Petaurus breviceps: Population traits

at T = 35.9 °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: 2025/07/19
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.802252 0.802252 NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00260742 0.00260742 NaN NaN spec pop growth rate
t2 d NaN NaN NaN NaN 265.836 265.836 NaN NaN population doubling time
a_b d 11.5522 11.5522 NaN NaN 11.5522 11.5522 NaN NaN age at birth
t_x d 959.169 553.984 NaN NaN 332.901 302.342 NaN NaN time since birth at weaning
t_p d 152.827 152.827 NaN NaN 124.951 124.951 NaN NaN time since birth at puberty
S_b - 1 1 NaN NaN 1 1 NaN NaN survival probability at birth
S_x - 1 1 NaN NaN 1 1 NaN NaN survival probability at weaning
S_p - 1 1 NaN NaN 1 1 NaN NaN survival probability at puberty
theta_0b - 0.000926809 0.000926809 NaN NaN 0.0296725 0.0296725 NaN NaN frac of ind that is embryo
theta_bx - 0.000926803 0.000926803 NaN NaN 0.0287918 0.0287918 NaN NaN fraction of individuals that is baby
theta_xp - 0.076025 0.043518 NaN NaN 0.534207 0.500423 NaN NaN fraction of individuals that is juvenile
theta_pi - 0.922121 0.954628 NaN NaN 0.407329 0.441113 NaN NaN frac of ind that is adult
L_bi cm 2.70107 2.70107 NaN NaN 2.53515 2.53515 NaN NaN mean structural length of post-natals
L2_bi cm^2 7.32462 7.32462 NaN NaN 7.18951 7.18951 NaN NaN mean squared structural length of post-natals
L3_bi cm^3 19.8968 19.8968 NaN NaN 21.5279 21.5279 NaN NaN mean cubed structural length of post-natals
Ww_bi g 48.7627 48.7627 NaN NaN 60.4587 60.4587 NaN NaN mean wet weight of post-natals
L_pi cm 2.72651 2.72607 NaN NaN 3.29663 3.27454 NaN NaN mean structural length of adults
L2_pi cm^2 7.43385 7.43146 NaN NaN 10.8784 10.7384 NaN NaN mean squared structural length of adults
L3_pi cm^3 20.2685 20.2587 NaN NaN 35.9313 35.2646 NaN NaN mean cubed structural length of adults
Ww_pi g 49.6736 49.6497 NaN NaN 100.909 99.0368 NaN NaN mean wet weight of adults
R 1/d 8.9763e-05 0.00113186 NaN NaN 0.00621252 0.0069114 NaN NaN mean reproduction rate of adults
J_X g/d 1.48203 1.48203 NaN NaN 1.81326 1.81326 NaN NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 NaN NaN 0.109375 0.109375 NaN NaN yield of faeces on food
Y_VX mol/mol 0 0 NaN NaN 0.0309565 0.0309565 NaN NaN yield of living structure on food
Y_VX_d mol/mol 0.00109825 0.00109825 NaN NaN 1.30464e-09 1.30464e-09 NaN NaN yield of dead structure on food
Y_EX mol/mol 0 0 NaN NaN 0.0559814 0.0559814 NaN NaN yield of living reserve on food
Y_EX_d mol/mol 0.00159333 0.00159333 NaN NaN 2.35929e-09 2.35929e-09 NaN NaN yield of dead reserve on food
Y_CX mol/mol 0.821338 0.821338 NaN NaN 0.743411 0.743411 NaN NaN yield of CO2 on food
Y_HX mol/mol 0.700481 0.700481 NaN NaN 0.63402 0.63402 NaN NaN yield of H2O on food
Y_OX mol/mol -0.965628 -0.965628 NaN NaN -0.87401 -0.87401 NaN NaN yield of O2 on food
Y_NX mol/mol 0.066595 0.066595 NaN NaN 0.0602765 0.0602765 NaN NaN yield of N-waste on food
mu_TX J/mol 462950 462950 NaN NaN 418878 418878 NaN NaN 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