Mareca strepera: 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 - 0.977993 0.977993 0.979389 0.979389 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00521973 0.00521973 0.00107464 0.00107464 spec pop growth rate
t2 d NaN NaN NaN NaN 132.794 132.794 645.006 645.006 population doubling time
a_b d 12.8134 12.7777 12.8123 12.7767 12.7962 12.7613 12.7962 12.7613 age at birth
t_p d 335.616 116.786 246.238 115.73 143.492 103.362 143.492 103.362 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.402164 0.393988 1 1 0.398449 0.390497 survival probability at puberty
theta_0b - 0.00118529 0.00114101 0.0112651 0.0118614 0.0646219 0.0644517 0.109001 0.116554 frac of ind that is embryo
theta_bp - 0.00118507 0.00114079 0.00697362 0.00727169 0.0604355 0.0602872 0.0663328 0.0702606 fraction of individuals that is juvenile
theta_pi - 0.99763 0.997718 0.981761 0.980867 0.874943 0.875261 0.824666 0.813185 frac of ind that is adult
L_bi cm 3.57892 3.74946 3.56509 3.73303 3.22591 3.35355 3.36802 3.49731 mean structural length of post-natals
L2_bi cm^2 12.8196 14.0711 12.7556 13.9912 10.8208 11.731 11.776 12.7616 mean squared structural length of post-natals
L3_bi cm^3 45.9408 52.8317 45.716 52.5337 37.1599 42.0775 41.9541 47.5465 mean cubed structural length of post-natals
Ww_bi g 725.093 871.13 722.508 867.377 598.863 708.471 676.126 800.555 mean wet weight of post-natals
L_pi cm 3.58138 3.75202 3.58009 3.74987 3.34473 3.48011 3.52173 3.67292 mean structural length of adults
L2_pi cm^2 12.8321 14.0845 12.831 14.0788 11.409 12.3779 12.5494 13.6753 mean squared structural length of adults
L3_pi cm^3 45.9912 52.8879 46.0177 52.8987 39.4791 44.7231 45.0665 51.3677 mean cubed structural length of adults
Ww_pi g 725.887 872.057 727.277 873.403 636.238 753.016 726.285 864.893 mean wet weight of adults
R 1/d 0 0.0540879 0 0.054146 0 0 0 0.0419304 mean reproduction rate of adults
J_X g/d 73.1969 84.1772 72.9357 83.8188 63.1746 71.7572 68.7511 78.0615 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 0.00307029 0.00306078 0.000655779 0.000654552 yield of living structure on food
Y_VX_d mol/mol 5.84312e-05 5.64084e-05 0.000137549 0.000134383 1.94054e-09 1.83107e-09 0.000886789 0.000903237 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0464101 0.0484744 0.00991265 0.0103663 yield of living reserve on food
Y_EX_d mol/mol 0.0008638 0.000873696 0.00203632 0.00208439 2.93329e-08 2.89991e-08 0.0134046 0.0143048 yield of dead reserve on food
Y_CX mol/mol 0.722883 0.722877 0.721867 0.72183 0.68343 0.68176 0.703434 0.702322 yield of CO2 on food
Y_HX mol/mol 0.769593 0.769586 0.76851 0.768471 0.72759 0.725813 0.748887 0.747703 yield of H2O on food
Y_OX mol/mol -0.917506 -0.917498 -0.916215 -0.916169 -0.86743 -0.865311 -0.89282 -0.891408 yield of O2 on food
Y_NX mol/mol 0.166819 0.166818 0.166585 0.166576 0.157715 0.157329 0.162331 0.162074 yield of N-waste on food
mu_TX J/mol 463855 463851 463182 463157 437743 436631 450982 450243 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