Microtus agrestis: Population traits

at T = 37.6 °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 - 0.440998 0.440998 0.446019 0.446019 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0175824 0.0175824 0.00478756 0.00478756 spec pop growth rate
t2 d NaN NaN NaN NaN 39.4228 39.4228 144.781 144.781 population doubling time
a_b d 12.0367 NaN 12.0367 NaN 12.0367 12.0367 12.0367 12.0367 age at birth
t_x d 273.204 NaN 239.697 NaN 35.8779 41.1794 35.8779 41.1794 time since birth at weaning
t_p d 25.4415 NaN 24.9943 NaN 13.263 13.263 13.263 13.263 time since birth at puberty
S_b - 1 NaN 1 NaN 1 1 1 1 survival probability at birth
S_x - 1 NaN 0.82013 NaN 1 1 0.444323 0.444323 survival probability at weaning
S_p - 0.998448 NaN 0.693407 NaN 0.999998 0.999997 0.227514 0.210112 survival probability at puberty
theta_0b - 0.00581891 NaN 0.00833867 NaN 0.190748 0.190748 0.235499 0.235499 frac of ind that is embryo
theta_bx - 0.00581887 NaN 0.00746133 NaN 0.154364 0.154364 0.145311 0.145311 fraction of individuals that is baby
theta_xp - 0.126204 NaN 0.110787 NaN 0.224259 0.262589 0.124505 0.14281 fraction of individuals that is juvenile
theta_pi - 0.862158 NaN 0.873413 NaN 0.430629 0.392299 0.494685 0.476381 frac of ind that is adult
L_bi cm 0.574612 NaN 0.580951 NaN 0.996037 0.996037 1.06685 1.06685 mean structural length of post-natals
L2_bi cm^2 0.330211 NaN 0.337551 NaN 1.05268 1.05268 1.21547 1.21547 mean squared structural length of post-natals
L3_bi cm^3 0.189778 NaN 0.196152 NaN 1.16239 1.16239 1.44449 1.44449 mean cubed structural length of post-natals
Ww_bi g 1.84435 NaN 1.92577 NaN 24.1428 24.1428 30.002 30.002 mean wet weight of post-natals
L_pi cm 0.575326 NaN 0.581877 NaN 1.19611 1.21163 1.25497 1.26334 mean structural length of adults
L2_pi cm^2 0.331 NaN 0.33858 NaN 1.43816 1.47355 1.58075 1.60015 mean squared structural length of adults
L3_pi cm^3 0.190433 NaN 0.197012 NaN 1.73781 1.79855 1.99762 2.0315 mean cubed structural length of adults
Ww_pi g 1.85072 NaN 1.93422 NaN 36.0942 37.3557 41.4905 42.1941 mean wet weight of adults
R 1/d 0.000559805 NaN 0.000792386 NaN 0.033043 0.0333245 0.0384215 0.038145 mean reproduction rate of adults
J_X g/d 0.455524 NaN 0.470951 NaN 3.29291 3.29291 3.80213 3.80213 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 0.00620655 0.00620655 0.00181887 0.00181887 yield of living structure on food
Y_VX_d mol/mol 0.000203281 NaN 0.000270546 NaN 5.74039e-07 5.74039e-07 0.00217221 0.00217221 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.122703 0.122703 0.035959 0.035959 yield of living reserve on food
Y_EX_d mol/mol 0.0017723 NaN 0.00238561 NaN 1.13487e-05 1.13487e-05 0.0429444 0.0429444 yield of dead reserve on food
Y_CX mol/mol 0.822001 NaN 0.821371 NaN 0.704576 0.704576 0.747151 0.747151 yield of CO2 on food
Y_HX mol/mol 0.701046 NaN 0.700509 NaN 0.600899 0.600899 0.63721 0.63721 yield of H2O on food
Y_OX mol/mol -0.966406 NaN -0.965666 NaN -0.828352 -0.828352 -0.878407 -0.878407 yield of O2 on food
Y_NX mol/mol 0.0666487 NaN 0.0665977 NaN 0.0571278 0.0571278 0.0605798 0.0605798 yield of N-waste on food
mu_TX J/mol 463292 NaN 462928 NaN 394934 394934 419717 419717 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