Branta sandvicensis: 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 - 0.975469 0.975469 0.977407 0.977407 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0028252 0.0028252 0.000580949 0.000580949 spec pop growth rate
t2 d NaN NaN NaN NaN 245.345 245.345 1193.13 1193.13 population doubling time
a_b d 19.3914 19.3842 19.3889 19.3817 19.3602 19.3531 19.3602 19.3531 age at birth
t_p d 407.812 251.404 301.469 236.768 179.486 169.618 179.486 169.618 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.418805 0.417626 1 1 0.41414 0.412999 survival probability at puberty
theta_0b - 0.00117073 0.00116438 0.00891061 0.00895624 0.0532439 0.053225 0.0773971 0.0780949 frac of ind that is embryo
theta_bp - 0.00117033 0.00116399 0.00561516 0.00563633 0.0503933 0.0503764 0.0480102 0.0483798 fraction of individuals that is juvenile
theta_pi - 0.997659 0.997672 0.985474 0.985407 0.896363 0.896399 0.874593 0.873525 frac of ind that is adult
L_bi cm 4.61116 4.63751 4.6036 4.62972 4.32986 4.3515 4.48944 4.51191 mean structural length of post-natals
L2_bi cm^2 21.2767 21.5206 21.244 21.4864 19.251 19.4495 20.6052 20.8199 mean squared structural length of post-natals
L3_bi cm^3 98.2109 99.9052 98.1532 99.8404 86.9924 88.3673 95.675 97.2094 mean cubed structural length of post-natals
Ww_bi g 1820.25 1861.67 1822.6 1863.97 1650.68 1685.86 1815.44 1854.55 mean wet weight of post-natals
L_pi cm 4.61405 4.64042 4.61797 4.64428 4.45228 4.47499 4.62128 4.6461 mean structural length of adults
L2_pi cm^2 21.2961 21.5403 21.34 21.5841 20.0689 20.2777 21.4931 21.7274 mean squared structural length of adults
L3_pi cm^3 98.314 100.01 98.6586 100.357 91.297 92.7457 100.403 102.063 mean cubed structural length of adults
Ww_pi g 1822.16 1863.62 1831.98 1873.61 1732.36 1769.39 1905.15 1947.15 mean wet weight of adults
R 1/d 0 0.00204773 0.000152946 0.00253854 0 0 0.00269214 0.004977 mean reproduction rate of adults
J_X g/d 137.963 140.344 138.025 140.399 127.967 130.027 136.969 139.189 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 0.00192057 0.00192002 0.000405802 0.000405735 yield of living structure on food
Y_VX_d mol/mol 4.32055e-05 4.29875e-05 9.84397e-05 9.80668e-05 1.34781e-12 1.33419e-12 0.000520339 0.000521819 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0345223 0.0347099 0.0072943 0.00733483 yield of living reserve on food
Y_EX_d mol/mol 0.000757569 0.000758059 0.00172948 0.00173279 2.42269e-11 2.41194e-11 0.00935312 0.00943338 yield of dead reserve on food
Y_CX mol/mol 0.722982 0.722982 0.722148 0.722145 0.694023 0.693871 0.709354 0.709255 yield of CO2 on food
Y_HX mol/mol 0.769698 0.769698 0.768809 0.768807 0.738868 0.738706 0.755189 0.755084 yield of H2O on food
Y_OX mol/mol -0.917631 -0.917631 -0.916572 -0.916569 -0.880875 -0.880682 -0.900334 -0.900208 yield of O2 on food
Y_NX mol/mol 0.166842 0.166842 0.166649 0.166649 0.160159 0.160124 0.163697 0.163674 yield of N-waste on food
mu_TX J/mol 463920 463920 463367 463365 444737 444635 454892 454826 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