Pheucticus ludovicianus: Population traits

at T = 41.6 °C with background hazards for embryo, juv, adult: 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 std f_min f_max date: 2023/10/03
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.867614 0.867614 0.872745 0.872745 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00617773 0.00617773 0.00157413 0.00157413 spec pop growth rate
t2 d NaN NaN NaN NaN 112.201 112.201 440.338 440.338 population doubling time
a_b d 7.77838 7.79535 7.77355 7.79043 7.66829 7.68337 7.66829 7.68337 age at birth
t_p d 94.1122 NaN 72.6766 NaN 29.6266 31.5832 29.6266 31.5832 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.555004 0.562771 1 1 0.508553 0.515006 survival probability at puberty
theta_0b - 0.000825211 0.000834149 0.00305092 0.00296582 0.0462667 0.0463555 0.052518 0.0508054 frac of ind that is embryo
theta_bp - 0.000825274 0.000834217 0.00222261 0.002176 0.044128 0.0442087 0.0361909 0.0352317 fraction of individuals that is juvenile
theta_pi - 0.99835 0.998332 0.994726 0.994858 0.909605 0.909436 0.911291 0.913963 frac of ind that is adult
L_bi cm 1.809 1.77237 1.81823 1.78151 1.96914 1.93275 2.01859 1.98092 mean structural length of post-natals
L2_bi cm^2 3.27313 3.1419 3.30755 3.1752 3.93416 3.78749 4.1192 3.96391 mean squared structural length of post-natals
L3_bi cm^3 5.92311 5.57043 6.01866 5.66085 7.93727 7.49208 8.46199 7.98193 mean cubed structural length of post-natals
Ww_bi g 27.0125 25.0021 27.575 25.5247 40.5104 37.6149 43.1884 40.0743 mean wet weight of post-natals
L_pi cm 1.80957 1.77292 1.81982 1.783 2.00872 1.97089 2.05377 2.01378 mean structural length of adults
L2_pi cm^2 3.2748 3.14349 3.3122 3.17949 4.05992 3.90697 4.23135 4.06717 mean squared structural length of adults
L3_pi cm^3 5.92683 5.57391 6.02904 5.67027 8.24592 7.78078 8.73868 8.23269 mean cubed structural length of adults
Ww_pi g 27.0295 25.0177 27.6226 25.5671 42.0856 39.0644 44.6006 41.3333 mean wet weight of adults
R 1/d 0.000172912 0 0.000735668 0 0.0122161 0.00994951 0.014571 0.0121324 mean reproduction rate of adults
J_X g/d 6.5739 6.18242 6.68231 6.28489 9.1072 8.58995 9.53554 8.99007 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 0.00538413 0.00538817 0.0013969 0.0013976 yield of living structure on food
Y_VX_d mol/mol 9.58664e-05 9.66916e-05 0.000188193 0.000187831 8.23984e-08 8.42221e-08 0.00150412 0.00147979 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0220955 0.0216638 0.00573263 0.00561925 yield of living reserve on food
Y_EX_d mol/mol 0.000341335 0.000337295 0.000674028 0.000659097 3.38148e-07 3.38626e-07 0.00617264 0.00594971 yield of dead reserve on food
Y_CX mol/mol 0.723278 0.72328 0.722932 0.722945 0.701305 0.701653 0.711603 0.711895 yield of CO2 on food
Y_HX mol/mol 0.770012 0.770015 0.769645 0.769658 0.74662 0.74699 0.757583 0.757895 yield of H2O on food
Y_OX mol/mol -0.918006 -0.918009 -0.917568 -0.917584 -0.890118 -0.890559 -0.903188 -0.903559 yield of O2 on food
Y_NX mol/mol 0.16691 0.166911 0.166831 0.166833 0.16184 0.16192 0.164216 0.164283 yield of N-waste on food
mu_TX J/mol 464119 464121 463894 463902 449757 449989 456488 456681 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