Tyrannus tyrannus: Population traits

at T = 41.6 °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: 2024/02/21
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.944709 0.95759 0.978795 0.978795 1 1 scaled functional response
r 1/d 0 0 0.00225391 0.000406835 0.00338477 0.000701568 spec pop growth rate
t2 d NaN NaN 307.532 1703.76 204.784 987.997 population doubling time
a_b d 7.17005 7.16051 7.1453 7.1453 7.13067 7.13067 age at birth
t_p d 93.9953 66.6299 52.9986 52.9986 46.088 46.088 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.512918 1 0.50619 1 0.49979 survival probability at puberty
theta_0b - 0.00158003 0.00776713 0.0159812 0.0174903 0.0238465 0.0267998 frac of ind that is embryo
theta_bp - 0.00158017 0.00544223 0.0157272 0.0121408 0.0232796 0.0184483 fraction of individuals that is juvenile
theta_pi - 0.99684 0.986791 0.968292 0.970369 0.952874 0.954752 frac of ind that is adult
L_bi cm 1.90454 1.9252 1.93393 1.95537 1.95274 1.98506 mean structural length of post-natals
L2_bi cm^2 3.62935 3.71256 3.76261 3.83839 3.84838 3.96492 mean squared structural length of post-natals
L3_bi cm^3 6.91874 7.16641 7.34874 7.55202 7.62917 7.9481 mean cubed structural length of post-natals
Ww_bi g 31.6205 33.1013 34.5324 35.4876 36.4615 37.9857 mean wet weight of post-natals
L_pi cm 1.90588 1.93006 1.94802 1.96674 1.97428 2.00312 mean structural length of adults
L2_pi cm^2 3.63331 3.72698 3.80507 3.87257 3.91409 4.01999 mean squared structural length of adults
L3_pi cm^3 6.92778 7.1995 7.44784 7.63174 7.78466 8.07858 mean cubed structural length of adults
Ww_pi g 31.6618 33.2541 34.9981 35.8622 37.2047 38.6094 mean wet weight of adults
R 1/d 0.000307797 0.00200364 0.00360271 0.00465855 0.00566799 0.00733722 mean reproduction rate of adults
J_X g/d 7.26255 7.53035 7.80086 7.95797 8.15153 8.39839 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 0.00212328 0.000386082 0.00316786 0.000663953 yield of living structure on food
Y_VX_d mol/mol 0.00021131 0.000452185 9.41274e-07 0.000613903 2.23034e-07 0.000843497 yield of dead structure on food
Y_EX mol/mol 0 0 0.00785418 0.00142815 0.0119721 0.00250923 yield of living reserve on food
Y_EX_d mol/mol 0.000754433 0.00163643 3.48185e-06 0.00227088 8.42896e-07 0.00318777 yield of dead reserve on food
Y_CX mol/mol 0.722848 0.721936 0.715523 0.719815 0.711331 0.717779 yield of CO2 on food
Y_HX mol/mol 0.769555 0.768584 0.761756 0.766326 0.757294 0.764159 yield of H2O on food
Y_OX mol/mol -0.917461 -0.916303 -0.908163 -0.913611 -0.902843 -0.911027 yield of O2 on food
Y_NX mol/mol 0.166811 0.166601 0.165121 0.166111 0.164153 0.165641 yield of N-waste on food
mu_TX J/mol 463839 463244 459058 461859 456320 460530 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