Plestiodon fasciatus: 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: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.440558 0.452547 0.726273 0.726273 1 1 scaled functional response
r 1/d 0 0 0.00604688 0.00212536 0.00937714 0.00266702 spec pop growth rate
t2 d NaN NaN 114.629 326.132 73.9188 259.896 population doubling time
a_b d 31.3321 31.3321 31.3321 31.3321 31.3321 31.3321 age at birth
t_p d 368.341 485.042 166.343 166.343 122.644 122.644 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 0.999997 0.67487 0.999998 0.481029 0.999998 0.407303 survival probability at puberty
theta_0b - 0.0115386 0.0249726 0.172689 0.228314 0.254602 0.336105 frac of ind that is embryo
theta_bp - 0.0115386 0.0201341 0.142883 0.145379 0.189786 0.194426 fraction of individuals that is juvenile
theta_pi - 0.976923 0.954893 0.684428 0.626307 0.555613 0.469469 frac of ind that is adult
L_bi cm 0.368444 0.377082 0.492307 0.509893 0.542206 0.574891 mean structural length of post-natals
L2_bi cm^2 0.135879 0.142445 0.253662 0.274007 0.322289 0.373785 mean squared structural length of post-natals
L3_bi cm^3 0.0501484 0.0538836 0.135235 0.152627 0.205602 0.264065 mean cubed structural length of post-natals
Ww_bi g 0.422911 0.46531 1.79238 2.02289 3.67456 4.71942 mean wet weight of post-natals
L_pi cm 0.369452 0.379063 0.529807 0.557001 0.615824 0.681108 mean structural length of adults
L2_pi cm^2 0.136534 0.143752 0.285987 0.315495 0.395329 0.485882 mean squared structural length of adults
L3_pi cm^3 0.0504706 0.0545365 0.15688 0.181115 0.26334 0.359367 mean cubed structural length of adults
Ww_pi g 0.425628 0.470948 2.07926 2.40046 4.70647 6.42268 mean wet weight of adults
R 1/d 0.000366469 0.00092214 0.0111756 0.0135677 0.017551 0.025102 mean reproduction rate of adults
J_X g/d 0.0303514 0.0326839 0.0934071 0.100899 0.163407 0.189516 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 0.00875469 0.00321497 0.0117985 0.00371614 yield of living structure on food
Y_VX_d mol/mol 0.000625484 0.00102688 9.22499e-06 0.00361867 3.38309e-06 0.00483451 yield of dead structure on food
Y_EX mol/mol 0 0 0.107279 0.0393957 0.199067 0.0626994 yield of living reserve on food
Y_EX_d mol/mol 0.00464934 0.00784072 0.000113042 0.0443426 5.70801e-05 0.0815688 yield of dead reserve on food
Y_CX mol/mol 0.719347 0.716428 0.629256 0.650043 0.552255 0.599468 yield of CO2 on food
Y_HX mol/mol 0.764844 0.76174 0.669056 0.691157 0.587184 0.637383 yield of H2O on food
Y_OX mol/mol -0.913017 -0.909312 -0.798672 -0.825055 -0.70094 -0.760863 yield of O2 on food
Y_NX mol/mol 0.166003 0.16533 0.145213 0.15001 0.127444 0.138339 yield of N-waste on food
mu_TX J/mol 461529 459606 401966 415707 350862 382126 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