Erinaceus europaeus: Population traits

at T = 35 °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: 2023/04/11
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.848865 0.848865 0.869633 0.869633 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00554395 0.00554395 0.00103621 0.00103621 spec pop growth rate
t2 d NaN NaN NaN NaN 125.028 125.028 668.926 668.926 population doubling time
a_b d 6.96957 6.96957 6.96957 6.96957 6.96957 6.96957 6.96957 6.96957 age at birth
t_x d 821.111 583.078 490.062 444.501 255.437 247.93 255.437 247.93 time since birth at weaning
t_p d 54.5724 53.8995 53.0976 52.4552 45.7587 45.2597 45.7587 45.2597 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_x - 1 1 0.682105 0.679277 1 1 0.646251 0.6435 survival probability at weaning
S_p - 1 1 0.078001 0.0765399 1 1 0.0635771 0.0627437 survival probability at puberty
theta_0b - 0.00147717 0.00146317 0.0183516 0.0185857 0.037902 0.037902 0.0840089 0.0852622 frac of ind that is embryo
theta_bx - 0.00147716 0.00146317 0.0151155 0.0152763 0.0364654 0.0364654 0.0668684 0.0677203 fraction of individuals that is baby
theta_xp - 0.172553 0.120946 0.149951 0.140059 0.692178 0.682257 0.35093 0.346924 fraction of individuals that is juvenile
theta_pi - 0.824493 0.876127 0.816582 0.826079 0.233454 0.243375 0.498192 0.500093 frac of ind that is adult
L_bi cm 7.81788 7.90367 7.75062 7.83201 7.04873 7.11219 7.47251 7.53071 mean structural length of post-natals
L2_bi cm^2 61.3859 62.7412 61.4158 62.7353 54.0873 55.1169 62.0094 63.1075 mean squared structural length of post-natals
L3_bi cm^3 483.115 499.205 491.462 507.522 436.95 449.875 540.954 556.352 mean cubed structural length of post-natals
Ww_bi g 724.579 751.442 743.106 770.236 694.223 717.659 859.463 887.514 mean wet weight of post-natals
L_pi cm 7.91558 8.00216 8.10893 8.19749 9.20916 9.29716 9.29286 9.39097 mean structural length of adults
L2_pi cm^2 62.6564 64.0346 65.7548 67.1988 84.8201 86.4515 86.3622 88.1966 mean squared structural length of adults
L3_pi cm^3 495.962 512.416 533.202 550.862 781.331 804.018 802.644 828.369 mean cubed structural length of adults
Ww_pi g 743.846 771.328 806.219 836.009 1241.37 1282.6 1275.24 1321.45 mean wet weight of adults
R 1/d 0.000264393 0.0015979 0.00327151 0.00468409 0.0228457 0.0245851 0.0241394 0.0260607 mean reproduction rate of adults
J_X g/d 39.096 40.3967 40.072 41.3811 40.5808 41.8061 46.5246 47.8669 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.0596939 0.0596584 0.0120483 0.0120437 yield of living structure on food
Y_VX_d mol/mol 0.00269265 0.00266695 0.00677549 0.00673582 6.23291e-09 5.32474e-09 0.0192402 0.0192551 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0351473 0.035511 0.00709393 0.0071689 yield of living reserve on food
Y_EX_d mol/mol 0.0013458 0.00134755 0.00346928 0.00348672 3.66989e-09 3.1695e-09 0.0113285 0.0114614 yield of dead reserve on food
Y_CX mol/mol 0.820093 0.820115 0.814352 0.814372 0.7361 0.735796 0.777846 0.777644 yield of CO2 on food
Y_HX mol/mol 0.699418 0.699437 0.694522 0.69454 0.627785 0.627526 0.663388 0.663216 yield of H2O on food
Y_OX mol/mol -0.964163 -0.964189 -0.957414 -0.957438 -0.865415 -0.865058 -0.914494 -0.914257 yield of O2 on food
Y_NX mol/mol 0.066494 0.0664958 0.0660285 0.0660302 0.0596838 0.0596592 0.0630686 0.0630522 yield of N-waste on food
mu_TX J/mol 462301 462313 459149 459159 416041 415861 439029 438912 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