Rhea americana: Population traits

at T = 39 °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: 2024/02/21
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.962111 0.962111 0.976364 0.976364 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0024052 0.0024052 0.000316231 0.000316231 spec pop growth rate
t2 d NaN NaN NaN NaN 288.187 288.187 2191.9 2191.9 population doubling time
a_b d 29.4787 29.4431 29.4564 29.4214 29.421 29.3869 29.421 29.3869 age at birth
t_p d 662.369 359.651 402.314 316.43 315.767 274.299 315.767 274.299 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.361576 0.358474 1 1 0.358437 0.355434 survival probability at puberty
theta_0b - 0.00484646 0.00475578 0.0600055 0.0614626 0.0683891 0.068312 0.122422 0.126009 frac of ind that is embryo
theta_bp - 0.00484119 0.00475063 0.0352024 0.0359158 0.0636505 0.0635842 0.070928 0.0727287 fraction of individuals that is juvenile
theta_pi - 0.990312 0.990494 0.904792 0.902622 0.86796 0.868104 0.80665 0.801262 frac of ind that is adult
L_bi cm 6.52082 6.67557 6.40107 6.54321 5.82822 5.93896 6.20028 6.31941 mean structural length of post-natals
L2_bi cm^2 42.7097 44.7654 41.917 43.8492 35.8082 37.2541 40.3953 42.0826 mean squared structural length of post-natals
L3_bi cm^3 280.384 300.895 277.22 296.879 226.777 241.109 269.118 286.85 mean cubed structural length of post-natals
Ww_bi g 19204.9 21095.4 19265.3 21117.8 16135.8 17560.1 19148.5 20891.4 mean wet weight of post-natals
L_pi cm 6.54079 6.69587 6.55917 6.71037 6.07677 6.19485 6.53959 6.68007 mean structural length of adults
L2_pi cm^2 42.8889 44.9509 43.3306 45.3709 37.9889 39.5356 43.4545 45.3915 mean squared structural length of adults
L3_pi cm^3 281.68 302.264 287.476 308.147 242.277 257.631 291.576 311.634 mean cubed structural length of adults
Ww_pi g 19293.6 21191.4 19978 21919.3 17238.7 18763.4 20746.5 22696.5 mean wet weight of adults
R 1/d 0 0.0055808 0.000273716 0.00761454 0 0 0.00174845 0.00870917 mean reproduction rate of adults
J_X g/d 739.201 793.309 736.229 788.584 644.16 686.197 726.678 775.134 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 0.000846752 0.000845115 0.000117113 0.000117026 yield of living structure on food
Y_VX_d mol/mol 6.42504e-05 6.3135e-05 0.000158883 0.000156863 9.46841e-08 8.95192e-08 0.000233392 0.000232716 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0594021 0.060705 0.00821582 0.00840605 yield of living reserve on food
Y_EX_d mol/mol 0.00433657 0.00436319 0.0108827 0.0110012 6.64236e-06 6.43021e-06 0.0163731 0.0167161 yield of dead reserve on food
Y_CX mol/mol 0.720057 0.720036 0.714662 0.714567 0.674675 0.673618 0.703369 0.702937 yield of CO2 on food
Y_HX mol/mol 0.766584 0.766562 0.76084 0.760739 0.71827 0.717144 0.748818 0.748357 yield of H2O on food
Y_OX mol/mol -0.913919 -0.913892 -0.90707 -0.90695 -0.856318 -0.854977 -0.892738 -0.892189 yield of O2 on food
Y_NX mol/mol 0.166167 0.166162 0.164922 0.1649 0.155694 0.15545 0.162316 0.162216 yield of N-waste on food
mu_TX J/mol 461974 461960 458387 458324 431804 431100 450880 450592 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