Graptemys ernsti: 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 - 0.822019 0.822019 0.863198 0.863198 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000685142 0.000685142 0.000164159 0.000164159 spec pop growth rate
t2 d NaN NaN NaN NaN 1011.68 1011.68 4222.41 4222.41 population doubling time
a_b d 159.62 175.32 158.487 173.922 155.215 169.836 155.215 169.836 age at birth
t_p d 15429.8 3684.89 9016.06 3335.52 5616.02 2593.08 5616.02 2593.08 time since birth at puberty
S_b - 0.999994 0.999985 0.999994 0.999986 0.999994 0.999987 0.999994 0.999987 survival probability at birth
S_p - 0.999967 0.999914 0.515008 0.643255 0.99997 0.999924 0.487994 0.609431 survival probability at puberty
theta_0b - 0.011308 0.0155653 0.200955 0.125889 0.101172 0.110564 0.293633 0.208078 frac of ind that is embryo
theta_bp - 0.011315 0.0155785 0.14381 0.100752 0.0910125 0.0984852 0.199691 0.157773 fraction of individuals that is juvenile
theta_pi - 0.977377 0.968856 0.655235 0.773359 0.807815 0.790951 0.506676 0.634149 frac of ind that is adult
L_bi cm 8.03093 4.4739 5.31982 3.70434 4.8856 3.28698 4.01601 3.2362 mean structural length of post-natals
L2_bi cm^2 68.3794 20.9238 38.766 15.9243 29.9621 12.4799 24.5181 13.0455 mean squared structural length of post-natals
L3_bi cm^3 598.867 100.37 325.721 74.5375 213.491 52.7953 194.995 61.2138 mean cubed structural length of post-natals
Ww_bi g 1179.19 153.745 657.168 116.161 465.164 86.9496 424.865 100.814 mean wet weight of post-natals
L_pi cm 8.10568 4.52219 6.14633 3.99589 5.25528 3.50958 4.97835 3.67145 mean structural length of adults
L2_pi cm^2 69.1421 21.2253 46.7393 17.7176 33.0447 13.7525 33.194 15.7384 mean squared structural length of adults
L3_pi cm^3 605.754 101.932 396.363 83.8323 237.064 58.9431 270.259 75.6131 mean cubed structural length of adults
Ww_pi g 1192.75 156.138 799.694 130.646 516.526 97.0744 588.854 124.529 mean wet weight of adults
R 1/d 0 0.00865708 0 0.0056761 0 0.00281223 0 0.00539932 mean reproduction rate of adults
J_X g/d 2.80026 0.470221 1.66706 0.375794 1.49266 0.341187 1.22146 0.35665 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 0.0979936 0.106019 0.0262066 0.0281755 yield of living structure on food
Y_VX_d mol/mol 0.0208656 0.0257403 0.0443641 0.051258 0.00117936 0.00224214 0.0584258 0.0623368 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.11552 0.0685856 0.0308937 0.0182272 yield of living reserve on food
Y_EX_d mol/mol 0.0202196 0.0136882 0.0451441 0.0286234 0.00139029 0.00145048 0.0688753 0.0403268 yield of dead reserve on food
Y_CX mol/mol 0.690251 0.691597 0.650907 0.658729 0.548065 0.578766 0.573807 0.602516 yield of CO2 on food
Y_HX mol/mol 0.733908 0.735339 0.692076 0.700392 0.582729 0.615372 0.610099 0.640624 yield of H2O on food
Y_OX mol/mol -0.876088 -0.877796 -0.826152 -0.836079 -0.695621 -0.734588 -0.728293 -0.764732 yield of O2 on food
Y_NX mol/mol 0.159289 0.159599 0.150209 0.152014 0.126477 0.133561 0.132417 0.139042 yield of N-waste on food
mu_TX J/mol 443173 444313 418158 423710 352441 373332 368849 388254 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