Macrobiotus hufelandii: Population traits

at T = 20 °C with background hazards for embryo, larva, 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 abj f_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.241422 0.272002 0.636001 0.636001 1 1 scaled functional response
r 1/d 0 0 0.00840071 0.00229601 0.0136283 0.00335887 spec pop growth rate
t2 d NaN NaN 82.5105 301.893 50.8609 206.363 population doubling time
a_b d 33.3653 32.7079 28.4038 28.4038 26.4636 26.4636 age at birth
t_j d 30.367 25.9816 10.5665 10.5665 7.25955 7.25955 time since birth at metam
t_p d 155.924 124.016 41.8857 41.8857 27.9469 27.9469 time since birth at puberty
S_b - 0.999921 0.999926 0.99995 0.99995 0.999959 0.999959 survival probability at birth
S_j - 0.999488 0.902847 0.999884 0.779487 0.999924 0.75634 survival probability at metam
S_p - 0.999418 0.887307 0.999699 0.604769 0.999774 0.493441 survival probability at puberty
theta_0b - 0.0367097 0.0539758 0.213252 0.242143 0.303047 0.348092 frac of ind that is embryo
theta_bj - 0.0334644 0.0408268 0.0672636 0.0763377 0.0657657 0.0787936 frac of ind between b and j
theta_jp - 0.00330322 0.00995148 0.100826 0.0966449 0.14561 0.139525 frac of ind between j and p
theta_pi - 0.926523 0.895246 0.618658 0.584875 0.485577 0.433589 frac of ind that is adult
L_bi cm 0.00748689 0.00826209 0.0115595 0.012517 0.0125023 0.0136974 mean structural length of post-natals
L2_bi cm^2 5.6133e-05 6.86403e-05 0.000145427 0.000176628 0.000177748 0.000231967 mean squared structural length of post-natals
L3_bi cm^3 4.21424e-07 5.7312e-07 1.97816e-06 2.75608e-06 2.85978e-06 4.73891e-06 mean cubed structural length of post-natals
Ww_bi g 4.83335e-07 6.67981e-07 2.74374e-06 3.82273e-06 4.6e-06 7.6226e-06 mean wet weight of post-natals
L_pi cm 0.00751687 0.0083441 0.0126515 0.0140018 0.0144726 0.0166214 mean structural length of adults
L2_pi cm^2 5.65624e-05 6.9898e-05 0.000169435 0.000212182 0.00022721 0.000317165 mean squared structural length of adults
L3_pi cm^3 4.26042e-07 5.87657e-07 2.39786e-06 3.44519e-06 3.87851e-06 6.87164e-06 mean cubed structural length of adults
Ww_pi g 4.88631e-07 6.84924e-07 3.32586e-06 4.77853e-06 6.23864e-06 1.10531e-05 mean wet weight of adults
R 1/d 0.00124786 0.00192836 0.011215 0.0145049 0.019716 0.0291186 mean reproduction rate of adults
J_X g/d 1.13661e-08 1.5876e-08 8.25475e-08 1.00258e-07 1.60236e-07 2.09111e-07 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 0.201314 0.0631167 0.243228 0.0761195 yield of living structure on food
Y_VX_d mol/mol 0.0457023 0.0621686 0.00293251 0.100411 0.0010514 0.119051 yield of dead structure on food
Y_EX mol/mol 0 0 0.0779118 0.0244272 0.148008 0.0463198 yield of living reserve on food
Y_EX_d mol/mol 0.00671408 0.01029 0.00113493 0.0388608 0.000639794 0.0724445 yield of dead reserve on food
Y_CX mol/mol 0.838209 0.818166 0.607331 0.663809 0.497698 0.57669 yield of CO2 on food
Y_HX mol/mol 0.609098 0.594534 0.441328 0.482368 0.36166 0.419061 yield of H2O on food
Y_OX mol/mol -0.911552 -0.889756 -0.660473 -0.721892 -0.541246 -0.62715 yield of O2 on food
Y_NX mol/mol 0.125731 0.122725 0.0910997 0.0995713 0.0746546 0.0865035 yield of N-waste on food
mu_TX J/mol 445956 435756 326901 355928 268604 309594 yield of heat on food

Remarks

  • Reprod-code Apf 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