Milnesium tardigradum: 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 - 0.261899 0.29402 0.64701 0.64701 1 1 scaled functional response
r 1/d 0 0 0.010612 0.00271669 0.0196006 0.00439831 spec pop growth rate
t2 d NaN NaN 65.3171 255.144 35.3635 157.594 population doubling time
a_b d 8.03919 7.89694 6.95642 6.95642 6.46941 6.46941 age at birth
t_j d 15.5833 13.5044 5.64906 5.64906 3.68031 3.68031 time since birth at metam
t_p d 236.392 177.562 51.6192 51.6192 31.5099 31.5099 time since birth at puberty
S_b - 0.999997 0.999997 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999977 0.94769 0.999989 0.80412 0.999994 0.779489 survival probability at metam
S_p - 0.999941 0.912207 0.999986 0.777854 0.999989 0.690663 survival probability at puberty
theta_0b - 0.00881777 0.0144788 0.071228 0.0912275 0.118979 0.160608 frac of ind that is embryo
theta_bj - 0.00885268 0.0141495 0.0542122 0.0655971 0.0613501 0.0792531 frac of ind between b and j
theta_jp - 0.00830724 0.00959563 0.0120898 0.0132329 0.0436332 0.049063 frac of ind between j and p
theta_pi - 0.974022 0.961776 0.86247 0.829942 0.776038 0.711076 frac of ind that is adult
L_bi cm 0.00861003 0.00953479 0.0134887 0.0147601 0.0145519 0.0162365 mean structural length of post-natals
L2_bi cm^2 7.42493e-05 9.14007e-05 0.000198191 0.000244743 0.000242314 0.000328951 mean squared structural length of post-natals
L3_bi cm^3 6.41224e-07 8.80277e-07 3.13578e-06 4.43428e-06 4.56048e-06 7.94508e-06 mean cubed structural length of post-natals
Ww_bi g 6.67651e-07 9.21005e-07 3.45505e-06 4.88576e-06 5.27813e-06 9.19533e-06 mean wet weight of post-natals
L_pi cm 0.00863053 0.0095852 0.0139291 0.015426 0.0154384 0.0177278 mean structural length of adults
L2_pi cm^2 7.45805e-05 9.22711e-05 0.000208794 0.000262282 0.000266423 0.000376822 mean squared structural length of adults
L3_pi cm^3 6.45246e-07 8.91621e-07 3.34084e-06 4.81118e-06 5.10783e-06 9.28688e-06 mean cubed structural length of adults
Ww_pi g 6.71839e-07 9.32875e-07 3.68099e-06 5.30103e-06 5.91161e-06 1.07483e-05 mean wet weight of adults
R 1/d 0.0013622 0.00221427 0.0138061 0.01768 0.0262946 0.0381941 mean reproduction rate of adults
J_X g/d 2.29942e-08 3.21287e-08 1.5983e-07 1.97367e-07 3.05148e-07 4.14243e-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 0.208203 0.0610361 0.292934 0.0843586 yield of living structure on food
Y_VX_d mol/mol 0.0330534 0.0474321 0.00146206 0.0927313 0.000426957 0.128352 yield of dead structure on food
Y_EX mol/mol 0 0 0.0211982 0.0062144 0.0460968 0.0132749 yield of living reserve on food
Y_EX_d mol/mol 0.00136223 0.00219458 0.00014886 0.00944145 6.7187e-05 0.0201978 yield of dead reserve on food
Y_CX mol/mol 0.856209 0.840998 0.659613 0.721202 0.5511 0.644442 yield of CO2 on food
Y_HX mol/mol 0.622179 0.611125 0.479318 0.524073 0.400466 0.468294 yield of H2O on food
Y_OX mol/mol -0.931128 -0.914586 -0.717329 -0.784307 -0.599321 -0.700831 yield of O2 on food
Y_NX mol/mol 0.128431 0.12615 0.0989419 0.10818 0.082665 0.0966663 yield of N-waste on food
mu_TX J/mol 455224 447577 355926 387006 300429 347735 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