Larus delawarensis: Population traits

at T = 40.9 °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 - 0.959358 0.959358 0.962984 0.962984 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00273535 0.00273535 0.00064886 0.00064886 spec pop growth rate
t2 d NaN NaN NaN NaN 253.403 253.403 1068.25 1068.25 population doubling time
a_b d 15.0094 14.9742 15.0043 14.9692 14.9541 14.9201 14.9541 14.9201 age at birth
t_p d 247.119 123.333 186.142 118.872 108.209 92.5418 108.209 92.5418 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.493016 0.485479 1 1 0.482258 0.475093 survival probability at puberty
theta_0b - 0.00118797 0.00116013 0.00617392 0.00633966 0.0400788 0.0399896 0.0493378 0.0515005 frac of ind that is embryo
theta_bp - 0.001188 0.00116015 0.00423474 0.00431522 0.038473 0.0383908 0.0331683 0.0343675 fraction of individuals that is juvenile
theta_pi - 0.997624 0.99768 0.989591 0.989345 0.921448 0.92162 0.917494 0.914132 frac of ind that is adult
L_bi cm 4.18124 4.2922 4.18798 4.29852 4.12499 4.22523 4.226 4.32923 mean structural length of post-natals
L2_bi cm^2 17.4908 18.4318 17.5629 18.5041 17.2763 18.1421 18.0666 18.9797 mean squared structural length of post-natals
L3_bi cm^3 73.1884 79.1748 73.7106 79.7217 73.0732 78.7056 77.7586 83.8118 mean cubed structural length of post-natals
Ww_bi g 433.245 479.032 437.707 483.862 447.792 493.032 476.505 525.019 mean wet weight of post-natals
L_pi cm 4.18353 4.29455 4.19644 4.30758 4.20236 4.30609 4.29834 4.40798 mean structural length of adults
L2_pi cm^2 17.5055 18.4472 17.6169 18.5631 17.7798 18.6781 18.5388 19.5034 mean squared structural length of adults
L3_pi cm^3 73.2614 79.2529 73.9783 80.02 75.6189 81.4714 80.1581 86.5286 mean cubed structural length of adults
Ww_pi g 433.677 479.505 439.296 485.673 463.393 510.358 491.209 542.038 mean wet weight of adults
R 1/d 4.22007e-06 0.00485503 0.000597318 0.0054684 0.00220055 0.00681014 0.00564744 0.010593 mean reproduction rate of adults
J_X g/d 47.6345 51.5311 48.0117 51.9287 49.0436 52.8698 51.2871 55.3108 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 0.00407558 0.00407203 0.000983765 0.00098321 yield of living structure on food
Y_VX_d mol/mol 0.000122213 0.000119631 0.000260982 0.000258086 2.33491e-09 2.24072e-09 0.00112702 0.00114678 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0208996 0.0214362 0.00504475 0.00517587 yield of living reserve on food
Y_EX_d mol/mol 0.000601239 0.000604174 0.00128878 0.00130834 1.19734e-08 1.17957e-08 0.00577937 0.00603696 yield of dead reserve on food
Y_CX mol/mol 0.723045 0.723045 0.722374 0.72236 0.703341 0.702907 0.713123 0.712792 yield of CO2 on food
Y_HX mol/mol 0.769765 0.769765 0.76905 0.769036 0.748787 0.748326 0.759202 0.758849 yield of H2O on food
Y_OX mol/mol -0.917711 -0.917711 -0.916859 -0.916842 -0.892701 -0.892152 -0.905118 -0.904697 yield of O2 on food
Y_NX mol/mol 0.166857 0.166856 0.166702 0.166698 0.162309 0.162209 0.164567 0.16449 yield of N-waste on food
mu_TX J/mol 463966 463965 463526 463516 451047 450758 457460 457241 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