Ardenna gravis: Population traits

at T = 39 °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_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.862303 0.867565 0.933782 0.933782 1 1 scaled functional response
r 1/d 0 0 0.0010918 0.000369145 0.00194531 0.000616633 spec pop growth rate
t2 d NaN NaN 634.868 1877.71 356.317 1124.08 population doubling time
a_b d 23.0148 23.008 22.9289 22.9289 22.8597 22.8597 age at birth
t_p d 407.662 326.135 169.279 169.279 132.331 132.331 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.557768 1 0.528505 1 0.50415 survival probability at puberty
theta_0b - 0.0010705 0.00313279 0.0247278 0.0271571 0.0435015 0.0492433 frac of ind that is embryo
theta_bp - 0.00107034 0.00226713 0.0241129 0.0189699 0.0416033 0.0334171 fraction of individuals that is juvenile
theta_pi - 0.997859 0.9946 0.951159 0.953873 0.914895 0.91734 frac of ind that is adult
L_bi cm 2.48246 2.49636 2.64169 2.65975 2.77847 2.81636 mean structural length of post-natals
L2_bi cm^2 6.16344 6.23359 7.00623 7.09557 7.78383 7.98321 mean squared structural length of post-natals
L3_bi cm^3 15.3041 15.5688 18.6342 18.9679 21.9327 22.7254 mean cubed structural length of post-natals
Ww_bi g 801.659 820.407 1055.46 1074.36 1328.84 1376.86 mean wet weight of post-natals
L_pi cm 2.48326 2.49814 2.66365 2.67791 2.8226 2.8543 mean structural length of adults
L2_pi cm^2 6.1668 6.24105 7.10328 7.17549 7.98778 8.15816 mean squared structural length of adults
L3_pi cm^3 15.3148 15.5926 18.9613 19.2364 22.6539 23.3435 mean cubed structural length of adults
Ww_pi g 802.219 821.658 1073.99 1089.57 1372.53 1414.31 mean wet weight of adults
R 1/d 4.27207e-05 0.000132921 0.00116293 0.00124705 0.00218078 0.00238082 mean reproduction rate of adults
J_X g/d 144.341 146.875 177.68 179.946 211.398 216.813 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 yield of faeces on food
Y_VX mol/mol 0 0 0.000114502 3.89111e-05 0.000201827 6.46326e-05 yield of living structure on food
Y_VX_d mol/mol 4.94433e-06 9.10827e-06 6.4197e-09 3.52068e-05 1.78589e-09 6.21396e-05 yield of dead structure on food
Y_EX mol/mol 0 0 0.00637105 0.00216506 0.0120263 0.00385126 yield of living reserve on food
Y_EX_d mol/mol 0.00025405 0.000470857 3.572e-07 0.00195895 1.06416e-07 0.00370271 yield of dead reserve on food
Y_CX mol/mol 0.723422 0.723243 0.718363 0.720222 0.713697 0.717392 yield of CO2 on food
Y_HX mol/mol 0.770167 0.769975 0.76478 0.766759 0.759813 0.763747 yield of H2O on food
Y_OX mol/mol -0.91819 -0.917962 -0.911768 -0.914128 -0.905847 -0.910536 yield of O2 on food
Y_NX mol/mol 0.166944 0.166902 0.165776 0.166205 0.164699 0.165552 yield of N-waste on food
mu_TX J/mol 464211 464092 460849 462084 457747 460203 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer