Chelodina oblonga: Population traits

at T = 27 °C with background hazards for embryo, juv, adult: 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 std f_min f_max date: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.717922 0.717922 0.789735 0.789735 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00116741 0.00116741 0.000282183 0.000282183 spec pop growth rate
t2 d NaN NaN NaN NaN 593.75 593.75 2456.38 2456.38 population doubling time
a_b d 202.032 206.015 199.68 203.462 194.39 197.686 194.39 197.686 age at birth
t_p d 6276.2 3595.12 3712.14 2716.23 2306.72 1818.7 2306.72 1818.7 time since birth at puberty
S_b - 0.999952 0.99994 0.999953 0.999943 0.999957 0.999947 0.999957 0.999947 survival probability at birth
S_p - 0.999725 0.999651 0.465165 0.495758 0.999768 0.99971 0.423973 0.449396 survival probability at puberty
theta_0b - 0.0303507 0.03297 0.238545 0.217411 0.20422 0.207574 0.362404 0.341421 frac of ind that is embryo
theta_bp - 0.0303574 0.0329776 0.161397 0.151854 0.162779 0.164817 0.222526 0.215543 fraction of individuals that is juvenile
theta_pi - 0.939292 0.934052 0.600057 0.630734 0.633001 0.62761 0.41507 0.443036 frac of ind that is adult
L_bi cm 5.91965 5.14513 4.76454 4.37174 4.35169 4.01988 4.09881 3.91233 mean structural length of post-natals
L2_bi cm^2 36.9693 27.7617 27.467 22.2854 22.6119 18.8783 22.2402 19.4026 mean squared structural length of post-natals
L3_bi cm^3 237.986 154.083 176.681 124.637 134.377 100.004 147.855 114.452 mean cubed structural length of post-natals
Ww_bi g 564.706 335.977 443.501 286.489 391.34 264.443 430.593 302.65 mean wet weight of post-natals
L_pi cm 6.04634 5.2577 5.51418 4.95628 4.9378 4.54147 5.21196 4.84661 mean structural length of adults
L2_pi cm^2 38.0336 28.6055 33.7901 26.7317 27.3056 22.7357 31.9367 26.8859 mean squared structural length of adults
L3_pi cm^3 245.411 159.251 222.046 152.821 166.54 123.97 222.48 166.133 mean cubed structural length of adults
Ww_pi g 582.324 347.247 557.375 351.272 485.009 327.819 647.919 439.311 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0.00138151 mean reproduction rate of adults
J_X g/d 1.97164 1.27314 1.61139 1.12422 1.67975 1.20591 1.65214 1.2394 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 0.09339 0.0968108 0.0252534 0.0260582 yield of living structure on food
Y_VX_d mol/mol 0.0262544 0.0276981 0.0508461 0.0529326 0.00214916 0.00255673 0.0582964 0.0602423 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.178586 0.159189 0.0482911 0.0428483 yield of living reserve on food
Y_EX_d mol/mol 0.0360435 0.0326976 0.0767869 0.0687375 0.00410976 0.00420411 0.111478 0.0990583 yield of dead reserve on food
Y_CX mol/mol 0.673016 0.674561 0.619931 0.624776 0.497567 0.51014 0.525936 0.538215 yield of CO2 on food
Y_HX mol/mol 0.715583 0.717226 0.65914 0.664292 0.529037 0.542405 0.559201 0.572255 yield of H2O on food
Y_OX mol/mol -0.854212 -0.856174 -0.786835 -0.792985 -0.631527 -0.647485 -0.667535 -0.683118 yield of O2 on food
Y_NX mol/mol 0.155311 0.155668 0.143061 0.144179 0.114823 0.117725 0.12137 0.124203 yield of N-waste on food
mu_TX J/mol 431970 433071 397863 401192 318644 327205 336929 345240 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