Aythya fuligula: 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: 2023/10/02
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.969468 0.969468 0.970471 0.970471 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00464555 0.00464555 0.00116717 0.00116717 spec pop growth rate
t2 d NaN NaN NaN NaN 149.207 149.207 593.87 593.87 population doubling time
a_b d 18.7763 18.7252 18.775 18.724 18.7379 18.6885 18.7379 18.6885 age at birth
t_p d 409.079 142.933 309.99 141.871 155.552 119.546 155.552 119.546 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.415294 0.406953 1 1 0.409207 0.401221 survival probability at puberty
theta_0b - 0.00107402 0.00104313 0.00794083 0.00835774 0.083418 0.083207 0.131396 0.139016 frac of ind that is embryo
theta_bp - 0.00107326 0.0010424 0.0049742 0.00518536 0.0764124 0.076237 0.0800963 0.0839653 fraction of individuals that is juvenile
theta_pi - 0.997853 0.997914 0.987085 0.986457 0.84017 0.840556 0.788508 0.777018 frac of ind that is adult
L_bi cm 2.58387 2.69295 2.57858 2.68658 2.34228 2.42242 2.43133 2.5112 mean structural length of post-natals
L2_bi cm^2 6.68014 7.25632 6.66263 7.23409 5.69084 6.10496 6.13272 6.57288 mean squared structural length of post-natals
L3_bi cm^3 17.276 19.5592 17.2331 19.5011 14.1529 15.7736 15.7855 17.5937 mean cubed structural length of post-natals
Ww_bi g 678.996 800.413 677.994 798.841 573.322 665.326 639.458 742.098 mean wet weight of post-natals
L_pi cm 2.58533 2.69448 2.5856 2.69444 2.44376 2.53018 2.55747 2.65337 mean structural length of adults
L2_pi cm^2 6.68569 7.26228 6.689 7.26452 6.06945 6.51821 6.60953 7.12599 mean squared structural length of adults
L3_pi cm^3 17.2925 19.5776 17.3111 19.5943 15.2644 17.0252 17.2093 19.3004 mean cubed structural length of adults
Ww_pi g 679.645 801.166 681.064 802.657 618.348 718.122 697.135 814.088 mean wet weight of adults
R 1/d 0 0.0307592 0 0.0309688 0 0 0 0.026594 mean reproduction rate of adults
J_X g/d 55.179 62.4728 55.0913 62.3459 48.4877 54.2156 52.2526 58.3709 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 0.00135597 0.00135158 0.000352601 0.000351798 yield of living structure on food
Y_VX_d mol/mol 1.79854e-05 1.75172e-05 4.07494e-05 4.01937e-05 1.66322e-09 1.58537e-09 0.000445782 0.000454519 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0535734 0.055658 0.013931 0.014487 yield of living reserve on food
Y_EX_d mol/mol 0.000688893 0.00069933 0.00156244 0.0016063 6.57126e-08 6.52853e-08 0.0176125 0.018717 yield of dead reserve on food
Y_CX mol/mol 0.723058 0.72305 0.72233 0.722295 0.679003 0.677312 0.697355 0.695999 yield of CO2 on food
Y_HX mol/mol 0.769779 0.769771 0.769004 0.768966 0.722877 0.721077 0.742415 0.740972 yield of H2O on food
Y_OX mol/mol -0.917728 -0.917718 -0.916804 -0.916759 -0.861811 -0.859666 -0.885104 -0.883384 yield of O2 on food
Y_NX mol/mol 0.16686 0.166858 0.166692 0.166683 0.156693 0.156303 0.160928 0.160615 yield of N-waste on food
mu_TX J/mol 463969 463964 463486 463462 434710 433585 446899 445997 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