Bitis gabonica: Population traits

at T = 24 °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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.372763 0.390707 0.695354 0.695354 1 1 scaled functional response
r 1/d 0 0 0.00182683 0.000665372 0.00250985 0.000847918 spec pop growth rate
t2 d NaN NaN 379.426 1041.74 276.171 817.47 population doubling time
a_b d 238.732 237.078 219.672 219.672 211.336 211.336 age at birth
t_p d 4428.98 3046.88 990.496 990.496 730.118 730.118 time since birth at puberty
S_b - 0.999969 0.99997 0.999976 0.999976 0.999978 0.999978 survival probability at birth
S_p - 0.999791 0.613934 0.99986 0.466887 0.999883 0.404356 survival probability at puberty
theta_0b - 0.0313092 0.120532 0.330793 0.40817 0.411735 0.479836 frac of ind that is embryo
theta_bp - 0.0313233 0.0936431 0.221489 0.240881 0.242275 0.256216 fraction of individuals that is juvenile
theta_pi - 0.937367 0.785825 0.447719 0.350949 0.345989 0.263948 frac of ind that is adult
L_bi cm 5.00618 4.84491 4.58321 4.60505 4.69535 4.6946 mean structural length of post-natals
L2_bi cm^2 25.5343 24.5574 23.6338 25.1161 25.5592 27.5342 mean squared structural length of post-natals
L3_bi cm^3 131.912 128.332 135.59 159.406 160.248 200.824 mean cubed structural length of post-natals
Ww_bi g 265.664 264.717 392.047 460.91 596.134 747.082 mean wet weight of post-natals
L_pi cm 5.08288 5.09978 5.38834 5.76939 5.82687 6.32414 mean structural length of adults
L2_pi cm^2 26.1409 26.6068 30.9522 36.4776 36.7045 45.281 mean squared structural length of adults
L3_pi cm^3 135.646 141.228 189.434 251.306 250.97 367.745 mean cubed structural length of adults
Ww_pi g 273.183 291.318 547.734 726.631 933.631 1368.04 mean wet weight of adults
R 1/d 0 0 0.00316804 0.00517792 0.00564158 0.00898411 mean reproduction rate of adults
J_X g/d 1.34238 1.35317 2.31771 2.46307 3.60467 3.8832 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.0546875 0.0546875 0.0546875 0.0546875 0.0546875 0.0546875 yield of faeces on food
Y_VX mol/mol 0 0 0.106873 0.0430619 0.111577 0.043851 yield of living structure on food
Y_VX_d mol/mol 0.0159195 0.0297909 0.000365524 0.0564347 0.000164104 0.0600813 yield of dead structure on food
Y_EX mol/mol 0 0 0.202141 0.0814481 0.303498 0.119278 yield of living reserve on food
Y_EX_d mol/mol 0.0161415 0.0316604 0.000691358 0.106742 0.000446375 0.163426 yield of dead reserve on food
Y_CX mol/mol 0.742017 0.718137 0.516134 0.534321 0.430322 0.453924 yield of CO2 on food
Y_HX mol/mol 0.788948 0.763558 0.548778 0.568116 0.457539 0.482634 yield of H2O on food
Y_OX mol/mol -0.941791 -0.911482 -0.655093 -0.678177 -0.546178 -0.576135 yield of O2 on food
Y_NX mol/mol 0.171235 0.165724 0.119108 0.123305 0.0993052 0.104752 yield of N-waste on food
mu_TX J/mol 473556 458354 327761 339480 270864 286185 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