Myodes gapperi: 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 - 0.962881 0.965943 0.982972 0.982972 1 1 scaled functional response
r 1/d 0 0 0.00444922 0.00238326 0.00636426 0.00370245 spec pop growth rate
t2 d NaN NaN 155.791 290.84 108.912 187.213 population doubling time
a_b d 10.9046 10.9046 10.9046 10.9046 10.9046 10.9046 age at birth
t_x d 578.321 473.712 317.252 317.252 260.012 260.012 time since birth at weaning
t_p d 17.3761 17.3326 17.0991 17.0991 16.8793 16.8793 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.582556 1 0.574852 1 0.567483 survival probability at weaning
S_p - 0.999912 0.324755 0.999998 0.313607 0.999999 0.303019 survival probability at puberty
theta_0b - 0.0088233 0.0262898 0.0476371 0.0773117 0.0671074 0.11107 frac of ind that is embryo
theta_bx - 0.00882324 0.0195975 0.0453808 0.0558362 0.0626077 0.0786054 fraction of individuals that is baby
theta_xp - 0.459108 0.372545 0.679262 0.493061 0.69271 0.512056 fraction of individuals that is juvenile
theta_pi - 0.523245 0.581567 0.22772 0.373791 0.177575 0.298268 frac of ind that is adult
L_bi cm 0.824137 0.822327 0.815446 0.815429 0.815835 0.813882 mean structural length of post-natals
L2_bi cm^2 0.680227 0.678324 0.670156 0.671127 0.672979 0.671556 mean squared structural length of post-natals
L3_bi cm^3 0.562056 0.560752 0.553924 0.556024 0.559712 0.559619 mean cubed structural length of post-natals
Ww_bi g 17.6173 17.6305 17.7131 17.7802 18.1985 18.1955 mean wet weight of post-natals
L_pi cm 0.830099 0.83274 0.84742 0.84742 0.8621 0.8621 mean structural length of adults
L2_pi cm^2 0.689065 0.693455 0.71812 0.71812 0.743216 0.743216 mean squared structural length of adults
L3_pi cm^3 0.571993 0.577468 0.608549 0.608549 0.640726 0.640727 mean cubed structural length of adults
Ww_pi g 17.9287 18.1561 19.4599 19.4599 20.8327 20.8327 mean wet weight of adults
R 1/d 0.00155716 0.00415816 0.0187236 0.0187236 0.0334645 0.0334646 mean reproduction rate of adults
J_X g/d 3.52897 3.53029 3.54927 3.55441 3.62596 3.61829 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 yield of faeces on food
Y_VX mol/mol 0 0 0.000694377 0.000372819 0.000982401 0.000572636 yield of living structure on food
Y_VX_d mol/mol 0.000132315 0.000244679 4.70219e-06 0.000367212 1.09131e-06 0.000512217 yield of dead structure on food
Y_EX mol/mol 0 0 0.0215101 0.011549 0.0309595 0.0180461 yield of living reserve on food
Y_EX_d mol/mol 0.00401501 0.00744822 0.000145662 0.0113753 3.43915e-05 0.0161421 yield of dead reserve on food
Y_CX mol/mol 0.819992 0.816712 0.80315 0.801939 0.794249 0.791201 yield of CO2 on food
Y_HX mol/mol 0.699332 0.696535 0.684969 0.683936 0.677378 0.674778 yield of H2O on food
Y_OX mol/mol -0.964044 -0.960189 -0.944244 -0.94282 -0.933779 -0.930195 yield of O2 on food
Y_NX mol/mol 0.0664858 0.0662199 0.0651203 0.0650221 0.0643986 0.0641514 yield of N-waste on food
mu_TX J/mol 462114 460202 452295 451589 447105 445328 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