Gyps rueppellii: 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_minf f_max date: 2023/10/03
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.969671 0.995341 0.99767 0.99767 1 1 scaled functional response
r 1/d 0 0 0.000787109 9.04911e-06 0.000832031 1.76111e-05 spec pop growth rate
t2 d NaN NaN 880.624 76598.4 833.078 39358.6 population doubling time
a_b d 37.018 36.9762 36.9725 36.9725 36.9688 36.9688 age at birth
t_p d 930.011 517.364 506.322 506.322 496.187 496.187 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.350763 1 0.350492 1 0.350223 survival probability at puberty
theta_0b - 0.00234107 0.0392029 0.0287179 0.042191 0.0303241 0.0451249 frac of ind that is embryo
theta_bp - 0.00234024 0.0227332 0.0278844 0.0244499 0.0293952 0.0261333 fraction of individuals that is juvenile
theta_pi - 0.995319 0.938064 0.943398 0.933359 0.940281 0.928742 frac of ind that is adult
L_bi cm 6.36304 6.37709 6.04903 6.37593 6.03406 6.37489 mean structural length of post-natals
L2_bi cm^2 40.598 41.3602 37.7446 41.4018 37.6198 41.4443 mean squared structural length of post-natals
L3_bi cm^3 259.376 270.032 239.361 270.77 238.586 271.515 mean cubed structural length of post-natals
Ww_bi g 6867.26 7331.51 6513.41 7368.1 6506.92 7405.01 mean wet weight of post-natals
L_pi cm 6.37304 6.4826 6.16532 6.48994 6.15657 6.49731 mean structural length of adults
L2_pi cm^2 40.6828 42.2611 38.7252 42.3766 38.653 42.4925 mean squared structural length of adults
L3_pi cm^3 259.963 276.362 246.138 277.63 245.73 278.906 mean cubed structural length of adults
Ww_pi g 6882.79 7503.35 6697.84 7554.79 6701.76 7606.56 mean wet weight of adults
R 1/d 0 0.00153088 0 0.00166301 0 0.00179531 mean reproduction rate of adults
J_X g/d 181.633 189.942 173.743 190.578 173.573 191.219 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 0.00108438 1.28568e-05 0.00114367 2.50063e-05 yield of living structure on food
Y_VX_d mol/mol 9.18474e-05 0.000234491 1.21453e-06 0.000239831 1.07056e-06 0.000245601 yield of dead structure on food
Y_EX mol/mol 0 0 0.0284233 0.000336999 0.0300475 0.000656988 yield of living reserve on food
Y_EX_d mol/mol 0.00233991 0.00613204 3.18348e-05 0.00628638 2.81267e-05 0.00645266 yield of dead reserve on food
Y_CX mol/mol 0.721657 0.71846 0.699631 0.718046 0.698266 0.717636 yield of CO2 on food
Y_HX mol/mol 0.768287 0.764884 0.744838 0.764443 0.743385 0.764007 yield of H2O on food
Y_OX mol/mol -0.915949 -0.911892 -0.887993 -0.911366 -0.886261 -0.910846 yield of O2 on food
Y_NX mol/mol 0.166536 0.165798 0.161453 0.165703 0.161138 0.165608 yield of N-waste on food
mu_TX J/mol 463040 460919 448428 460644 447522 460373 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