Plestiodon egregius: 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_min f_max date: 2025/06/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.45167 NaN 0.463288 0.463288 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00597227 0.00597227 0.00204451 0.00204451 spec pop growth rate
t2 d NaN NaN NaN NaN 116.061 116.061 339.028 339.028 population doubling time
a_b d 41.0103 NaN 41.0103 NaN 41.0103 41.0103 41.0103 41.0103 age at birth
t_p d 572.453 NaN 493.356 NaN 114.276 112.723 114.276 112.723 time since birth at puberty
S_b - 0.999998 NaN 0.999998 NaN 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_p - 0.999985 NaN 0.888316 NaN 0.999989 0.999987 0.573113 0.616999 survival probability at puberty
theta_0b - 0.0151951 NaN 0.0221863 NaN 0.217341 0.217367 0.254074 0.225754 frac of ind that is embryo
theta_bp - 0.015195 NaN 0.0208464 NaN 0.170126 0.170146 0.175796 0.162091 fraction of individuals that is juvenile
theta_pi - 0.96961 NaN 0.956967 NaN 0.612534 0.612487 0.57013 0.612155 frac of ind that is adult
L_bi cm 0.582464 NaN 0.595686 NaN 0.870228 0.804678 0.920836 0.860711 mean structural length of post-natals
L2_bi cm^2 0.33947 NaN 0.35519 NaN 0.809323 0.681406 0.923214 0.787968 mean squared structural length of post-natals
L3_bi cm^3 0.197956 NaN 0.211975 NaN 0.796104 0.603128 0.988312 0.757324 mean cubed structural length of post-natals
Ww_bi g 0.347963 NaN 0.376736 NaN 2.13175 1.48604 2.64643 1.86596 mean wet weight of post-natals
L_pi cm 0.583686 NaN 0.597634 NaN 0.953843 0.873293 1.03087 0.941903 mean structural length of adults
L2_pi cm^2 0.3408 NaN 0.357343 NaN 0.943554 0.783885 1.10917 0.914924 mean squared structural length of adults
L3_pi cm^3 0.199044 NaN 0.213763 NaN 0.965022 0.721796 1.23666 0.912152 mean cubed structural length of adults
Ww_pi g 0.349876 NaN 0.379916 NaN 2.58407 1.77842 3.31144 2.24744 mean wet weight of adults
R 1/d 0.000437735 NaN 0.00063641 NaN 0.00903232 0.0070018 0.0114925 0.00881648 mean reproduction rate of adults
J_X g/d 0.011383 NaN 0.0122165 NaN 0.0600838 0.0441394 0.068539 0.0510421 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.079132 0.0816061 0.0294813 0.030335 yield of living structure on food
Y_VX_d mol/mol 0.00668931 NaN 0.00900051 NaN 0.000100557 0.000119094 0.0332028 0.0311283 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.132762 0.119462 0.0494616 0.0444069 yield of living reserve on food
Y_EX_d mol/mol 0.00506903 NaN 0.00699585 NaN 0.000168708 0.00017434 0.0557053 0.0455683 yield of dead reserve on food
Y_CX mol/mol 0.714079 NaN 0.710636 NaN 0.55125 0.560027 0.587254 0.600589 yield of CO2 on food
Y_HX mol/mol 0.759243 NaN 0.755582 NaN 0.586115 0.595447 0.624396 0.638575 yield of H2O on food
Y_OX mol/mol -0.906331 NaN -0.901961 NaN -0.699663 -0.710803 -0.745361 -0.762286 yield of O2 on food
Y_NX mol/mol 0.164787 NaN 0.163993 NaN 0.127212 0.129237 0.13552 0.138597 yield of N-waste on food
mu_TX J/mol 458326 NaN 456149 NaN 353564 359531 376703 385518 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