Aythya affinis: 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 - 0.972055 0.972055 0.974914 0.974914 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00432689 0.00432689 0.000986748 0.000986748 spec pop growth rate
t2 d NaN NaN NaN NaN 160.195 160.195 702.456 702.456 population doubling time
a_b d 19.0262 19.0381 19.0226 19.0345 18.9917 19.0033 18.9917 19.0033 age at birth
t_p d 459.679 NaN 327.1 NaN 202.238 225.047 202.238 225.047 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.408903 0.410718 1 1 0.404225 0.40598 survival probability at puberty
theta_0b - 0.00270117 0.00271772 0.0245517 0.02426 0.0789003 0.0789466 0.137397 0.135652 frac of ind that is embryo
theta_bp - 0.00270085 0.0027174 0.0153374 0.0151872 0.0726675 0.0727065 0.0838947 0.0829988 fraction of individuals that is juvenile
theta_pi - 0.994598 0.994565 0.960111 0.960553 0.848432 0.848347 0.778708 0.781349 frac of ind that is adult
L_bi cm 3.86147 3.82463 3.82722 3.79164 3.41945 3.39298 3.56627 3.54003 mean structural length of post-natals
L2_bi cm^2 14.9399 14.6558 14.765 14.4891 12.2406 12.0431 13.3478 13.1361 mean squared structural length of post-natals
L3_bi cm^3 57.8642 56.2204 57.1801 55.5762 45.0738 43.9547 51.2248 49.9542 mean cubed structural length of post-natals
Ww_bi g 749.354 721.626 742.504 715.292 599.201 579.144 680.97 658.193 mean wet weight of post-natals
L_pi cm 3.86752 3.83061 3.86306 3.82658 3.572 3.54357 3.77945 3.74763 mean structural length of adults
L2_pi cm^2 14.9731 14.6885 14.9601 14.678 13.0554 12.8422 14.5096 14.2598 mean squared structural length of adults
L3_pi cm^3 58.0089 56.3615 58.0268 56.3892 48.5394 47.3285 56.2899 54.8152 mean cubed structural length of adults
Ww_pi g 751.228 723.438 753.5 725.756 645.272 623.597 748.305 722.241 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 51.1182 49.6654 50.6683 49.2449 43.0864 41.9847 46.9834 45.795 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 0.00452648 0.00452991 0.00107582 0.00107637 yield of living structure on food
Y_VX_d mol/mol 0.000163142 0.000164031 0.000381131 0.000382241 2.29335e-07 2.32065e-07 0.00145994 0.00145456 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0556475 0.0551558 0.0132259 0.0131058 yield of living reserve on food
Y_EX_d mol/mol 0.00194958 0.00194142 0.004568 0.00453738 2.81939e-06 2.8256e-06 0.0179481 0.0177107 yield of dead reserve on food
Y_CX mol/mol 0.721916 0.721922 0.719612 0.719636 0.674739 0.675136 0.696244 0.696538 yield of CO2 on food
Y_HX mol/mol 0.768563 0.768569 0.76611 0.766135 0.718338 0.71876 0.741232 0.741545 yield of H2O on food
Y_OX mol/mol -0.916278 -0.916286 -0.913353 -0.913384 -0.8564 -0.856903 -0.883694 -0.884068 yield of O2 on food
Y_NX mol/mol 0.166596 0.166597 0.166064 0.16607 0.155709 0.155801 0.160672 0.16074 yield of N-waste on food
mu_TX J/mol 463216 463220 461693 461709 432030 432295 446246 446441 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