Pterodroma axillaris: Population traits

at T = 37.4 °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: 2023/10/02
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.950188 0.968191 0.984096 0.984096 1 1 scaled functional response
r 1/d 0 0 0.000727539 0.000102911 0.000973633 0.000180988 spec pop growth rate
t2 d NaN NaN 952.728 6735.42 711.918 3829.8 population doubling time
a_b d 45.7004 45.6328 45.5752 45.5752 45.5194 45.5194 age at birth
t_p d 498.553 336.178 287.521 287.521 257.609 257.609 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.461615 1 0.457248 1 0.453055 survival probability at puberty
theta_0b - 0.00432876 0.0231934 0.0326625 0.0382512 0.0433755 0.0522269 frac of ind that is embryo
theta_bp - 0.00432701 0.0153115 0.0315847 0.0250254 0.0414788 0.0339036 fraction of individuals that is juvenile
theta_pi - 0.991344 0.961495 0.935753 0.936723 0.915146 0.913869 frac of ind that is adult
L_bi cm 3.17181 3.20681 3.16894 3.23006 3.1741 3.2533 mean structural length of post-natals
L2_bi cm^2 10.0754 10.3318 10.1558 10.5164 10.228 10.7027 mean squared structural length of post-natals
L3_bi cm^3 32.0349 33.3775 32.7832 34.3971 33.2797 35.4379 mean cubed structural length of post-natals
Ww_bi g 501.785 532.089 530.662 556.785 546.866 582.33 mean wet weight of post-natals
L_pi cm 3.178 3.23053 3.21636 3.27037 3.23779 3.30997 mean structural length of adults
L2_pi cm^2 10.1058 10.4488 10.3923 10.7172 10.548 10.9878 mean squared structural length of adults
L3_pi cm^3 32.1503 33.8253 33.6978 35.1744 34.528 36.5544 mean cubed structural length of adults
Ww_pi g 503.594 539.228 545.467 569.368 567.378 600.677 mean wet weight of adults
R 1/d 6.75835e-05 0.000881128 0.000827926 0.00152203 0.00122105 0.00216361 mean reproduction rate of adults
J_X g/d 31.8172 33.2451 33.2158 34.3952 33.9923 35.5701 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 0.000718064 0.000102916 0.000953222 0.000180315 yield of living structure on food
Y_VX_d mol/mol 9.69221e-05 0.000214106 8.98334e-07 0.000248584 2.0149e-07 0.000298074 yield of dead structure on food
Y_EX mol/mol 0 0 0.0109052 0.00156299 0.0147105 0.00278269 yield of living reserve on food
Y_EX_d mol/mol 0.00142124 0.00319908 1.3643e-05 0.00377524 3.10948e-06 0.00460002 yield of dead reserve on food
Y_CX mol/mol 0.722399 0.72086 0.714177 0.71901 0.710903 0.717246 yield of CO2 on food
Y_HX mol/mol 0.769077 0.767438 0.760324 0.765469 0.756839 0.763591 yield of H2O on food
Y_OX mol/mol -0.916891 -0.914937 -0.906456 -0.912589 -0.9023 -0.91035 yield of O2 on food
Y_NX mol/mol 0.166708 0.166352 0.16481 0.165925 0.164055 0.165518 yield of N-waste on food
mu_TX J/mol 463535 462515 458092 461291 455925 460123 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