Ardenna grisea: 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 - 0.98036 0.984849 0.992424 0.992424 1 1 scaled functional response
r 1/d 0 0 0.00057373 0.000135164 0.000813477 0.000233816 spec pop growth rate
t2 d NaN NaN 1208.14 5128.21 852.08 2964.49 population doubling time
a_b d 42.9487 42.9216 42.8763 42.8763 42.8315 42.8315 age at birth
t_p d 924.777 717.276 600.326 600.326 538.168 538.168 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.606936 1 0.604244 1 0.601593 survival probability at puberty
theta_0b - 0.00336072 0.0143276 0.024438 0.0302133 0.034296 0.0441055 frac of ind that is embryo
theta_bp - 0.00336199 0.0110285 0.0238529 0.0230749 0.0331336 0.0334737 fraction of individuals that is juvenile
theta_pi - 0.993277 0.974644 0.951709 0.946712 0.93257 0.922421 frac of ind that is adult
L_bi cm 7.17624 7.1637 7.01255 7.11991 6.95264 7.08552 mean structural length of post-natals
L2_bi cm^2 51.5759 51.5174 49.678 51.1089 49.0153 50.8093 mean squared structural length of post-natals
L3_bi cm^3 371.043 371.373 354.351 368.755 348.851 367.11 mean cubed structural length of post-natals
Ww_bi g 954.163 957.682 918.09 955.41 908.078 955.607 mean wet weight of post-natals
L_pi cm 7.18708 7.20022 7.08854 7.1974 7.05804 7.19947 mean structural length of adults
L2_pi cm^2 51.6967 51.9241 50.5238 51.9741 50.1893 52.0851 mean squared structural length of adults
L3_pi cm^3 372.084 374.874 361.626 376.227 358.96 378.167 mean cubed structural length of adults
Ww_pi g 956.838 966.711 936.94 974.77 934.392 984.389 mean wet weight of adults
R 1/d 0 0.000125815 0 0.000376928 0 0.000682257 mean reproduction rate of adults
J_X g/d 52.201 52.3805 50.8988 52.3649 50.6032 52.4553 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 0.00399423 0.000951824 0.00560799 0.00163637 yield of living structure on food
Y_VX_d mol/mol 0.000565913 0.00114947 2.73435e-05 0.00150018 1.27122e-05 0.00198753 yield of dead structure on food
Y_EX mol/mol 0 0 0.00635446 0.00151426 0.0089899 0.00262319 yield of living reserve on food
Y_EX_d mol/mol 0.000889371 0.00181475 4.3501e-05 0.00238664 2.03783e-05 0.0031861 yield of dead reserve on food
Y_CX mol/mol 0.72245 0.721224 0.715167 0.718471 0.711745 0.715968 yield of CO2 on food
Y_HX mol/mol 0.769132 0.767827 0.761378 0.764895 0.757735 0.762231 yield of H2O on food
Y_OX mol/mol -0.916956 -0.9154 -0.907712 -0.911906 -0.903369 -0.908729 yield of O2 on food
Y_NX mol/mol 0.166719 0.166436 0.165039 0.165801 0.164249 0.165223 yield of N-waste on food
mu_TX J/mol 463592 462805 458916 461037 456719 459430 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