Agama impalearis: Population traits

at T = 23 °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: 2025/06/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.605146 NaN 0.632904 0.632904 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00465894 0.00465894 0.00166696 0.00166696 spec pop growth rate
t2 d NaN NaN NaN NaN 148.778 148.778 415.815 415.815 population doubling time
a_b d 81.6546 NaN 81.3571 NaN 78.8452 78.4184 78.8452 78.4184 age at birth
t_p d 1327.95 NaN 931.334 NaN 362.091 330.671 362.091 330.671 time since birth at puberty
S_b - 0.99999 NaN 0.99999 NaN 0.999991 0.999992 0.999991 0.999992 survival probability at birth
S_p - 0.999916 NaN 0.527292 NaN 0.999937 0.999946 0.413262 0.396246 survival probability at puberty
theta_0b - 0.0333401 NaN 0.11476 NaN 0.30777 0.306337 0.398913 0.415509 frac of ind that is embryo
theta_bp - 0.0333483 NaN 0.0814938 NaN 0.21318 0.212609 0.222365 0.22724 fraction of individuals that is juvenile
theta_pi - 0.933312 NaN 0.803746 NaN 0.47905 0.481055 0.378722 0.357251 frac of ind that is adult
L_bi cm 1.12231 NaN 1.12874 NaN 1.18129 1.23868 1.1995 1.23875 mean structural length of post-natals
L2_bi cm^2 1.27075 NaN 1.30195 NaN 1.52806 1.70131 1.63035 1.77609 mean squared structural length of post-natals
L3_bi cm^3 1.44771 NaN 1.5238 NaN 2.12849 2.53996 2.43965 2.84987 mean cubed structural length of post-natals
Ww_bi g 9.11475 NaN 9.96397 NaN 20.7561 27.0531 23.7904 30.3539 mean wet weight of post-natals
L_pi cm 1.13752 NaN 1.17298 NaN 1.36779 1.44406 1.46678 1.54729 mean structural length of adults
L2_pi cm^2 1.29869 NaN 1.38493 NaN 1.94544 2.18389 2.257 2.53799 mean squared structural length of adults
L3_pi cm^3 1.48709 NaN 1.64378 NaN 2.86927 3.44694 3.61795 4.37538 mean cubed structural length of adults
Ww_pi g 9.36268 NaN 10.7485 NaN 27.9798 36.7134 35.2805 46.6021 mean wet weight of adults
R 1/d 3.61375e-05 NaN 0.00296277 NaN 0.0202529 0.0264098 0.0298876 0.0375572 mean reproduction rate of adults
J_X g/d 0.222497 NaN 0.238416 NaN 0.442124 0.542843 0.471719 0.566703 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.0224293 0.0217991 0.00862125 0.00838291 yield of living structure on food
Y_VX_d mol/mol 0.00301572 NaN 0.0057107 NaN 9.42199e-05 8.31043e-05 0.0113095 0.0113584 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.196291 0.210383 0.0754492 0.0809034 yield of living reserve on food
Y_EX_d mol/mol 0.0159711 NaN 0.0316309 NaN 0.000824569 0.00080204 0.0989759 0.10962 yield of dead reserve on food
Y_CX mol/mol 0.708206 NaN 0.693293 NaN 0.545176 0.534265 0.565719 0.552793 yield of CO2 on food
Y_HX mol/mol 0.752999 NaN 0.737142 NaN 0.579658 0.568056 0.601499 0.587756 yield of H2O on food
Y_OX mol/mol -0.898877 NaN -0.879949 NaN -0.691955 -0.678106 -0.718028 -0.701622 yield of O2 on food
Y_NX mol/mol 0.163432 NaN 0.159991 NaN 0.12581 0.123292 0.13055 0.127568 yield of N-waste on food
mu_TX J/mol 454233 NaN 444440 NaN 346685 339390 360230 351616 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