Sauromalus ater: Population traits

at T = 32 °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_min f_max date: 2025/05/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.727037 0.727037 0.885165 0.885165 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00166027 0.00166027 0.000318066 0.000318066 spec pop growth rate
t2 d NaN NaN NaN NaN 417.49 417.49 2179.26 2179.26 population doubling time
a_b d 71.3599 70.3003 68.9842 67.9557 67.5476 66.5404 67.5476 66.5404 age at birth
t_p d 1618.88 989.579 1014.2 692.27 812.844 574.263 812.844 574.263 time since birth at puberty
S_b - 0.999628 0.999673 0.999661 0.999702 0.99968 0.999719 0.99968 0.999719 survival probability at birth
S_p - 0.997652 0.997953 0.801815 0.784131 0.998048 0.998299 0.776801 0.758833 survival probability at puberty
theta_0b - 0.0413528 0.038642 0.11458 0.119842 0.117222 0.114486 0.147669 0.154424 frac of ind that is embryo
theta_bp - 0.041412 0.0386942 0.102708 0.106206 0.104872 0.102594 0.127529 0.131827 fraction of individuals that is juvenile
theta_pi - 0.917235 0.922664 0.782712 0.773953 0.777906 0.78292 0.724802 0.71375 frac of ind that is adult
L_bi cm 2.94928 3.17819 2.93785 3.09257 2.90714 3.06914 2.94025 3.07178 mean structural length of post-natals
L2_bi cm^2 9.07521 10.6125 9.38224 10.5609 9.16419 10.339 9.5736 10.632 mean squared structural length of post-natals
L3_bi cm^3 28.9227 36.8614 32.2148 39.2232 31.1194 37.8664 34.1824 40.9101 mean cubed structural length of post-natals
Ww_bi g 38.5274 50.2161 45.2395 56.5242 45.3334 56.7358 49.7956 61.2963 mean wet weight of post-natals
L_pi cm 3.00233 3.23664 3.08784 3.2692 3.05472 3.23226 3.13922 3.30288 mean structural length of adults
L2_pi cm^2 9.34273 10.9238 10.1903 11.5623 9.95623 11.257 10.6813 11.9825 mean squared structural length of adults
L3_pi cm^3 29.9759 38.1684 35.6811 43.7951 34.5089 42.029 39.1504 47.3464 mean cubed structural length of adults
Ww_pi g 39.9304 51.9966 50.1073 63.1128 50.2712 62.9727 57.0328 70.9399 mean wet weight of adults
R 1/d 0 0.00551956 0.0029563 0.00943855 0.0042594 0.0108541 0.00554514 0.0122568 mean reproduction rate of adults
J_X g/d 0.484215 0.617752 0.609475 0.748458 0.672542 0.827789 0.702587 0.851246 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 0.0768229 0.0759475 0.0154746 0.015286 yield of living structure on food
Y_VX_d mol/mol 0.0543488 0.0525366 0.080483 0.0790618 0.0182827 0.0169673 0.0776424 0.0764743 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0350896 0.0378459 0.00706818 0.00761724 yield of living reserve on food
Y_EX_d mol/mol 0.0180482 0.0190337 0.0325399 0.0348735 0.00835079 0.00845507 0.0354639 0.0381084 yield of dead reserve on food
Y_CX mol/mol 0.66481 0.665482 0.631802 0.63106 0.611064 0.61052 0.613418 0.611926 yield of CO2 on food
Y_HX mol/mol 0.706858 0.707572 0.671762 0.670974 0.649713 0.649134 0.652215 0.650629 yield of H2O on food
Y_OX mol/mol -0.843798 -0.84465 -0.801902 -0.800961 -0.775582 -0.774891 -0.778569 -0.776675 yield of O2 on food
Y_NX mol/mol 0.153418 0.153573 0.1458 0.145629 0.141015 0.140889 0.141558 0.141214 yield of N-waste on food
mu_TX J/mol 427912 428269 407247 406682 394173 393702 395641 394580 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