Mareca americana: Population traits

at T = 41.2 °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 - 0.935533 0.935533 0.94043 0.94043 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00523681 0.00523681 0.00108748 0.00108748 spec pop growth rate
t2 d NaN NaN NaN NaN 132.361 132.361 637.388 637.388 population doubling time
a_b d 16.6428 16.6123 16.6373 16.6069 16.5741 16.5455 16.5741 16.5455 age at birth
t_p d 331.384 157.545 230.995 150.516 123.05 108.893 123.05 108.893 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.413387 0.407769 1 1 0.401766 0.396598 survival probability at puberty
theta_0b - 0.00197253 0.00193407 0.0162484 0.0168359 0.0831524 0.0830151 0.12892 0.134117 frac of ind that is embryo
theta_bp - 0.00197208 0.00193364 0.010186 0.0104858 0.0762229 0.0761083 0.0784132 0.0810802 fraction of individuals that is juvenile
theta_pi - 0.996055 0.996132 0.973566 0.972678 0.840625 0.840877 0.792667 0.784803 frac of ind that is adult
L_bi cm 3.34555 3.44386 3.33913 3.4356 3.07708 3.14936 3.24415 3.3183 mean structural length of post-natals
L2_bi cm^2 11.2063 11.8751 11.2028 11.8636 9.90093 10.3949 10.9829 11.531 mean squared structural length of post-natals
L3_bi cm^3 37.5628 40.9769 37.6737 41.0682 32.7566 35.3196 38.0166 41.0306 mean cubed structural length of post-natals
Ww_bi g 538.628 603.695 542.849 607.992 499.82 553.772 580.08 643.313 mean wet weight of post-natals
L_pi cm 3.3492 3.44761 3.35885 3.45689 3.21897 3.29692 3.42015 3.50925 mean structural length of adults
L2_pi cm^2 11.224 11.8937 11.2975 11.9681 10.5879 11.1234 11.8533 12.4949 mean squared structural length of adults
L3_pi cm^3 37.6302 41.0495 38.0341 41.4757 35.3977 38.1832 41.4498 44.9234 mean cubed structural length of adults
Ww_pi g 539.594 604.764 548.041 614.024 540.12 598.669 632.466 704.348 mean wet weight of adults
R 1/d 0 0.00988516 0.000787087 0.0111432 0 0.00180949 0.0110373 0.0208233 mean reproduction rate of adults
J_X g/d 44.9115 48.9946 45.1323 49.2032 42.4142 45.8429 47.0491 50.8529 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 0.0040444 0.0040347 0.000878708 0.000877432 yield of living structure on food
Y_VX_d mol/mol 0.00010011 9.83474e-05 0.00023149 0.000229262 4.32994e-08 4.17905e-08 0.00117134 0.0011851 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0576675 0.0592248 0.0125291 0.0128797 yield of living reserve on food
Y_EX_d mol/mol 0.0013354 0.00135056 0.00310409 0.00316483 6.17389e-07 6.13438e-07 0.0167017 0.0173959 yield of dead reserve on food
Y_CX mol/mol 0.722466 0.722456 0.720923 0.720875 0.673491 0.672234 0.698217 0.697358 yield of CO2 on food
Y_HX mol/mol 0.769149 0.769137 0.767505 0.767455 0.717009 0.715671 0.743333 0.742418 yield of H2O on food
Y_OX mol/mol -0.916977 -0.916963 -0.915017 -0.914957 -0.854816 -0.85322 -0.886199 -0.885108 yield of O2 on food
Y_NX mol/mol 0.166723 0.166721 0.166367 0.166356 0.155421 0.155131 0.161127 0.160929 yield of N-waste on food
mu_TX J/mol 463579 463572 462558 462527 431176 430338 447535 446964 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