Branta hutchinsii: 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 - 0.968906 0.968906 0.972678 0.972678 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00380664 0.00380664 0.000824515 0.000824515 spec pop growth rate
t2 d NaN NaN NaN NaN 182.089 182.089 840.673 840.673 population doubling time
a_b d 17.4153 17.3674 17.4108 17.3631 17.3791 17.3328 17.3791 17.3328 age at birth
t_p d 322.184 132.919 230.329 129.413 144.451 111.2 144.451 111.2 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.415739 0.407292 1 1 0.41012 0.402003 survival probability at puberty
theta_0b - 0.00230906 0.00222818 0.0170637 0.0178469 0.0640496 0.0638843 0.0946246 0.100756 frac of ind that is embryo
theta_bp - 0.0023077 0.00222687 0.0106996 0.0110824 0.0599153 0.0597714 0.0581748 0.0613663 fraction of individuals that is juvenile
theta_pi - 0.995383 0.995545 0.972237 0.971071 0.876035 0.876344 0.847201 0.837878 frac of ind that is adult
L_bi cm 3.45254 3.60045 3.44248 3.58759 3.22415 3.34154 3.35117 3.47225 mean structural length of post-natals
L2_bi cm^2 11.9346 12.98 11.9036 12.9345 10.7124 11.5353 11.5315 12.4233 mean squared structural length of post-natals
L3_bi cm^3 41.2845 46.8288 41.2555 46.749 36.2635 40.6234 40.2442 45.1498 mean cubed structural length of post-natals
Ww_bi g 1178.29 1391.94 1181.88 1394.79 1067.03 1244.94 1184.16 1383.65 mean wet weight of post-natals
L_pi cm 3.45676 3.60483 3.46294 3.61036 3.33263 3.45698 3.47222 3.60964 mean structural length of adults
L2_pi cm^2 11.956 13.0029 12.0066 13.0527 11.2586 12.1336 12.1472 13.1433 mean squared structural length of adults
L3_pi cm^3 41.3697 46.9231 41.6637 47.2341 38.429 43.0734 42.7186 48.1428 mean cubed structural length of adults
Ww_pi g 1180.72 1394.74 1193.57 1409.27 1130.75 1320.02 1256.97 1475.37 mean wet weight of adults
R 1/d 0 0.0195517 0.000398772 0.0206342 0 0.0057211 0.00436926 0.0235654 mean reproduction rate of adults
J_X g/d 102.228 115.96 102.36 116.004 94.7037 106.36 101.945 114.548 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 0.00145762 0.00145392 0.000325489 0.000324986 yield of living structure on food
Y_VX_d mol/mol 5.40947e-05 5.23486e-05 0.000123111 0.000120652 4.90873e-09 4.59605e-09 0.00041847 0.00042655 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0414321 0.0431024 0.00925184 0.00963447 yield of living reserve on food
Y_EX_d mol/mol 0.0014898 0.00150366 0.00340376 0.0034791 1.39528e-07 1.36253e-07 0.0118948 0.0126454 yield of dead reserve on food
Y_CX mol/mol 0.722378 0.722369 0.720767 0.720708 0.688785 0.687431 0.705847 0.70492 yield of CO2 on food
Y_HX mol/mol 0.769055 0.769045 0.76734 0.767277 0.733291 0.731849 0.751455 0.750468 yield of H2O on food
Y_OX mol/mol -0.916865 -0.916852 -0.91482 -0.914745 -0.874227 -0.872508 -0.895882 -0.894706 yield of O2 on food
Y_NX mol/mol 0.166703 0.1667 0.166331 0.166317 0.15895 0.158638 0.162888 0.162674 yield of N-waste on food
mu_TX J/mol 463518 463512 462449 462410 441227 440325 452548 451932 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