adults
R 1/d 0.000132267 0.00217641 0.00781021 0.00798158 0.0132965 0.0138173 mean reproduction rate of adults
J_X g/d 327.075 328.797 296.152 331.196 295.869 337.238 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 yield of faeces on food
Y_VX mol/mol 0 0 0.00385927 0.000508038 0.00522505 0.000827662 yield of living structure on food
Y_VX_d mol/mol 0.000177496 0.000445847 5.76651e-07 0.000884602 2.80735e-07 0.00131549 yield of dead structure on food
Y_EX mol/mol 0 0 0.0460635 0.00606385 0.0642915 0.010184 yield of living reserve on food
Y_EX_d mol/mol 0.00202996 0.00515717 6.88279e-06 0.0105584 3.4543e-06 0.0161865 yield of dead reserve on food
Y_CX mol/mol 0.821786 0.818645 0.777643 0.807164 0.759522 0.797453 yield of CO2 on food
Y_HX mol/mol 0.700863 0.698184 0.663215 0.688392 0.64776 0.68011 yield of H2O on food
Y_OX mol/mol -0.966154 -0.962461 -0.914256 -0.948963 -0.892951 -0.937546 yield of O2 on food
Y_NX mol/mol 0.0666313 0.0663766 0.0630521 0.0654458 0.0615829 0.0646584 yield of N-waste on food
mu_TX J/mol 463166 461343 437539 454677 427012 449036 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer