Struthio camelus: Population traits

at T = 38.62 °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: 2023/10/02
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.992227 0.993554 0.996777 0.996777 1 1 scaled functional response
r 1/d 0 0 0.00143867 0.000152646 0.00189713 0.000254706 spec pop growth rate
t2 d NaN NaN 481.798 4540.87 365.366 2721.36 population doubling time
a_b d 27.7974 27.796 27.7927 27.7927 27.7895 27.7895 age at birth
t_p d 1402.89 922.38 751.53 751.53 677.477 677.477 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.332303 1 0.332005 1 0.33171 survival probability at puberty
theta_0b - 0.00146929 0.0364242 0.0392044 0.0971292 0.0513659 0.138436 frac of ind that is embryo
theta_bp - 0.00146895 0.0206277 0.0376591 0.0547721 0.0487169 0.0778331 fraction of individuals that is juvenile
theta_pi - 0.997062 0.942948 0.923137 0.848099 0.899917 0.783731 frac of ind that is adult
L_bi cm 15.165 14.8135 13.1992 14.0126 12.699 13.4186 mean structural length of post-natals
L2_bi cm^2 230.545 223.54 184.108 206.922 172.751 194.662 mean squared structural length of post-natals
L3_bi cm^3 3508.87 3394.51 2641.04 3113.15 2435.86 2906.66 mean cubed structural length of post-natals
Ww_bi g 115498 111879 87318.7 102928 80787.5 96402.2 mean wet weight of post-natals
L_pi cm 15.1814 15.053 13.5721 14.6678 13.1668 14.3671 mean structural length of adults
L2_pi cm^2 230.86 228.094 190.93 219.295 181.19 212.471 mean squared structural length of adults
L3_pi cm^3 3513.93 3467.41 2745.86 3310.17 2563.85 3189.13 mean cubed structural length of adults
Ww_pi g 115664 114281 90784.2 109442 85032.4 105771 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 3225.63 3131.79 2587.72 2908.38 2435.94 2744.92 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 0.00146831 0.000163394 0.00189707 0.000269715 yield of living structure on food
Y_VX_d mol/mol 5.82876e-05 0.000150643 3.13399e-12 0.00028985 1.03797e-12 0.000439818 yield of dead structure on food
Y_EX mol/mol 0 0 0.0470774 0.00523877 0.061021 0.00867563 yield of living reserve on food
Y_EX_d mol/mol 0.0018603 0.00481436 1.00483e-10 0.00929324 3.33872e-11 0.0141472 yield of dead reserve on food
Y_CX mol/mol 0.722074 0.719599 0.684189 0.711457 0.672512 0.704513 yield of CO2 on food
Y_HX mol/mol 0.768731 0.766096 0.728399 0.757428 0.715966 0.750035 yield of H2O on food
Y_OX mol/mol -0.916478 -0.913337 -0.868394 -0.903003 -0.853573 -0.894189 yield of O2 on food
Y_NX mol/mol 0.166632 0.166061 0.15789 0.164182 0.155195 0.16258 yield of N-waste on food
mu_TX J/mol 463316 461673 438168 456269 430416 451659 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