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: 2025/07/16
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.606823 0.606823 0.634572 0.634572 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00465366 0.00465366 0.00165778 0.00165778 spec pop growth rate
t2 d NaN NaN NaN NaN 148.947 148.947 418.118 418.118 population doubling time
a_b d 81.67 81.0649 81.3858 NaN 78.9983 78.5939 78.9983 78.5939 age at birth
t_p d 1336.42 745.103 934.731 NaN 365.419 334.122 365.419 334.122 time since birth at puberty
S_b - 0.999991 0.999992 0.999991 NaN 0.999992 0.999993 0.999992 0.999993 survival probability at birth
S_p - 0.99992 0.999932 0.520524 NaN 0.99994 0.999948 0.409302 0.39275 survival probability at puberty
theta_0b - 0.0332417 0.0316994 0.116184 NaN 0.307969 0.306612 0.400787 0.417235 frac of ind that is embryo
theta_bp - 0.0332497 0.0317064 0.0819195 NaN 0.213256 0.212714 0.222379 0.227218 fraction of individuals that is juvenile
theta_pi - 0.933509 0.936594 0.801897 NaN 0.478775 0.480674 0.376834 0.355547 frac of ind that is adult
L_bi cm 1.09834 1.20432 1.10391 NaN 1.15228 1.20756 1.16943 1.20707 mean structural length of post-natals
L2_bi cm^2 1.21711 1.46626 1.24575 NaN 1.45501 1.618 1.55159 1.6885 mean squared structural length of post-natals
L3_bi cm^3 1.35709 1.79817 1.42671 NaN 1.97917 2.35727 2.26781 2.64479 mean cubed structural length of post-natals
Ww_bi g 9.24756 13.3194 10.1013 NaN 20.9426 27.2468 23.9968 30.5702 mean wet weight of post-natals
L_pi cm 1.11329 1.22159 1.14784 NaN 1.33525 1.40881 1.43249 1.51026 mean structural length of adults
L2_pi cm^2 1.24394 1.49943 1.3262 NaN 1.85423 2.07882 2.153 2.41824 mean squared structural length of adults
L3_pi cm^3 1.39404 1.8474 1.54035 NaN 2.67032 3.20165 3.37108 4.06965 mean cubed structural length of adults
Ww_pi g 9.49935 13.6841 10.9059 NaN 28.256 37.0066 35.6711 47.0396 mean wet weight of adults
R 1/d 0 0.00876436 0.00298059 NaN 0.0201909 0.0263093 0.0300308 0.0376711 mean reproduction rate of adults
J_X g/d 0.225678 0.299601 0.241551 NaN 0.444592 0.544816 0.474103 0.568554 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 NaN 0.0207165 0.0201351 0.00792977 0.00771163 yield of living structure on food
Y_VX_d mol/mol 0.00277671 0.00268386 0.00528108 NaN 8.60852e-05 7.599e-05 0.0104523 0.0104912 yield of dead structure on food
Y_EX mol/mol 0 0 0 NaN 0.198495 0.212599 0.075979 0.0814242 yield of living reserve on food
Y_EX_d mol/mol 0.0161445 0.0171961 0.0321098 NaN 0.000824825 0.00080235 0.100148 0.110772 yield of dead reserve on food
Y_CX mol/mol 0.708259 0.70748 0.693253 NaN 0.544783 0.533823 0.565594 0.552683 yield of CO2 on food
Y_HX mol/mol 0.753055 0.752227 0.7371 NaN 0.57924 0.567586 0.601367 0.587639 yield of H2O on food
Y_OX mol/mol -0.898944 -0.897956 -0.879898 NaN -0.691456 -0.677544 -0.717869 -0.701483 yield of O2 on food
Y_NX mol/mol 0.163444 0.163265 0.159981 NaN 0.125719 0.12319 0.130522 0.127542 yield of N-waste on food
mu_TX J/mol 454256 453733 444392 NaN 346338 339012 360070 351466 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