Pterodroma sandwichensis: 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 - 0.987688 0.995337 0.997668 0.997668 1 1 scaled functional response
r 1/d 0 0 0.000788086 7.6605e-05 0.000913086 0.000144034 spec pop growth rate
t2 d NaN NaN 879.532 9048.33 759.126 4812.39 population doubling time
a_b d 44.9632 44.9307 44.9209 44.9209 44.9111 44.9111 age at birth
t_p d 460.03 343.074 326.219 326.219 312.382 312.382 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.500045 1 0.499263 1 0.498486 survival probability at puberty
theta_0b - 0.00893856 0.0351219 0.0356746 0.0421214 0.0407887 0.0488348 frac of ind that is embryo
theta_bp - 0.0089328 0.0240975 0.034412 0.0287839 0.0391252 0.0332508 fraction of individuals that is juvenile
theta_pi - 0.982129 0.940781 0.929913 0.929095 0.920086 0.917914 frac of ind that is adult
L_bi cm 2.8359 2.83224 2.79312 2.82855 2.78613 2.82512 mean structural length of post-natals
L2_bi cm^2 8.05955 8.06451 7.86529 8.05225 7.83466 8.04122 mean squared structural length of post-natals
L3_bi cm^3 22.938 23.0412 22.2721 23.0173 22.1718 22.9978 mean cubed structural length of post-natals
Ww_bi g 527.556 533.856 517.193 534.497 516.013 535.238 mean wet weight of post-natals
L_pi cm 2.84586 2.861 2.83199 2.8632 2.83047 2.8655 mean structural length of adults
L2_pi cm^2 8.10504 8.19548 8.04289 8.21021 8.03733 8.22543 mean squared structural length of adults
L3_pi cm^3 23.0973 23.4996 22.8949 23.5708 22.8828 23.6441 mean cubed structural length of adults
Ww_pi g 531.221 544.476 531.654 547.35 532.562 550.278 mean wet weight of adults
R 1/d 0 0.000689921 0 0.000872415 0 0.00105933 mean reproduction rate of adults
J_X g/d 39.7941 40.127 39.2274 40.1598 39.1659 40.1985 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 0.000447451 4.39056e-05 0.000516896 8.24026e-05 yield of living structure on food
Y_VX_d mol/mol 0.000117936 0.000237202 1.25824e-05 0.000241572 8.60991e-06 0.000249878 yield of dead structure on food
Y_EX mol/mol 0 0 0.00994305 0.00097565 0.0115131 0.00183539 yield of living reserve on food
Y_EX_d mol/mol 0.00259449 0.00525866 0.000279599 0.00536809 0.000191772 0.00556565 yield of dead reserve on food
Y_CX mol/mol 0.721429 0.719167 0.714953 0.718247 0.713696 0.717349 yield of CO2 on food
Y_HX mol/mol 0.768044 0.765637 0.76115 0.764656 0.759811 0.763701 yield of H2O on food
Y_OX mol/mol -0.91566 -0.912789 -0.907441 -0.911621 -0.905844 -0.910482 yield of O2 on food
Y_NX mol/mol 0.166484 0.165962 0.164989 0.165749 0.164699 0.165542 yield of N-waste on food
mu_TX J/mol 462890 461390 458596 460780 457762 460185 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