Branta leucopsis: 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 - 0.93873 0.93873 0.945764 0.945764 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0034375 0.0034375 0.000597896 0.000597896 spec pop growth rate
t2 d NaN NaN NaN NaN 201.643 201.643 1159.31 1159.31 population doubling time
a_b d 16.7734 16.7441 16.7653 16.7362 16.7065 16.679 16.7065 16.679 age at birth
t_p d 309.59 157.54 211.361 147.453 123.097 109.216 123.097 109.216 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.416274 0.41089 1 1 0.405461 0.400473 survival probability at puberty
theta_0b - 0.00153081 0.00150623 0.0123186 0.0127677 0.0558241 0.0557347 0.0780208 0.0813979 frac of ind that is embryo
theta_bp - 0.00153045 0.00150588 0.00774761 0.00798033 0.0526965 0.052617 0.0480131 0.0497994 fraction of individuals that is juvenile
theta_pi - 0.996939 0.996988 0.979934 0.979252 0.891479 0.891648 0.873966 0.868803 frac of ind that is adult
L_bi cm 4.49939 4.62328 4.5091 4.63164 4.3317 4.43432 4.54069 4.64947 mean structural length of post-natals
L2_bi cm^2 20.2629 21.3949 20.4035 21.533 19.3626 20.3224 21.1305 22.1994 mean squared structural length of post-natals
L3_bi cm^3 91.3009 99.0612 92.4866 100.294 88.2067 94.9922 99.5601 107.403 mean cubed structural length of post-natals
Ww_bi g 1244.76 1385.11 1269.68 1412.11 1275.31 1408.71 1439.46 1592.75 mean wet weight of post-natals
L_pi cm 4.50315 4.62716 4.52904 4.65313 4.46569 4.57362 4.68025 4.80095 mean structural length of adults
L2_pi cm^2 20.2875 21.4208 20.5331 21.6755 20.251 21.2637 22.0678 23.2369 mean squared structural length of adults
L3_pi cm^3 91.4273 99.1971 93.1528 101.044 92.8752 100.046 104.567 113.071 mean cubed structural length of adults
Ww_pi g 1246.48 1387.01 1278.82 1422.66 1342.8 1483.65 1511.85 1676.81 mean wet weight of adults
R 1/d 0 0.00490395 0.00103867 0.00606181 0.00104253 0.0054375 0.00820592 0.013262 mean reproduction rate of adults
J_X g/d 104.505 113.39 106.019 114.977 106.38 114.736 116.093 125.333 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 0.00285026 0.00284598 0.000512748 0.000512361 yield of living structure on food
Y_VX_d mol/mol 8.03269e-05 7.91819e-05 0.000185167 0.000183947 9.22995e-08 8.94346e-08 0.000690394 0.000698323 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0383592 0.0393591 0.00690064 0.0070858 yield of living reserve on food
Y_EX_d mol/mol 0.00101482 0.00102797 0.00235685 0.00240595 1.24218e-06 1.23685e-06 0.00929143 0.0096576 yield of dead reserve on food
Y_CX mol/mol 0.722743 0.722733 0.721567 0.721529 0.690149 0.68934 0.709499 0.709045 yield of CO2 on food
Y_HX mol/mol 0.769443 0.769433 0.768192 0.76815 0.734743 0.733882 0.755344 0.75486 yield of H2O on food
Y_OX mol/mol -0.917328 -0.917315 -0.915836 -0.915786 -0.875958 -0.874932 -0.900518 -0.899942 yield of O2 on food
Y_NX mol/mol 0.166787 0.166785 0.166516 0.166507 0.159265 0.159078 0.163731 0.163626 yield of N-waste on food
mu_TX J/mol 463762 463756 462985 462959 442204 441666 455003 454701 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