Sterna dougallii: Population traits

at T = 40.7 °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 - 0.967274 0.970481 0.98524 0.98524 1 1 scaled functional response
r 1/d 0 0 0.00136426 0.000408794 0.00226074 0.000715414 spec pop growth rate
t2 d NaN NaN 508.076 1695.59 306.602 968.876 population doubling time
a_b d 14.997 14.9921 14.9701 14.9701 14.9487 14.9487 age at birth
t_p d 157.635 125.16 88.291 88.291 74.6471 74.6471 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.535967 1 0.530197 1 0.524647 survival probability at puberty
theta_0b - 0.00158832 0.00542237 0.0202546 0.0219255 0.0332544 0.0370248 frac of ind that is embryo
theta_bp - 0.00158764 0.00385562 0.0198367 0.0154156 0.0321358 0.0257823 fraction of individuals that is juvenile
theta_pi - 0.996824 0.990722 0.959909 0.962659 0.93461 0.937193 frac of ind that is adult
L_bi cm 1.90701 1.91119 1.91232 1.92547 1.91896 1.93988 mean structural length of post-natals
L2_bi cm^2 3.63777 3.65507 3.67105 3.71782 3.70606 3.7816 mean squared structural length of post-natals
L3_bi cm^3 6.94076 6.9933 7.06622 7.19197 7.18975 7.39579 mean cubed structural length of post-natals
Ww_bi g 93.0041 93.9956 96.3127 98.0266 99.3567 102.204 mean wet weight of post-natals
L_pi cm 1.90807 1.91388 1.92614 1.93671 1.94205 1.95949 mean structural length of adults
L2_pi cm^2 3.6411 3.66346 3.7147 3.75319 3.77953 3.84385 mean squared structural length of adults
L3_pi cm^3 6.94872 7.01328 7.17157 7.27706 7.36856 7.5471 mean cubed structural length of adults
Ww_pi g 93.1108 94.2641 97.7485 99.1865 101.828 104.295 mean wet weight of adults
R 1/d 0.000114826 0.000605651 0.00182453 0.00259697 0.00330326 0.00459945 mean reproduction rate of adults
J_X g/d 13.9689 14.0819 14.3585 14.5415 14.7126 15.0125 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 0.000671389 0.000202183 0.00110478 0.000352443 yield of living structure on food
Y_VX_d mol/mol 5.28484e-05 0.000101416 1.06895e-06 0.000207577 3.78936e-07 0.000339664 yield of dead structure on food
Y_EX mol/mol 0 0 0.00847965 0.00255357 0.0141624 0.00451805 yield of living reserve on food
Y_EX_d mol/mol 0.000655304 0.0012617 1.35008e-05 0.0026217 4.85767e-06 0.00435422 yield of dead reserve on food
Y_CX mol/mol 0.723057 0.722525 0.716186 0.719095 0.711224 0.715862 yield of CO2 on food
Y_HX mol/mol 0.769778 0.769212 0.762462 0.76556 0.75718 0.762117 yield of H2O on food
Y_OX mol/mol -0.917727 -0.917051 -0.909005 -0.912697 -0.902707 -0.908594 yield of O2 on food
Y_NX mol/mol 0.166859 0.166737 0.165274 0.165945 0.164129 0.165199 yield of N-waste on food
mu_TX J/mol 463970 463619 459427 461351 456146 459212 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