Gerrhosaurus skoogi: 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_min f_max date: 2025/02/12
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.771443 0.771443 0.87381 0.87381 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00120693 0.00120693 0.000234923 0.000234923 spec pop growth rate
t2 d NaN NaN NaN NaN 574.306 574.306 2950.52 2950.52 population doubling time
a_b d 108.856 108.031 106.454 105.664 103.969 103.22 103.969 103.22 age at birth
t_p d 1877.72 1439.85 1039 916.664 731.061 669.753 731.061 669.753 time since birth at puberty
S_b - 0.999968 0.99997 0.99997 0.999972 0.999972 0.999974 0.999972 0.999974 survival probability at birth
S_p - 0.999793 0.999807 0.67446 0.662379 0.999828 0.99984 0.636519 0.625125 survival probability at puberty
theta_0b - 0.0256113 0.0249586 0.107022 0.111108 0.120378 0.119435 0.166493 0.17217 frac of ind that is embryo
theta_bp - 0.0256363 0.0249815 0.0875608 0.0900699 0.106251 0.105511 0.129187 0.132401 fraction of individuals that is juvenile
theta_pi - 0.948752 0.95006 0.805417 0.798822 0.773371 0.775054 0.70432 0.695429 frac of ind that is adult
L_bi cm 2.59325 2.69814 2.61747 2.70008 2.50333 2.57784 2.62575 2.69204 mean structural length of post-natals
L2_bi cm^2 6.87739 7.45554 7.2908 7.80315 6.77663 7.22164 7.61384 8.06903 mean squared structural length of post-natals
L3_bi cm^3 18.5239 20.9372 21.1747 23.5847 19.4997 21.5707 23.6733 26.0583 mean cubed structural length of post-natals
Ww_bi g 27.1394 31.0943 32.33 36.5443 31.2561 35.1355 37.9461 42.4451 mean wet weight of post-natals
L_pi cm 2.62663 2.7332 2.75314 2.84941 2.6552 2.73751 2.85266 2.939 mean structural length of adults
L2_pi cm^2 7.01328 7.60248 7.87885 8.46883 7.43806 7.93481 8.65516 9.23315 mean squared structural length of adults
L3_pi cm^3 18.9563 21.4204 23.1947 25.9472 21.7987 24.1246 27.518 30.4956 mean cubed structural length of adults
Ww_pi g 27.7729 31.8118 35.4142 40.2051 34.9412 39.2953 44.1088 49.6728 mean wet weight of adults
R 1/d 0 0.000610721 0.00153536 0.00261013 0.00184371 0.00282746 0.00358681 0.00475438 mean reproduction rate of adults
J_X g/d 0.194459 0.219878 0.233503 0.260667 0.248378 0.27608 0.279064 0.308475 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 0.0947538 0.0943003 0.0199289 0.0198451 yield of living structure on food
Y_VX_d mol/mol 0.028536 0.0281039 0.0531334 0.0529149 0.00463975 0.00445465 0.058233 0.0582143 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0571274 0.0593007 0.0120152 0.0124796 yield of living reserve on food
Y_EX_d mol/mol 0.0132723 0.0136338 0.0279919 0.0290764 0.00279732 0.00280131 0.0351089 0.036608 yield of dead reserve on food
Y_CX mol/mol 0.689664 0.689721 0.657719 0.657015 0.594187 0.592937 0.621838 0.620326 yield of CO2 on food
Y_HX mol/mol 0.733283 0.733344 0.699318 0.69857 0.631768 0.630439 0.661168 0.65956 yield of H2O on food
Y_OX mol/mol -0.875342 -0.875415 -0.834797 -0.833903 -0.75416 -0.752573 -0.789256 -0.787337 yield of O2 on food
Y_NX mol/mol 0.159153 0.159166 0.151781 0.151619 0.13712 0.136832 0.143501 0.143152 yield of N-waste on food
mu_TX J/mol 443166 443182 423131 422652 383153 382289 400498 399486 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