Pteropus rufus: Population traits

at T = 34.8 °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: 2025/06/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.917257 0.926804 0.963402 0.963402 1 1 scaled functional response
r 1/d 0 0 0.00100098 0.00027867 0.00152832 0.000460718 spec pop growth rate
t2 d NaN NaN 692.471 2487.34 453.535 1504.49 population doubling time
a_b d 48.4172 48.4172 48.4172 48.4172 48.4172 48.4172 age at birth
t_x d 832.171 633.553 449.004 449.004 378.85 378.85 time since birth at weaning
t_p d 148.994 147.076 140.523 140.523 135.008 135.008 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.513228 1 0.500246 1 0.488451 survival probability at weaning
S_p - 0.999805 0.235436 0.999976 0.221057 0.999986 0.209504 survival probability at puberty
theta_0b - 0.00431396 0.017828 0.0474265 0.060039 0.0713719 0.0940663 frac of ind that is embryo
theta_bx - 0.00431392 0.0124487 0.0451824 0.0408659 0.0662807 0.0627501 fraction of individuals that is baby
theta_xp - 0.0698282 0.0584031 0.30056 0.12567 0.342173 0.155458 fraction of individuals that is juvenile
theta_pi - 0.921544 0.91132 0.606831 0.773425 0.520174 0.687725 frac of ind that is adult
L_bi cm 2.67822 2.69241 2.6788 2.72873 2.69754 2.76699 mean structural length of post-natals
L2_bi cm^2 7.18138 7.27129 7.27116 7.52923 7.42676 7.80086 mean squared structural length of post-natals
L3_bi cm^3 19.2713 19.6749 19.9135 20.9198 20.7351 22.2517 mean cubed structural length of post-natals
Ww_bi g 584.064 602.296 632.887 664.868 683.245 733.217 mean wet weight of post-natals
L_pi cm 2.69086 2.71884 2.82393 2.82548 2.92562 2.9308 mean structural length of adults
L2_pi cm^2 7.24074 7.3921 7.97463 7.98333 8.5594 8.58964 mean squared structural length of adults
L3_pi cm^3 19.4838 20.0979 22.52 22.5568 25.0425 25.1749 mean cubed structural length of adults
Ww_pi g 590.504 615.246 715.724 716.894 825.179 829.54 mean wet weight of adults
R 1/d 9.65665e-05 0.000403869 0.0015747 0.00159243 0.00273143 0.00279354 mean reproduction rate of adults
J_X g/d 22.5038 23.0227 23.9314 24.7808 25.3721 26.6502 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 0.000832921 0.000235251 0.001249 0.000384679 yield of living structure on food
Y_VX_d mol/mol 7.74762e-05 0.000156118 2.45466e-06 0.000289148 1.0479e-06 0.00043443 yield of dead structure on food
Y_EX mol/mol 0 0 0.0256388 0.00724145 0.0399071 0.0122909 yield of living reserve on food
Y_EX_d mol/mol 0.00227062 0.00462303 7.55588e-05 0.00890049 3.34815e-05 0.0138805 yield of dead reserve on food
Y_CX mol/mol 0.821656 0.819407 0.79927 0.808412 0.785727 0.798862 yield of CO2 on food
Y_HX mol/mol 0.700752 0.698834 0.681659 0.689456 0.670109 0.681312 yield of H2O on food
Y_OX mol/mol -0.966001 -0.963357 -0.939682 -0.95043 -0.92376 -0.939202 yield of O2 on food
Y_NX mol/mol 0.0666208 0.0664384 0.0648056 0.0655469 0.0637076 0.0647726 yield of N-waste on food
mu_TX J/mol 463085 461774 450033 455363 442135 449794 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