Mastomys natalensis: Population traits

at T = 36.2 °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: 2023/04/15
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.742366 0.742366 0.755808 0.755808 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0151855 0.0151855 0.00655963 0.00655963 spec pop growth rate
t2 d NaN NaN NaN NaN 45.6452 45.6452 105.669 105.669 population doubling time
a_b d 14.0587 14.0587 14.0587 14.0587 14.0587 14.0587 14.0587 14.0587 age at birth
t_x d 457.904 200.437 339.286 185.496 112.296 96.319 112.296 96.319 time since birth at weaning
t_p d 25.6291 23.83 25.2527 23.5289 21.0051 20.0465 21.0051 20.0465 time since birth at puberty
S_b - 0.999999 1 0.999999 1 1 1 1 1 survival probability at birth
S_x - 0.999995 0.999996 0.566576 0.530991 0.999996 0.999996 0.473081 0.449104 survival probability at weaning
S_p - 0.923112 0.995381 0.274826 0.234769 0.99935 0.999661 0.17275 0.153033 survival probability at puberty
theta_0b - 0.0152916 0.0147315 0.0496402 0.0565884 0.1924 0.192376 0.284022 0.30649 frac of ind that is embryo
theta_bx - 0.0152914 0.0147314 0.0365526 0.0403167 0.155412 0.155393 0.175174 0.184327 fraction of individuals that is baby
theta_xp - 0.47356 0.195068 0.345736 0.189878 0.506048 0.465679 0.31698 0.281886 fraction of individuals that is juvenile
theta_pi - 0.495857 0.775469 0.568071 0.713217 0.14614 0.186552 0.223823 0.227297 frac of ind that is adult
L_bi cm 1.01162 1.1085 1.01654 1.10851 1.07764 1.1441 1.0826 1.13377 mean structural length of post-natals
L2_bi cm^2 1.02676 1.23398 1.04108 1.24183 1.22289 1.39251 1.25279 1.39817 mean squared structural length of post-natals
L3_bi cm^3 1.04456 1.37758 1.07163 1.40066 1.44315 1.77461 1.52081 1.82982 mean cubed structural length of post-natals
Ww_bi g 11.2322 16.135 11.7126 16.677 20.4029 27.3828 21.5009 28.2346 mean wet weight of post-natals
L_pi cm 1.02699 1.12798 1.04558 1.14836 1.36672 1.48151 1.37383 1.49701 mean structural length of adults
L2_pi cm^2 1.05471 1.27233 1.09325 1.31874 1.8681 2.19573 1.88755 2.24177 mean squared structural length of adults
L3_pi cm^3 1.08317 1.43516 1.14308 1.51439 2.55366 3.25552 2.59358 3.35814 mean cubed structural length of adults
Ww_pi g 11.6474 16.8095 12.4935 18.0312 36.1031 50.2337 36.6675 51.8172 mean wet weight of adults
R 1/d 0.0021867 0.0246661 0.00620709 0.0294001 0.0839948 0.115312 0.0861542 0.120517 mean reproduction rate of adults
J_X g/d 1.55718 2.05555 1.60748 2.10609 2.49825 3.12466 2.55935 3.13734 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 0.00877212 0.00862446 0.00389785 0.00382583 yield of living structure on food
Y_VX_d mol/mol 0.000768246 0.000742519 0.00144833 0.00146301 1.54686e-05 1.37725e-05 0.00436722 0.00452985 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.115246 0.124454 0.0512091 0.0552079 yield of living reserve on food
Y_EX_d mol/mol 0.00749276 0.00795429 0.0143815 0.0159564 0.000203223 0.000198742 0.0573757 0.0653672 yield of dead reserve on food
Y_CX mol/mol 0.816187 0.815784 0.809186 0.807715 0.708909 0.700534 0.715742 0.704567 yield of CO2 on food
Y_HX mol/mol 0.696087 0.695743 0.690116 0.688862 0.604595 0.597453 0.610423 0.600892 yield of H2O on food
Y_OX mol/mol -0.959571 -0.959097 -0.95134 -0.949611 -0.833447 -0.823601 -0.84148 -0.828342 yield of O2 on food
Y_NX mol/mol 0.0661773 0.0661446 0.0656096 0.0654904 0.0574791 0.0568001 0.0580331 0.0571271 yield of N-waste on food
mu_TX J/mol 459921 459684 455862 455003 397596 392692 401566 395036 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