Anaxyrus americanus: 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: 2023/01/17
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.771116 0.771116 0.771947 0.771947 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00695205 0.00695205 0.00208997 0.00208997 spec pop growth rate
t2 d NaN NaN NaN NaN 99.704 99.704 331.654 331.654 population doubling time
a_b d 5.2884 5.48362 5.28749 5.48265 5.07751 5.25789 5.07751 5.25789 age at birth
t_p d 8872.58 9.30352e+21 5316.01 9.30352e+21 1133.21 2538.22 1133.21 2538.22 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.573175 0.61374 1 1 0.527902 0.566886 survival probability at puberty
theta_0b - 0.000385835 0.000430937 0.112042 0.0884264 0.0346392 0.0358451 0.277811 0.25069 frac of ind that is embryo
theta_bp - 0.000386408 0.000431622 0.0848944 0.0693407 0.033482 0.0346067 0.199961 0.186922 fraction of individuals that is juvenile
theta_pi - 0.999228 0.999137 0.803064 0.842233 0.931879 0.929548 0.522228 0.562389 frac of ind that is adult
L_bi cm 3.16153 2.52709 2.0841 1.78561 1.22522 1.03871 0.520123 0.500387 mean structural length of post-natals
L2_bi cm^2 10.1182 6.46489 6.23997 4.29092 2.18466 1.53603 0.689732 0.578712 mean squared structural length of post-natals
L3_bi cm^3 32.5286 16.615 19.7489 10.8551 4.80275 2.77855 1.63346 1.13101 mean cubed structural length of post-natals
Ww_bi g 47.3346 22.6621 28.7477 14.8102 7.63768 4.09 2.59765 1.66484 mean wet weight of post-natals
L_pi cm 3.16269 2.52812 2.28768 1.9198 1.26335 1.0714 0.657448 0.613952 mean structural length of adults
L2_pi cm^2 10.1221 6.46767 6.89695 4.64218 2.26218 1.59224 0.943762 0.762632 mean squared structural length of adults
L3_pi cm^3 32.5412 16.6221 21.8362 11.7485 4.97515 2.88183 2.25726 1.50557 mean cubed structural length of adults
Ww_pi g 47.3529 22.6719 31.7861 16.0291 7.91184 4.24203 3.58966 2.21619 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 0.658366 0.336361 0.406457 0.223493 0.184343 0.103639 0.0582003 0.039047 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 0.181124 0.186383 0.0586577 0.0605368 yield of living structure on food
Y_VX_d mol/mol 0.0037939 0.00408998 0.0106245 0.0113628 1.66775e-06 2.14636e-06 0.110495 0.112549 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.106912 0.087971 0.034624 0.0285728 yield of living reserve on food
Y_EX_d mol/mol 0.00172686 0.00148859 0.00484116 0.00414005 9.84426e-07 1.01306e-06 0.0652218 0.0531219 yield of dead reserve on food
Y_CX mol/mol 0.818721 0.818668 0.809522 0.809488 0.557392 0.570048 0.575005 0.588156 yield of CO2 on food
Y_HX mol/mol 0.699232 0.699187 0.691376 0.691346 0.476043 0.486851 0.491085 0.502317 yield of H2O on food
Y_OX mol/mol -0.962551 -0.962488 -0.951736 -0.951695 -0.655313 -0.670191 -0.676019 -0.691481 yield of O2 on food
Y_NX mol/mol 0.0663828 0.0663785 0.0656369 0.0656342 0.045194 0.0462201 0.046622 0.0476884 yield of N-waste on food
mu_TX J/mol 461555 461538 456517 456534 317621 325284 327321 335207 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