Eurycea longicauda: Population traits

at T = 15 °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: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.452066 0.48678 0.74339 0.74339 1 1 scaled functional response
r 1/d 0 0 0.00295653 0.000909838 0.00441767 0.00129645 spec pop growth rate
t2 d NaN NaN 234.446 761.836 156.903 534.649 population doubling time
a_b d 67.0764 66.2922 62.1685 62.1685 59.6723 59.6723 age at birth
t_p d 2883.17 1821.24 728.711 728.711 514.856 514.856 time since birth at puberty
S_b - 0.99999 0.99999 0.999992 0.999992 0.999993 0.999993 survival probability at birth
S_p - 0.999936 0.659014 0.999953 0.552065 0.99996 0.489795 survival probability at puberty
theta_0b - 0.0175404 0.0929547 0.168142 0.270172 0.231784 0.345419 frac of ind that is embryo
theta_bp - 0.0175543 0.0751658 0.139979 0.189297 0.178138 0.223614 fraction of individuals that is juvenile
theta_pi - 0.964905 0.83188 0.691879 0.540531 0.590078 0.430967 frac of ind that is adult
L_bi cm 0.519686 0.502588 0.483109 0.481285 0.488745 0.482926 mean structural length of post-natals
L2_bi cm^2 0.275923 0.269172 0.265715 0.28084 0.281895 0.302398 mean squared structural length of post-natals
L3_bi cm^3 0.148515 0.149907 0.162034 0.18935 0.187048 0.234428 mean cubed structural length of post-natals
Ww_bi g 0.229575 0.23801 0.307466 0.3593 0.412884 0.517469 mean wet weight of post-natals
L_pi cm 0.524818 0.526477 0.529684 0.562282 0.557178 0.599638 mean structural length of adults
L2_pi cm^2 0.279913 0.288347 0.306439 0.357142 0.346046 0.424398 mean squared structural length of adults
L3_pi cm^3 0.15097 0.162217 0.191472 0.250068 0.237912 0.346868 mean cubed structural length of adults
Ww_pi g 0.233371 0.257555 0.363326 0.474514 0.525159 0.765664 mean wet weight of adults
R 1/d 0 0.000744269 0.0105763 0.0170279 0.0203904 0.0319608 mean reproduction rate of adults
J_X g/d 0.00268276 0.00281808 0.00424838 0.00449021 0.00606287 0.00650385 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 0.112762 0.0383674 0.136292 0.04673 yield of living structure on food
Y_VX_d mol/mol 0.0176017 0.0349716 0.000658978 0.0594589 0.000274887 0.071063 yield of dead structure on food
Y_EX mol/mol 0 0 0.101209 0.0344364 0.164554 0.0564202 yield of living reserve on food
Y_EX_d mol/mol 0.00960717 0.0205535 0.000591461 0.053367 0.000331889 0.0857991 yield of dead reserve on food
Y_CX mol/mol 0.79866 0.772467 0.624748 0.652121 0.544985 0.583317 yield of CO2 on food
Y_HX mol/mol 0.682099 0.659729 0.533568 0.556946 0.465447 0.498184 yield of H2O on food
Y_OX mol/mol -0.938965 -0.908171 -0.734501 -0.766682 -0.640726 -0.685791 yield of O2 on food
Y_NX mol/mol 0.0647562 0.0626325 0.0506552 0.0528746 0.044188 0.047296 yield of N-waste on food
mu_TX J/mol 450515 436069 353619 368844 308139 329613 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