Gerrhosaurus validus: Population traits

at T = 30 °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_minf f_max date: 2023/01/30
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.518799 0.56751 0.783755 0.783755 1 1 scaled functional response
r 1/d 0 0 0.00164053 0.000362829 0.00240209 0.000510112 spec pop growth rate
t2 d NaN NaN 422.515 1910.4 288.56 1358.81 population doubling time
a_b d 105.037 103.675 99.2854 99.2854 96.4845 96.4845 age at birth
t_p d 1276.58 781.142 399.156 399.156 302.342 302.342 time since birth at puberty
S_b - 0.999998 0.999998 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_p - 0.999983 0.602079 0.999987 0.5091 0.999989 0.454803 survival probability at puberty
theta_0b - 0.0155481 0.0654971 0.150543 0.202735 0.206927 0.282689 frac of ind that is embryo
theta_bp - 0.0155552 0.0502855 0.12795 0.1382 0.164154 0.179983 fraction of individuals that is juvenile
theta_pi - 0.968897 0.884217 0.721507 0.659065 0.628919 0.537328 frac of ind that is adult
L_bi cm 3.18986 3.35779 3.50853 3.79604 3.67925 4.04715 mean structural length of post-natals
L2_bi cm^2 10.248 11.5189 13.31 15.8164 15.2051 19.2409 mean squared structural length of post-natals
L3_bi cm^3 33.083 40.0522 53.4794 69.8505 68.6774 101.309 mean cubed structural length of post-natals
Ww_bi g 63.6262 80.5015 128.069 167.273 190.893 281.595 mean wet weight of post-natals
L_pi cm 3.21208 3.44545 3.78806 4.19304 4.11745 4.74588 mean structural length of adults
L2_pi cm^2 10.3599 11.9853 15.0021 18.3664 18.1162 24.3808 mean squared structural length of adults
L3_pi cm^3 33.5183 41.9836 61.6483 83.0112 84.4343 132.618 mean cubed structural length of adults
Ww_pi g 64.4636 84.3835 147.631 198.79 234.69 368.619 mean wet weight of adults
R 1/d 8.15617e-05 0.000638806 0.00195928 0.00303661 0.00318262 0.00541101 mean reproduction rate of adults
J_X g/d 0.689889 0.848257 1.35363 1.60853 1.97303 2.49672 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 0.0648141 0.0157558 0.0836124 0.0206988 yield of living structure on food
Y_VX_d mol/mol 0.00773498 0.0154074 0.000272586 0.0255324 0.000119818 0.0322662 yield of dead structure on food
Y_EX mol/mol 0 0 0.0903986 0.0219752 0.148793 0.0368347 yield of living reserve on food
Y_EX_d mol/mol 0.00714118 0.0155602 0.000380185 0.035611 0.000213223 0.0574196 yield of dead reserve on food
Y_CX mol/mol 0.711546 0.698472 0.596992 0.643297 0.534533 0.604017 yield of CO2 on food
Y_HX mol/mol 0.75655 0.742648 0.634751 0.683984 0.568341 0.64222 yield of H2O on food
Y_OX mol/mol -0.903116 -0.886522 -0.757721 -0.816493 -0.678446 -0.766637 yield of O2 on food
Y_NX mol/mol 0.164203 0.161186 0.137767 0.148453 0.123354 0.139389 yield of N-waste on food
mu_TX J/mol 456692 448372 383305 412939 342661 387375 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