Pterodroma nigripennis: Population traits

at T = 39.4 °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 - 0.990372 0.993379 0.996689 0.996689 1 1 scaled functional response
r 1/d 0 0 0.000729492 0.000139034 0.000998047 0.00024415 spec pop growth rate
t2 d NaN NaN 950.178 4985.44 694.504 2839.02 population doubling time
a_b d 31.8691 31.861 31.8521 31.8521 31.8432 31.8432 age at birth
t_p d 431.854 332.881 292.897 292.897 268.731 268.731 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.487779 1 0.486756 1 0.485741 survival probability at puberty
theta_0b - 0.0033523 0.0149706 0.0230037 0.0266664 0.0312947 0.0375503 frac of ind that is embryo
theta_bp - 0.00335123 0.0101606 0.0224682 0.0180046 0.0303062 0.0252476 fraction of individuals that is juvenile
theta_pi - 0.993296 0.974869 0.954528 0.955329 0.938399 0.937202 frac of ind that is adult
L_bi cm 2.67788 2.67471 2.63788 2.66666 2.62299 2.65938 mean structural length of post-natals
L2_bi cm^2 7.17805 7.17268 7.00348 7.14426 6.93997 7.11914 mean squared structural length of post-natals
L3_bi cm^3 19.253 19.2652 18.6734 19.1947 18.4681 19.1352 mean cubed structural length of post-natals
Ww_bi g 323.156 324.284 315.308 324.111 312.816 324.115 mean wet weight of post-natals
L_pi cm 2.68166 2.6867 2.66333 2.68819 2.65741 2.68994 mean structural length of adults
L2_pi cm^2 7.19402 7.22298 7.11072 7.23463 7.08498 7.24758 mean squared structural length of adults
L3_pi cm^3 19.3049 19.4279 19.0215 19.4876 18.9389 19.552 mean cubed structural length of adults
Ww_pi g 324.027 327.023 321.186 329.055 320.79 331.175 mean wet weight of adults
R 1/d 0 0.000283101 0 0.000563403 0 0.000863366 mean reproduction rate of adults
J_X g/d 31.7794 31.852 31.2043 31.8315 31.024 31.825 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 0.000436547 8.38393e-05 0.000594123 0.000146799 yield of living structure on food
Y_VX_d mol/mol 6.44721e-05 0.000132706 5.89039e-07 0.000154561 8.01193e-08 0.00019215 yield of dead structure on food
Y_EX mol/mol 0 0 0.00693472 0.00133182 0.00946922 0.00233971 yield of living reserve on food
Y_EX_d mol/mol 0.00101767 0.00210108 9.35712e-06 0.00245527 1.27695e-06 0.00306251 yield of dead reserve on food
Y_CX mol/mol 0.722754 0.721818 0.717636 0.720362 0.715455 0.718968 yield of CO2 on food
Y_HX mol/mol 0.769455 0.768458 0.764006 0.766909 0.761685 0.765425 yield of H2O on food
Y_OX mol/mol -0.917341 -0.916153 -0.910845 -0.914306 -0.908078 -0.912536 yield of O2 on food
Y_NX mol/mol 0.166789 0.166573 0.165608 0.166237 0.165105 0.165916 yield of N-waste on food
mu_TX J/mol 463769 463149 460381 462186 458937 461263 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