Hyaena hyaena: Population traits

at T = 37 °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 - 0.963442 0.974152 0.987076 0.987076 1 1 scaled functional response
r 1/d 0 0 0.00127832 0.000146435 0.0016153 0.000249224 spec pop growth rate
t2 d NaN NaN 542.233 4733.48 429.115 2781.22 population doubling time
a_b d 50.1055 50.1055 50.1055 50.1055 50.1055 50.1055 age at birth
t_x d 1630.13 1042.86 889.567 889.567 805.761 805.761 time since birth at weaning
t_p d 289.673 286.559 283 283 279.642 279.642 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.357844 1 0.356211 1 0.354625 survival probability at weaning
S_p - 0.998397 0.0571046 0.999818 0.0563886 0.999873 0.0557177 survival probability at puberty
theta_0b - 0.00519499 0.0775509 0.0621215 0.132898 0.0777906 0.171846 frac of ind that is embryo
theta_bx - 0.00519494 0.0454772 0.0582667 0.0772486 0.0717419 0.0992139 fraction of individuals that is baby
theta_xp - 0.163757 0.13204 0.579643 0.188973 0.599917 0.21892 fraction of individuals that is juvenile
theta_pi - 0.825853 0.744932 0.299969 0.60088 0.250551 0.51002 frac of ind that is adult
L_bi cm 7.54772 7.25809 6.55955 6.94729 6.3669 6.71999 mean structural length of post-natals
L2_bi cm^2 57.3255 54.5827 45.7291 51.456 43.6117 49.2178 mean squared structural length of post-natals
L3_bi cm^3 436.758 416.428 329.778 391.591 311.461 374.338 mean cubed structural length of post-natals
Ww_bi g 46150.4 44486.7 35693 42383.2 34147.8 41041.4 mean wet weight of post-natals
L_pi cm 7.67587 7.76015 7.84292 7.85982 7.92683 7.95763 mean structural length of adults
L2_pi cm^2 58.919 60.2199 61.5121 61.7769 62.8366 63.3246 mean squared structural length of adults
L3_pi cm^3 452.254 467.316 482.446 485.558 498.126 503.925 mean cubed structural length of adults
Ww_pi g 47787.8 49923 52216.7 52553.6 54613.3 55249 mean wet weight of adults
R 1/d 0.00012435 0.00207847 0.00399979 0.0043979 0.00594905 0.00668263 mean reproduction rate of adults
J_X g/d 867.644 835.314 709.106 797.912 685.128 773.198 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 0.000594499 7.18659e-05 0.000734319 0.00012066 yield of living structure on food
Y_VX_d mol/mol 5.43246e-05 0.000133882 1.16581e-06 0.000179534 7.06244e-07 0.000228099 yield of dead structure on food
Y_EX mol/mol 0 0 0.0637501 0.00770642 0.0797744 0.0131082 yield of living reserve on food
Y_EX_d mol/mol 0.00568592 0.0141687 0.000125013 0.019252 7.67245e-05 0.02478 yield of dead reserve on food
Y_CX mol/mol 0.818518 0.810598 0.764193 0.798659 0.749286 0.788459 yield of CO2 on food
Y_HX mol/mol 0.698076 0.691321 0.651744 0.681139 0.639031 0.672439 yield of H2O on food
Y_OX mol/mol -0.962312 -0.953001 -0.898443 -0.938964 -0.880917 -0.926972 yield of O2 on food
Y_NX mol/mol 0.0663664 0.0657242 0.0619616 0.0647561 0.0607529 0.0639291 yield of N-waste on food
mu_TX J/mol 461249 456622 429512 449647 420802 443688 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