Gavia stellata: Population traits

at T = 39.3 °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: 2025/02/12
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.957777 0.957777 0.973197 0.973197 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00186035 0.00186035 0.000226524 0.000226524 spec pop growth rate
t2 d NaN NaN NaN NaN 372.589 372.589 3059.93 3059.93 population doubling time
a_b d 18.0224 18.0082 18.0043 17.9902 17.974 17.9603 17.974 17.9603 age at birth
t_p d 313.143 211.222 200.516 174.489 155.77 144.424 155.77 144.424 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.409791 0.407419 1 1 0.404693 0.402405 survival probability at puberty
theta_0b - 0.00205461 0.00204042 0.0179014 0.0182032 0.0329062 0.0328814 0.0423606 0.0432006 frac of ind that is embryo
theta_bp - 0.00205424 0.00204006 0.0111811 0.0113382 0.0318184 0.0317952 0.026202 0.0266499 fraction of individuals that is juvenile
theta_pi - 0.995891 0.99592 0.970917 0.970459 0.935275 0.935323 0.931437 0.930149 frac of ind that is adult
L_bi cm 4.83112 4.89175 4.86855 4.92846 4.74443 4.79892 4.91374 4.97158 mean structural length of post-natals
L2_bi cm^2 23.3706 23.9615 23.8325 24.427 22.9805 23.5224 24.4729 25.0645 mean squared structural length of post-natals
L3_bi cm^3 113.14 117.46 116.975 121.398 112.655 116.716 122.691 127.219 mean cubed structural length of post-natals
Ww_bi g 1386.67 1456.28 1454.88 1527.38 1436.64 1505.7 1564.61 1641.2 mean wet weight of post-natals
L_pi cm 4.83668 4.89739 4.90079 4.96183 4.83288 4.88901 4.99358 5.05446 mean structural length of adults
L2_pi cm^2 23.4093 24.0011 24.0569 24.6614 23.6033 24.1625 25.0381 25.6566 mean squared structural length of adults
L3_pi cm^3 113.352 117.68 118.215 122.707 116.136 120.33 125.877 130.593 mean cubed structural length of adults
Ww_pi g 1389.27 1459 1470.3 1543.85 1481.03 1552.33 1605.25 1684.73 mean wet weight of adults
R 1/d 0 0.00144269 0.00162432 0.00311082 0.000996371 0.00236482 0.00414181 0.00564911 mean reproduction rate of adults
J_X g/d 326.679 339.158 338.5 351.314 335.387 347.62 357.169 370.41 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.328125 0.328125 0.328125 0.328125 0.328125 0.328125 0.328125 0.328125 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.000624886 0.000624628 7.78129e-05 7.78008e-05 yield of living structure on food
Y_VX_d mol/mol 3.99037e-05 3.96617e-05 9.33956e-05 9.31405e-05 3.50322e-07 3.45102e-07 0.000142398 0.000142676 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.00734396 0.00743341 0.000914495 0.000925871 yield of living reserve on food
Y_EX_d mol/mol 0.000449166 0.000452067 0.00106821 0.00107871 4.11715e-06 4.1069e-06 0.00167353 0.00169793 yield of dead reserve on food
Y_CX mol/mol 0.545501 0.545499 0.544955 0.544946 0.53942 0.539348 0.543617 0.543587 yield of CO2 on food
Y_HX mol/mol 0.580749 0.580747 0.580167 0.580158 0.574275 0.574198 0.578743 0.578712 yield of H2O on food
Y_OX mol/mol -0.692367 -0.692364 -0.691673 -0.691663 -0.684649 -0.684557 -0.689975 -0.689938 yield of O2 on food
Y_NX mol/mol 0.125885 0.125884 0.125759 0.125757 0.124482 0.124465 0.12545 0.125443 yield of N-waste on food
mu_TX J/mol 361090 361088 360729 360723 357071 357023 359845 359825 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