Taxidea taxus: Population traits

at T = 38 °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: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.834037 0.834037 0.850249 0.850249 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000300699 0.000300699 0.000274672 0.000274672 spec pop growth rate
t2 d NaN NaN NaN NaN 2305.12 2305.12 2523.55 2523.55 population doubling time
a_b d 11.1285 NaN 11.1285 NaN 11.1285 11.1285 11.1285 11.1285 age at birth
t_x d 661.448 NaN 381.296 NaN 183.39 312.683 183.39 312.683 time since birth at weaning
t_p d 66.9664 NaN 65.7866 NaN 57.8175 56.4544 57.8175 56.4544 time since birth at puberty
S_b - 1 NaN 1 NaN 1 1 1 1 survival probability at birth
S_x - 1 NaN 0.417054 NaN 1 1 0.389786 0.384533 survival probability at weaning
S_p - 1 NaN 0.0746921 NaN 1 1 0.0571183 0.0506362 survival probability at puberty
theta_0b - 0.000479919 NaN 0.00508015 NaN 0.0035363 0.0035133 0.053332 0.0564534 frac of ind that is embryo
theta_bx - 0.000479915 NaN 0.00322646 NaN 0.00352446 0.00350154 0.0326878 0.0343758 fraction of individuals that is baby
theta_xp - 0.0280449 NaN 0.016266 NaN 0.0530781 0.0905561 0.0803185 0.113363 fraction of individuals that is juvenile
theta_pi - 0.970995 NaN 0.975427 NaN 0.939861 0.902429 0.833662 0.795808 frac of ind that is adult
L_bi cm 8.03667 NaN 8.16896 NaN 9.52166 9.8573 9.17167 9.46565 mean structural length of post-natals
L2_bi cm^2 64.6223 NaN 66.882 NaN 91.1251 97.6853 86.4759 92.3308 mean squared structural length of post-natals
L3_bi cm^3 519.768 NaN 548.103 NaN 874.288 970.574 824.237 911.083 mean cubed structural length of post-natals
Ww_bi g 3692.74 NaN 3959.09 NaN 7273.49 8328.35 6857.1 7817.86 mean wet weight of post-natals
L_pi cm 8.04854 NaN 8.20498 NaN 9.6454 9.99432 9.64564 9.99436 mean structural length of adults
L2_pi cm^2 64.7791 NaN 67.3217 NaN 93.0345 99.8865 93.0389 99.8873 mean squared structural length of adults
L3_pi cm^3 521.377 NaN 552.374 NaN 897.367 998.298 897.431 998.31 mean cubed structural length of adults
Ww_pi g 3704.17 NaN 3989.93 NaN 7465.48 8566.24 7466.02 8566.34 mean wet weight of adults
R 1/d 3.59219e-05 NaN 0.000574904 NaN 0.00583941 0.00215573 0.00584036 0.00215591 mean reproduction rate of adults
J_X g/d 312.202 NaN 329.399 NaN 527.844 586.062 500.913 553.938 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.000498059 0.000497986 0.000451964 0.000451763 yield of living structure on food
Y_VX_d mol/mol 7.20529e-05 NaN 0.000140927 NaN 3.00694e-05 2.655e-05 0.000771938 0.000772742 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.00364546 0.00377516 0.00330807 0.00342475 yield of living reserve on food
Y_EX_d mol/mol 0.000439853 NaN 0.000877023 NaN 0.000220087 0.000201272 0.00565007 0.00585804 yield of dead reserve on food
Y_CX mol/mol 0.823355 NaN 0.822887 NaN 0.819764 0.819665 0.81441 0.814109 yield of CO2 on food
Y_HX mol/mol 0.7022 NaN 0.701801 NaN 0.699138 0.699053 0.694572 0.694315 yield of H2O on food
Y_OX mol/mol -0.967998 NaN -0.967448 NaN -0.963777 -0.96366 -0.957482 -0.957128 yield of O2 on food
Y_NX mol/mol 0.0667585 NaN 0.0667205 NaN 0.0664673 0.0664593 0.0660332 0.0660088 yield of N-waste on food
mu_TX J/mol 464078 NaN 463807 NaN 462001 461943 458905 458729 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