Crotaphytus collaris: 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: 2023/01/08
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.469708 0.469708 0.479668 0.479668 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00795976 0.00795976 0.00250768 0.00250768 spec pop growth rate
t2 d NaN NaN NaN NaN 87.0814 87.0814 276.41 276.41 population doubling time
a_b d 21.1332 21.1332 21.1332 21.1332 21.1332 21.1332 21.1332 21.1332 age at birth
t_p d 313.105 397.131 442.83 503.785 86.7943 83.7416 86.7943 83.7416 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 0.999998 0.999999 0.887087 0.864838 0.999999 0.999999 0.549953 0.538991 survival probability at puberty
theta_0b - 0.00792066 0.00781475 0.0109227 0.011548 0.154866 0.154864 0.191038 0.198663 frac of ind that is embryo
theta_bp - 0.00792065 0.00781475 0.0102448 0.0106862 0.130888 0.130886 0.132907 0.136823 fraction of individuals that is juvenile
theta_pi - 0.984159 0.984371 0.978832 0.977766 0.714247 0.71425 0.676055 0.664515 frac of ind that is adult
L_bi cm 1.06432 1.10232 1.08594 1.12444 1.75669 1.79955 1.8573 1.89797 mean structural length of post-natals
L2_bi cm^2 1.13296 1.21541 1.17957 1.26488 3.24996 3.42301 3.65713 3.84096 mean squared structural length of post-natals
L3_bi cm^3 1.20621 1.34041 1.28159 1.42335 6.25647 6.79167 7.49602 8.11957 mean cubed structural length of post-natals
Ww_bi g 2.58023 2.92277 2.77244 3.13924 21.4296 23.8609 25.6753 28.5262 mean wet weight of post-natals
L_pi cm 1.06524 1.10348 1.08733 1.12625 1.87949 1.92905 2.01136 2.06663 mean structural length of adults
L2_pi cm^2 1.13481 1.2178 1.18241 1.26864 3.62758 3.82972 4.14778 4.39026 mean squared structural length of adults
L3_pi cm^3 1.20902 1.34411 1.28593 1.42924 7.16274 7.79148 8.7209 9.52664 mean cubed structural length of adults
Ww_pi g 2.58625 2.93082 2.78185 3.15224 24.5337 27.3735 29.8707 33.4696 mean wet weight of adults
R 1/d 0.000413871 0.000759244 0.000611868 0.000973071 0.0119674 0.012941 0.0146219 0.0158465 mean reproduction rate of adults
J_X g/d 0.208414 0.231703 0.221591 0.246245 1.27281 1.38927 1.43228 1.5589 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.0391259 0.0389125 0.0131243 0.0130613 yield of living structure on food
Y_VX_d mol/mol 0.00220218 0.00217486 0.00285878 0.00294859 1.92554e-05 1.84727e-05 0.0147708 0.0150491 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0948877 0.0977975 0.0318289 0.0328265 yield of living reserve on food
Y_EX_d mol/mol 0.00250857 0.00256742 0.00332558 0.00355462 4.6698e-05 4.64267e-05 0.0358219 0.0378225 yield of dead reserve on food
Y_CX mol/mol 0.719805 0.71978 0.718608 0.718349 0.614693 0.612503 0.646002 0.643391 yield of CO2 on food
Y_HX mol/mol 0.765331 0.765304 0.764058 0.763783 0.653571 0.651243 0.68686 0.684084 yield of H2O on food
Y_OX mol/mol -0.913599 -0.913567 -0.912079 -0.911751 -0.780188 -0.777408 -0.819925 -0.816611 yield of O2 on food
Y_NX mol/mol 0.166109 0.166103 0.165833 0.165773 0.141852 0.141347 0.149077 0.148475 yield of N-waste on food
mu_TX J/mol 461913 461895 461149 460981 393791 392323 414070 412342 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