Phrynosoma douglasii: Population traits

at T = 35 °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: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.482781 0.482781 0.509782 0.509782 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00733234 0.00733234 0.00153423 0.00153423 spec pop growth rate
t2 d NaN NaN NaN NaN 94.5329 94.5329 451.79 451.79 population doubling time
a_b d 26.9827 26.9827 26.7673 26.7673 24.5104 24.5104 24.5104 24.5104 age at birth
t_p d 478.091 1.96793e+21 328.345 1.96793e+21 94.6491 365.003 94.6491 365.003 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 0.999998 0.999998 0.682871 0.682871 0.999999 0.999999 0.483316 0.483316 survival probability at puberty
theta_0b - 0.00718073 0.00718073 0.0234409 0.0234409 0.164472 0.164472 0.22602 0.22602 frac of ind that is embryo
theta_bp - 0.00718499 0.00718499 0.0192115 0.0192115 0.137456 0.137456 0.150036 0.150036 fraction of individuals that is juvenile
theta_pi - 0.985634 0.985634 0.957348 0.957348 0.698073 0.698073 0.623944 0.623944 frac of ind that is adult
L_bi cm 1.17796 1.17796 1.23067 1.23067 1.59158 1.59158 1.76816 1.76816 mean structural length of post-natals
L2_bi cm^2 1.39082 1.39082 1.52331 1.52331 2.79974 2.79974 3.54613 3.54613 mean squared structural length of post-natals
L3_bi cm^3 1.64489 1.64489 1.89294 1.89294 5.3008 5.3008 7.66828 7.66828 mean cubed structural length of post-natals
Ww_bi g 2.79721 2.79721 3.2932 3.2932 12.9926 12.9926 18.7955 18.7955 mean wet weight of post-natals
L_pi cm 1.18115 1.18115 1.24044 1.24044 1.73988 1.73988 1.99526 1.99526 mean structural length of adults
L2_pi cm^2 1.39695 1.39695 1.54275 1.54275 3.21111 3.21111 4.23386 4.23386 mean squared structural length of adults
L3_pi cm^3 1.6539 1.6539 1.9226 1.9226 6.22476 6.22476 9.3733 9.3733 mean cubed structural length of adults
Ww_pi g 2.81253 2.81253 3.3448 3.3448 15.2573 15.2573 22.9746 22.9746 mean wet weight of adults
R 1/d 0.000235378 0 0.000889504 0 0.00994566 0 0.0152106 0 mean reproduction rate of adults
J_X g/d 0.129325 0.129325 0.149567 0.149567 0.539237 0.539237 0.682994 0.682994 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 0.0720783 0.0720783 0.0172254 0.0172254 yield of living structure on food
Y_VX_d mol/mol 0.00350402 0.00350402 0.00661053 0.00661053 1.83454e-05 1.83454e-05 0.0242752 0.0242752 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.104591 0.104591 0.0249953 0.0249953 yield of living reserve on food
Y_EX_d mol/mol 0.00245473 0.00245473 0.00489 0.00489 2.66204e-05 2.66204e-05 0.0352249 0.0352249 yield of dead reserve on food
Y_CX mol/mol 0.718791 0.718791 0.714289 0.714289 0.580053 0.580053 0.640985 0.640985 yield of CO2 on food
Y_HX mol/mol 0.764253 0.764253 0.759466 0.759466 0.61674 0.61674 0.681526 0.681526 yield of H2O on food
Y_OX mol/mol -0.912312 -0.912312 -0.906597 -0.906597 -0.736221 -0.736221 -0.813557 -0.813557 yield of O2 on food
Y_NX mol/mol 0.165875 0.165875 0.164836 0.164836 0.133858 0.133858 0.14792 0.14792 yield of N-waste on food
mu_TX J/mol 461303 461303 458461 458461 372380 372380 411410 411410 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