Pteropus alecto: 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_min f_max date: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.903717 0.903717 0.919473 0.919473 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00164063 0.00164063 0.000469951 0.000469951 spec pop growth rate
t2 d NaN NaN NaN NaN 422.49 422.49 1474.93 1474.93 population doubling time
a_b d 36.8675 NaN 36.8675 NaN 36.8675 36.8675 36.8675 36.8675 age at birth
t_x d 661.149 NaN 484.638 NaN 298.717 333.452 298.717 333.452 time since birth at weaning
t_p d 106.67 NaN 104.553 NaN 95.8657 98.5137 95.8657 98.5137 time since birth at puberty
S_b - 1 NaN 1 NaN 1 1 1 1 survival probability at birth
S_x - 1 NaN 0.519541 NaN 1 1 0.491121 0.500221 survival probability at weaning
S_p - 0.999679 NaN 0.252342 NaN 0.999979 0.999968 0.218874 0.228815 survival probability at puberty
theta_0b - 0.00480682 NaN 0.0185216 NaN 0.0587941 0.0587977 0.0748439 0.0714667 frac of ind that is embryo
theta_bx - 0.00480679 NaN 0.0129979 NaN 0.055343 0.0553463 0.0502412 0.0484132 fraction of individuals that is baby
theta_xp - 0.0813873 NaN 0.064191 NaN 0.309967 0.341983 0.133948 0.146257 fraction of individuals that is juvenile
theta_pi - 0.908999 NaN 0.90429 NaN 0.575896 0.543873 0.740967 0.733863 frac of ind that is adult
L_bi cm 1.77539 NaN 1.79756 NaN 1.84904 1.80362 1.88958 1.84305 mean structural length of post-natals
L2_bi cm^2 3.15558 NaN 3.24051 NaN 3.4738 3.30145 3.62013 3.43927 mean squared structural length of post-natals
L3_bi cm^3 5.61305 NaN 5.85247 NaN 6.59758 6.10511 6.99586 6.4689 mean cubed structural length of post-natals
Ww_bi g 469.988 NaN 498.476 NaN 610.577 549.512 647.436 582.257 mean wet weight of post-natals
L_pi cm 1.78376 NaN 1.81484 NaN 1.97069 1.91743 1.97275 1.91854 mean structural length of adults
L2_pi cm^2 3.18178 NaN 3.29365 NaN 3.88365 3.67655 3.89175 3.68079 mean squared structural length of adults
L3_pi cm^3 5.67552 NaN 5.97746 NaN 7.65359 7.04956 7.67749 7.06176 mean cubed structural length of adults
Ww_pi g 475.219 NaN 509.122 NaN 708.306 634.521 710.518 635.619 mean wet weight of adults
R 1/d 0.000143305 NaN 0.000555619 NaN 0.00268538 0.00194566 0.00271608 0.00196165 mean reproduction rate of adults
J_X g/d 25.3442 NaN 26.4801 NaN 30.8725 28.5276 32.173 29.7186 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.000350608 0.000351105 0.000102189 0.000102295 yield of living structure on food
Y_VX_d mol/mol 2.9338e-05 NaN 5.81184e-05 NaN 7.45233e-07 7.67645e-07 0.000121309 0.000118933 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.0320966 0.0312514 0.00935491 0.00910515 yield of living reserve on food
Y_EX_d mol/mol 0.00242717 NaN 0.00489205 NaN 6.82228e-05 6.8327e-05 0.0111053 0.0105861 yield of dead reserve on food
Y_CX mol/mol 0.821556 NaN 0.819249 NaN 0.793751 0.794532 0.804696 0.805409 yield of CO2 on food
Y_HX mol/mol 0.700666 NaN 0.698699 NaN 0.676952 0.677619 0.686287 0.686895 yield of H2O on food
Y_OX mol/mol -0.965883 NaN -0.963171 NaN -0.933193 -0.934112 -0.946061 -0.9469 yield of O2 on food
Y_NX mol/mol 0.0666126 NaN 0.0664256 NaN 0.0643582 0.0644215 0.0652456 0.0653034 yield of N-waste on food
mu_TX J/mol 463024 NaN 461676 NaN 446782 447239 453175 453592 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