Gerbillus pyramidum: Population traits

at T = 36.1 °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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.618404 0.62255 0.811275 0.811275 1 1 scaled functional response
r 1/d 0 0 0.00843164 0.00357405 0.014332 0.00507426 spec pop growth rate
t2 d NaN NaN 82.2079 193.939 48.3635 136.601 population doubling time
a_b d 14.0044 14.0044 14.0044 14.0044 14.0044 14.0044 age at birth
t_x d 521.364 424.765 104.836 104.836 73.4497 73.4497 time since birth at weaning
t_p d 30.0834 29.8519 23.5429 23.5429 20.8014 20.8014 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.646912 1 0.526434 1 0.460988 survival probability at weaning
S_p - 0.998576 0.428838 0.999993 0.259672 0.999998 0.194388 survival probability at puberty
theta_0b - 0.00372087 0.00859099 0.111384 0.148974 0.181854 0.243244 frac of ind that is embryo
theta_bx - 0.00372085 0.00675751 0.0989785 0.100489 0.148783 0.150686 fraction of individuals that is baby
theta_xp - 0.134754 0.110693 0.42255 0.246014 0.383837 0.218666 fraction of individuals that is juvenile
theta_pi - 0.857805 0.873958 0.367087 0.504523 0.285526 0.387404 frac of ind that is adult
L_bi cm 0.62455 0.628032 0.740646 0.753131 0.809749 0.838395 mean structural length of post-natals
L2_bi cm^2 0.390197 0.394666 0.560294 0.580135 0.687692 0.743095 mean squared structural length of post-natals
L3_bi cm^3 0.243846 0.248131 0.430576 0.453977 0.605128 0.683935 mean cubed structural length of post-natals
Ww_bi g 5.45912 5.59062 12.5117 13.1917 21.5335 24.3379 mean wet weight of post-natals
L_pi cm 0.625825 0.630021 0.81883 0.819954 0.986388 0.999677 mean structural length of adults
L2_pi cm^2 0.391657 0.396926 0.670491 0.672329 0.973475 0.99972 mean squared structural length of adults
L3_pi cm^3 0.245109 0.250072 0.549033 0.551287 0.961229 1.00012 mean cubed structural length of adults
Ww_pi g 5.48738 5.63436 15.9538 16.0193 34.2054 35.5892 mean wet weight of adults
R 1/d 0.000309317 0.000701543 0.0204138 0.0205612 0.0410685 0.0432603 mean reproduction rate of adults
J_X g/d 0.966228 0.983849 1.82015 1.88461 2.75371 2.97555 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 0.00199459 0.00086094 0.00314947 0.00116633 yield of living structure on food
Y_VX_d mol/mol 6.76513e-05 0.000114054 2.29866e-07 0.000816317 7.42653e-08 0.00128797 yield of dead structure on food
Y_EX mol/mol 0 0 0.0559643 0.0241563 0.108925 0.0403375 yield of living reserve on food
Y_EX_d mol/mol 0.0014469 0.0024557 6.44958e-06 0.0229042 2.56847e-06 0.0445447 yield of dead reserve on food
Y_CX mol/mol 0.822427 0.821451 0.77021 0.778746 0.720157 0.743042 yield of CO2 on food
Y_HX mol/mol 0.701409 0.700577 0.656876 0.664155 0.614188 0.633705 yield of H2O on food
Y_OX mol/mol -0.966908 -0.96576 -0.905517 -0.915552 -0.846671 -0.873576 yield of O2 on food
Y_NX mol/mol 0.0666833 0.0666041 0.0624495 0.0631415 0.0583911 0.0602466 yield of N-waste on food
mu_TX J/mol 463535 462967 433100 438075 403892 417238 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