Pterodroma pycrofti: 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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.987146 0.992034 0.996017 0.996017 1 1 scaled functional response
r 1/d 0 0 0.00126465 0.00012094 0.0016543 0.000214634 spec pop growth rate
t2 d NaN NaN 548.095 5731.33 418.998 3229.43 population doubling time
a_b d 5.84382 5.84252 5.84147 5.84147 5.84043 5.84043 age at birth
t_p d 604.214 398.602 350.208 350.208 319.482 319.482 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.402012 1 0.401309 1 0.400612 survival probability at puberty
theta_0b - 0.000619569 0.0062635 0.00736018 0.0105645 0.00961412 0.014671 frac of ind that is embryo
theta_bp - 0.000619681 0.00388156 0.00730732 0.0065372 0.00952337 0.00906623 fraction of individuals that is juvenile
theta_pi - 0.998761 0.989855 0.985332 0.982898 0.980863 0.976263 frac of ind that is adult
L_bi cm 2.9057 2.91118 2.88823 2.91384 2.88518 2.91676 mean structural length of post-natals
L2_bi cm^2 8.44709 8.49256 8.38822 8.52046 8.38469 8.54951 mean squared structural length of post-natals
L3_bi cm^3 24.5626 24.7985 24.4359 24.9556 24.4641 25.1172 mean cubed structural length of post-natals
Ww_bi g 260.771 264.456 261.538 267.099 262.788 269.804 mean wet weight of post-natals
L_pi cm 2.90677 2.91806 2.90077 2.92553 2.90156 2.9331 mean structural length of adults
L2_pi cm^2 8.45143 8.52053 8.43963 8.56807 8.45194 8.61624 mean squared structural length of adults
L3_pi cm^3 24.5767 24.8894 24.6038 25.1107 24.6841 25.3353 mean cubed structural length of adults
Ww_pi g 260.921 265.425 263.334 268.76 265.152 272.146 mean wet weight of adults
R 1/d 0 0.00082823 7.72345e-05 0.00144499 0.000315044 0.00206673 mean reproduction rate of adults
J_X g/d 87.7856 88.6951 87.9572 89.3438 88.2717 90.0069 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 0.00035134 3.37811e-05 0.000458481 5.98956e-05 yield of living structure on food
Y_VX_d mol/mol 2.97761e-05 7.11254e-05 6.49595e-08 8.62104e-05 2.70008e-08 0.000106808 yield of dead structure on food
Y_EX mol/mol 0 0 0.00340905 0.000327777 0.00446642 0.00058349 yield of living reserve on food
Y_EX_d mol/mol 0.000286344 0.000687369 6.30301e-07 0.000836498 2.63036e-07 0.0010405 yield of dead reserve on food
Y_CX mol/mol 0.723376 0.723017 0.720577 0.722589 0.719631 0.722178 yield of CO2 on food
Y_HX mol/mol 0.770117 0.769735 0.767137 0.76928 0.76613 0.768842 yield of H2O on food
Y_OX mol/mol -0.918131 -0.917675 -0.914578 -0.917133 -0.913378 -0.91661 yield of O2 on food
Y_NX mol/mol 0.166933 0.16685 0.166287 0.166751 0.166069 0.166656 yield of N-waste on food
mu_TX J/mol 464181 463944 462334 463662 461710 463391 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