Microtus xanthognathus: Population traits

at T = 37.5 °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: 2025/11/21
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.96299 NaN 0.981495 NaN 1 1 scaled functional response
r 1/d 0 0 0.00413697 NaN 0.00629823 NaN spec pop growth rate
t2 d NaN NaN 167.55 NaN 110.054 NaN population doubling time
a_b d 8.70862 NaN 8.70862 NaN 8.70862 NaN age at birth
t_x d 491.726 NaN 345.303 NaN 290.117 NaN time since birth at weaning
t_p d 11.597 NaN 11.5362 NaN 11.4783 NaN time since birth at puberty
S_b - 1 NaN 1 NaN 1 NaN survival probability at birth
S_x - 0.999999 NaN 0.999999 NaN 0.999999 NaN survival probability at weaning
S_p - 0.841873 NaN 0.965286 NaN 0.983193 NaN survival probability at puberty
theta_0b - 0.0136939 NaN 0.0388426 NaN 0.0550543 NaN frac of ind that is embryo
theta_bx - 0.0136939 NaN 0.0374678 NaN 0.0521157 NaN fraction of individuals that is baby
theta_xp - 0.736728 NaN 0.764476 NaN 0.765956 NaN fraction of individuals that is juvenile
theta_pi - 0.235884 NaN 0.159213 NaN 0.126874 NaN frac of ind that is adult
L_bi cm 1.40571 NaN 1.33738 NaN 1.30398 NaN mean structural length of post-natals
L2_bi cm^2 2.00505 NaN 1.8573 NaN 1.79014 NaN mean squared structural length of post-natals
L3_bi cm^3 2.88193 NaN 2.63291 NaN 2.52922 NaN mean cubed structural length of post-natals
Ww_bi g 126.008 NaN 117.281 NaN 114.739 NaN mean wet weight of post-natals
L_pi cm 1.46577 NaN 1.49392 NaN 1.52202 NaN mean structural length of adults
L2_pi cm^2 2.14847 NaN 2.2318 NaN 2.31655 NaN mean squared structural length of adults
L3_pi cm^3 3.14916 NaN 3.33413 NaN 3.52583 NaN mean cubed structural length of adults
Ww_pi g 137.692 NaN 148.517 NaN 159.95 NaN mean wet weight of adults
R 1/d 0.00666355 NaN 0.0275096 NaN 0.0484705 NaN mean reproduction rate of adults
J_X g/d 14.6456 NaN 13.8271 NaN 13.5784 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 NaN 0.00078775 NaN 0.00117316 NaN yield of living structure on food
Y_VX_d mol/mol 0.000342747 NaN 0.000101249 NaN 5.43981e-05 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.034302 NaN 0.0520478 NaN yield of living reserve on food
Y_EX_d mol/mol 0.0146433 NaN 0.00440884 NaN 0.00241339 NaN yield of dead reserve on food
Y_CX mol/mol 0.809966 NaN 0.787198 NaN 0.772316 NaN yield of CO2 on food
Y_HX mol/mol 0.690782 NaN 0.671364 NaN 0.658672 NaN yield of H2O on food
Y_OX mol/mol -0.952257 NaN -0.92549 NaN -0.907993 NaN yield of O2 on food
Y_NX mol/mol 0.0656729 NaN 0.0638269 NaN 0.0626202 NaN yield of N-waste on food
mu_TX J/mol 456263 NaN 442978 NaN 434293 NaN 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