Larus pacificus: Population traits

at T = 40.9 °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: 2025/02/13
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.961233 0.970414 0.985207 0.985207 1 1 scaled functional response
r 1/d 0 0 0.00132031 0.000166544 0.00191504 0.000286896 spec pop growth rate
t2 d NaN NaN 524.987 4161.94 361.949 2416.02 population doubling time
a_b d 17.9396 17.9277 17.909 17.909 17.8909 17.8909 age at birth
t_p d 334.505 224.673 181.011 181.011 159.215 159.215 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.422924 1 0.419845 1 0.416871 survival probability at puberty
theta_0b - 0.001515 0.0125038 0.0233733 0.028744 0.0336861 0.04359 frac of ind that is embryo
theta_bp - 0.00151483 0.00793929 0.0228245 0.0181367 0.0325477 0.0273558 fraction of individuals that is juvenile
theta_pi - 0.99697 0.979557 0.953802 0.953119 0.933766 0.929054 frac of ind that is adult
L_bi cm 5.24358 5.26378 5.15321 5.28235 5.1259 5.30223 mean structural length of post-natals
L2_bi cm^2 27.5211 27.8108 26.9344 28.1494 26.8134 28.5002 mean squared structural length of post-natals
L3_bi cm^3 144.523 147.208 141.944 150.663 141.944 154.236 mean cubed structural length of post-natals
Ww_bi g 1345.03 1381.7 1350.43 1433.39 1368.58 1487.1 mean wet weight of post-natals
L_pi cm 5.24796 5.28788 5.21992 5.3392 5.22194 5.39066 mean structural length of adults
L2_pi cm^2 27.5543 27.993 27.443 28.5832 27.5491 29.1812 mean squared structural length of adults
L3_pi cm^3 144.722 148.299 145.01 153.289 146.406 158.403 mean cubed structural length of adults
Ww_pi g 1346.88 1391.94 1379.6 1458.37 1411.6 1527.27 mean wet weight of adults
R 1/d 0 0.00106469 0.000149889 0.0025868 0.000618023 0.00411413 mean reproduction rate of adults
J_X g/d 101.915 103.972 102.23 106.842 103.299 109.797 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 0.00183322 0.000234852 0.00263147 0.000403014 yield of living structure on food
Y_VX_d mol/mol 0.000120685 0.000281493 2.2204e-07 0.000413254 8.54885e-08 0.000582053 yield of dead structure on food
Y_EX mol/mol 0 0 0.0156078 0.0019995 0.0227403 0.00348272 yield of living reserve on food
Y_EX_d mol/mol 0.00100249 0.00236061 1.89041e-06 0.00351838 7.38765e-07 0.00502992 yield of dead reserve on food
Y_CX mol/mol 0.72272 0.721486 0.70946 0.718623 0.703018 0.715916 yield of CO2 on food
Y_HX mol/mol 0.769419 0.768105 0.755302 0.765057 0.748443 0.762175 yield of H2O on food
Y_OX mol/mol -0.917299 -0.915732 -0.900469 -0.912098 -0.892292 -0.908663 yield of O2 on food
Y_NX mol/mol 0.166782 0.166497 0.163722 0.165836 0.162235 0.165211 yield of N-waste on food
mu_TX J/mol 463749 462936 455008 461048 450760 459263 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