Deirochelys reticularia: Population traits

at T = 22 °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: 2023/04/09
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.723372 0.723372 0.818934 0.818934 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0010115 0.0010115 0.000133312 0.000133312 spec pop growth rate
t2 d NaN NaN NaN NaN 685.267 685.267 5199.45 5199.45 population doubling time
a_b d 168.95 178.202 166.775 175.352 163.637 171.175 163.637 171.175 age at birth
t_p d 5579.81 NaN 2649.5 NaN 1816.61 2075.46 1816.61 2075.46 time since birth at puberty
S_b - 0.999996 0.999992 0.999996 0.999992 0.999996 0.999993 0.999996 0.999993 survival probability at birth
S_p - 0.999975 0.99995 0.415313 0.499974 0.999978 0.999959 0.386583 0.457614 survival probability at puberty
theta_0b - 0.0163296 0.0204725 0.214414 0.149432 0.152815 0.159521 0.319024 0.244212 frac of ind that is embryo
theta_bp - 0.0163336 0.0204794 0.136877 0.104606 0.129525 0.13419 0.192699 0.16011 fraction of individuals that is juvenile
theta_pi - 0.967337 0.959048 0.648709 0.745962 0.71766 0.706289 0.488277 0.595678 frac of ind that is adult
L_bi cm 6.21025 4.07164 5.34731 3.98437 4.70034 3.62979 4.82782 3.9986 mean structural length of post-natals
L2_bi cm^2 39.8521 16.9514 34.2934 17.353 26.5729 14.9038 31.6225 18.8782 mean squared structural length of post-natals
L3_bi cm^3 260.063 71.5055 238.824 79.3171 169.919 66.828 243.133 98.0371 mean cubed structural length of post-natals
Ww_bi g 733.143 155.181 730.661 184.396 597.223 174.936 854.55 256.632 mean wet weight of post-natals
L_pi cm 6.28475 4.12259 6.10214 4.30686 5.21307 3.9851 6.02221 4.60997 mean structural length of adults
L2_pi cm^2 40.4697 17.2522 40.8576 19.3844 30.7335 17.1398 42.7975 23.1432 mean squared structural length of adults
L3_pi cm^3 264.352 72.9276 287.989 89.7489 199.363 78.451 336.645 122.957 mean cubed structural length of adults
Ww_pi g 745.234 158.268 881.075 208.648 700.71 205.362 1183.22 321.867 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0.0024507 0 mean reproduction rate of adults
J_X g/d 2.81145 0.769292 2.7389 0.891553 2.59153 0.93502 3.084 1.18436 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 0.066321 0.0722942 0.0105099 0.0110351 yield of living structure on food
Y_VX_d mol/mol 0.0110004 0.0128008 0.0245587 0.0271209 0.000455293 0.000756378 0.0298395 0.0320996 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.16678 0.116951 0.0264297 0.0178515 yield of living reserve on food
Y_EX_d mol/mol 0.0200108 0.0149796 0.0505765 0.0359297 0.00114495 0.0012236 0.0750388 0.0519277 yield of dead reserve on food
Y_CX mol/mol 0.698436 0.701061 0.662585 0.672404 0.532938 0.568263 0.608406 0.63189 yield of CO2 on food
Y_HX mol/mol 0.742611 0.745402 0.704493 0.714932 0.566645 0.604204 0.646886 0.671856 yield of H2O on food
Y_OX mol/mol -0.886477 -0.889808 -0.840974 -0.853436 -0.676421 -0.721256 -0.772207 -0.802015 yield of O2 on food
Y_NX mol/mol 0.161178 0.161783 0.152904 0.15517 0.122986 0.131138 0.140401 0.145821 yield of N-waste on food
mu_TX J/mol 448128 449966 424942 431606 340751 364579 389666 405438 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