Trionyx triunguis: Population traits

at T = 20 °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_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.973925 0.979914 0.989957 0.989957 1 1 scaled functional response
r 1/d 0 0 0.000393604 6.29993e-05 0.000471309 0.000100113 spec pop growth rate
t2 d NaN NaN 1761.03 11002.5 1470.69 6923.64 population doubling time
a_b d 143.051 142.969 142.834 142.834 142.702 142.702 age at birth
t_p d 23818.1 13737.9 11203.2 11203.2 9974.53 9974.53 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_p - 0.999997 0.365872 0.999997 0.364812 0.999997 0.363771 survival probability at puberty
theta_0b - 0.00632158 0.296048 0.0548489 0.345754 0.0651555 0.365212 frac of ind that is embryo
theta_bp - 0.00632336 0.178341 0.0518643 0.206278 0.0609338 0.216528 fraction of individuals that is juvenile
theta_pi - 0.987355 0.525611 0.893287 0.447968 0.873911 0.418261 frac of ind that is adult
L_bi cm 18.6518 9.72893 11.0321 7.43217 10.2237 6.59623 mean structural length of post-natals
L2_bi cm^2 365.22 156.061 153.295 101.003 134.229 81.629 mean squared structural length of post-natals
L3_bi cm^3 7297.1 2927.35 2399.8 1754.09 2015.56 1351.75 mean cubed structural length of post-natals
Ww_bi g 26189.4 10552.9 8715.18 6370.22 7373.6 4945.16 mean wet weight of post-natals
L_pi cm 18.7582 12.3656 11.5542 9.95261 10.7943 8.9966 mean structural length of adults
L2_pi cm^2 367.532 207.684 161.95 145.708 143.293 121.857 mean squared structural length of adults
L3_pi cm^3 7343.78 3917.89 2538.61 2558.12 2155.47 2047.38 mean cubed structural length of adults
Ww_pi g 26356.9 14123.8 9219.29 9290.17 7885.44 7490.01 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 52.7626 22.6844 22.5108 14.8319 19.911 12.1085 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 0.0294396 0.00522736 0.0334733 0.00784128 yield of living structure on food
Y_VX_d mol/mol 0.00540158 0.0128726 0.000330205 0.0161598 0.000229492 0.0186866 yield of dead structure on food
Y_EX mol/mol 0 0 0.129488 0.0229922 0.148724 0.0348392 yield of living reserve on food
Y_EX_d mol/mol 0.0233737 0.0560448 0.00145239 0.0710777 0.00101964 0.0830258 yield of dead reserve on food
Y_CX mol/mol 0.700253 0.667637 0.593056 0.629824 0.574583 0.606314 yield of CO2 on food
Y_HX mol/mol 0.744583 0.709961 0.630794 0.669823 0.611187 0.644869 yield of H2O on food
Y_OX mol/mol -0.888782 -0.847386 -0.752724 -0.799392 -0.729278 -0.769552 yield of O2 on food
Y_NX mol/mol 0.161597 0.15407 0.136859 0.145344 0.132596 0.139919 yield of N-waste on food
mu_TX J/mol 449058 427720 378919 402975 366819 387582 yield of heat on food

Remarks

  • Reprod-code O 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