Bufo bufo: Population traits

at T = 15 °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: 2024/01/08
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.591248 0.591248 0.616311 0.616311 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00521721 0.00521721 0.000510878 0.000510878 spec pop growth rate
t2 d NaN NaN NaN NaN 132.858 132.858 1356.78 1356.78 population doubling time
a_b d 5.73853 6.24592 5.69863 6.20243 5.26105 5.71678 5.26105 5.71678 age at birth
t_p d 8464.99 NaN 3189.53 NaN 1012.65 3733.39 1012.65 3733.39 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.661736 0.746867 1 1 0.576273 0.665056 survival probability at puberty
theta_0b - 0.000408605 0.000523135 0.117702 0.0718588 0.027017 0.0293153 0.231766 0.172231 frac of ind that is embryo
theta_bp - 0.000409688 0.000524738 0.0959694 0.0622736 0.0263434 0.0285241 0.175825 0.140371 fraction of individuals that is juvenile
theta_pi - 0.999182 0.998952 0.786329 0.865868 0.94664 0.942161 0.59241 0.687398 frac of ind that is adult
L_bi cm 3.83319 2.30903 1.92325 1.42729 1.4889 1.00934 0.800358 0.735677 mean structural length of post-natals
L2_bi cm^2 15.0259 5.45824 6.91808 3.132 3.41616 1.49866 2.34715 1.48083 mean squared structural length of post-natals
L3_bi cm^3 59.3899 13.0203 27.6322 7.53589 10.0274 2.80769 11.5727 4.54352 mean cubed structural length of post-natals
Ww_bi g 71.5677 14.6349 33.5383 8.50999 13.505 3.39656 15.5862 5.49645 mean wet weight of post-natals
L_pi cm 3.8347 2.31017 2.13838 1.51873 1.52565 1.03501 0.988616 0.853159 mean structural length of adults
L2_pi cm^2 15.0321 5.46109 7.75925 3.3555 3.51043 1.54324 3.03554 1.77796 mean squared structural length of adults
L3_pi cm^3 59.4142 13.0272 31.0041 8.0776 10.3063 2.89256 15.006 5.47048 mean cubed structural length of adults
Ww_pi g 71.5971 14.6426 37.631 9.12173 13.8806 3.49923 20.2102 6.61783 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.468713 0.102968 0.224948 0.0615885 0.180233 0.047817 0.123833 0.0472481 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 0.290263 0.306341 0.0477436 0.0491276 yield of living structure on food
Y_VX_d mol/mol 0.00991626 0.0117469 0.0269706 0.0312571 7.94784e-06 1.38707e-05 0.0942242 0.0961502 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.100665 0.0642502 0.0165578 0.0103037 yield of living reserve on food
Y_EX_d mol/mol 0.00203332 0.00145667 0.00576472 0.00404034 2.75637e-06 2.90916e-06 0.0326776 0.020166 yield of dead reserve on food
Y_CX mol/mol 0.812775 0.811615 0.793548 0.791178 0.462209 0.481016 0.646965 0.661262 yield of CO2 on food
Y_HX mol/mol 0.694154 0.693163 0.677733 0.675709 0.394752 0.410814 0.552543 0.564753 yield of H2O on food
Y_OX mol/mol -0.95556 -0.954196 -0.932955 -0.930169 -0.543408 -0.565519 -0.760621 -0.777429 yield of O2 on food
Y_NX mol/mol 0.0659007 0.0658066 0.0643417 0.0641496 0.0374764 0.0390013 0.0524566 0.0536158 yield of N-waste on food
mu_TX J/mol 458384 457797 447994 446823 267425 279225 368037 376562 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