Homopus signatus: 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: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.501007 0.501007 0.527112 0.527112 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000950505 0.000950505 0.000394884 0.000394884 spec pop growth rate
t2 d NaN NaN NaN NaN 729.241 729.241 1755.32 1755.32 population doubling time
a_b d 289.14 301.316 286.639 298.72 257.203 267.816 257.203 267.816 age at birth
t_p d 7946.71 6.8959e+22 5906.51 6.8959e+22 1543.85 2193.74 1543.85 2193.74 time since birth at puberty
S_b - 0.999976 0.999966 0.999977 0.999967 0.999983 0.999976 0.999983 0.999976 survival probability at birth
S_p - 0.999839 0.999761 0.845312 0.910287 0.999897 0.999847 0.677059 0.738955 survival probability at puberty
theta_0b - 0.0212735 0.025236 0.0514878 0.0415289 0.21708 0.225071 0.259313 0.228323 frac of ind that is embryo
theta_bp - 0.0213085 0.0252878 0.0473366 0.0396643 0.170129 0.17465 0.192965 0.176767 fraction of individuals that is juvenile
theta_pi - 0.957418 0.949476 0.901176 0.918807 0.612791 0.600279 0.547722 0.59491 frac of ind that is adult
L_bi cm 2.58196 2.07876 2.60335 2.14265 2.76054 2.44692 2.81562 2.56993 mean structural length of post-natals
L2_bi cm^2 6.74102 4.33913 6.91997 4.62398 8.29284 6.32684 8.89891 7.12131 mean squared structural length of post-natals
L3_bi cm^3 17.7558 9.09074 18.6992 10.0419 27.0116 17.2814 31.3848 21.2137 mean cubed structural length of post-natals
Ww_bi g 21.917 10.7639 23.3098 11.9864 39.6466 23.6299 46.0656 29.0068 mean wet weight of post-natals
L_pi cm 2.60125 2.08946 2.64967 2.16245 3.01685 2.63799 3.16287 2.80265 mean structural length of adults
L2_pi cm^2 6.82555 4.37978 7.12768 4.70113 9.65502 7.2334 10.8505 8.2869 mean squared structural length of adults
L3_pi cm^3 18.0386 9.20719 19.4129 10.2691 32.7726 20.6306 40.2624 25.8123 mean cubed structural length of adults
Ww_pi g 22.2659 10.9018 24.1995 12.2576 48.1024 28.2095 59.0956 35.2949 mean wet weight of adults
R 1/d 1.40228e-06 0 0.000127131 0 0.00191469 0.000708817 0.00234862 0.00102051 mean reproduction rate of adults
J_X g/d 0.0581916 0.0294175 0.062849 0.0329822 0.142887 0.0856143 0.15333 0.0963651 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 0.179684 0.191861 0.0808281 0.0869291 yield of living structure on food
Y_VX_d mol/mol 0.0270825 0.0297777 0.044279 0.0422114 0.000785545 0.00107555 0.0901631 0.0831962 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.08405 0.0704826 0.0378085 0.0319346 yield of living reserve on food
Y_EX_d mol/mol 0.00634687 0.00548064 0.0109176 0.0081739 0.00036745 0.000395119 0.0421751 0.0305633 yield of dead reserve on food
Y_CX mol/mol 0.696471 0.694985 0.678786 0.682695 0.508412 0.509284 0.519716 0.534626 yield of CO2 on food
Y_HX mol/mol 0.740522 0.738942 0.721717 0.725874 0.540568 0.541495 0.552587 0.56844 yield of H2O on food
Y_OX mol/mol -0.883983 -0.882097 -0.861535 -0.866497 -0.645292 -0.646399 -0.659639 -0.678564 yield of O2 on food
Y_NX mol/mol 0.160724 0.160381 0.156643 0.157545 0.117326 0.117527 0.119934 0.123375 yield of N-waste on food
mu_TX J/mol 447625 446770 436712 439210 330110 331314 337161 347043 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