Plestiodon septentrionalis: Population traits

at T = 25 °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 stf f_minf f_max date: 2025/02/13
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.921442 0.933148 0.966574 0.966574 1 1 scaled functional response
r 1/d 0 0 0.00318218 0.000825461 0.00428702 0.00130567 spec pop growth rate
t2 d NaN NaN 217.821 839.71 161.685 530.873 population doubling time
a_b d 37.5604 37.5604 37.5604 37.5604 37.5604 37.5604 age at birth
t_p d 763.592 515.249 369.972 369.972 312.685 312.685 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 - 0.999996 0.45196 0.999996 0.443994 0.999996 0.436621 survival probability at puberty
theta_0b - 0.013337 0.0931091 0.1131 0.197125 0.148937 0.252074 frac of ind that is embryo
theta_bp - 0.013337 0.0614223 0.100359 0.125233 0.126786 0.156194 fraction of individuals that is juvenile
theta_pi - 0.973326 0.845469 0.786541 0.677642 0.724277 0.591731 frac of ind that is adult
L_bi cm 0.988468 0.950021 0.853292 0.877223 0.824708 0.841329 mean structural length of post-natals
L2_bi cm^2 0.986487 0.933601 0.772773 0.828795 0.731608 0.779987 mean squared structural length of post-natals
L3_bi cm^3 0.990006 0.934074 0.728154 0.817676 0.682729 0.767845 mean cubed structural length of post-natals
Ww_bi g 8.84985 8.44407 6.79225 7.62732 6.56515 7.38363 mean wet weight of post-natals
L_pi cm 0.995995 0.987899 0.905959 0.959886 0.891694 0.94956 mean structural length of adults
L2_pi cm^2 0.99733 0.987902 0.846287 0.947329 0.824999 0.936062 mean squared structural length of adults
L3_pi cm^3 1.00237 0.995984 0.809724 0.953487 0.786495 0.948424 mean cubed structural length of adults
Ww_pi g 8.96036 9.00373 7.55313 8.89417 7.56297 9.12009 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.270181 0.258944 0.222015 0.23811 0.217457 0.231837 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 0.0104368 0.00283466 0.0134596 0.00432441 yield of living structure on food
Y_VX_d mol/mol 0.00141078 0.00310596 7.49673e-05 0.0047729 4.11204e-05 0.00620903 yield of dead structure on food
Y_EX mol/mol 0 0 0.086918 0.0236071 0.115968 0.0372593 yield of living reserve on food
Y_EX_d mol/mol 0.0112004 0.024972 0.000624331 0.0397489 0.000354295 0.0534972 yield of dead reserve on food
Y_CX mol/mol 0.713386 0.700819 0.643964 0.665975 0.618152 0.641335 yield of CO2 on food
Y_HX mol/mol 0.758506 0.745145 0.684693 0.708096 0.657248 0.681898 yield of H2O on food
Y_OX mol/mol -0.905452 -0.889502 -0.817339 -0.845276 -0.784577 -0.814002 yield of O2 on food
Y_NX mol/mol 0.164628 0.161728 0.148607 0.153687 0.14265 0.148 yield of N-waste on food
mu_TX J/mol 457601 449320 411844 426350 394811 410095 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