Circus cyaneus: Population traits

at T = 40 °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_min f_max date: 2023/10/03
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.899812 0.899812 0.914453 0.914453 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00371191 0.00371191 0.000687604 0.000687604 spec pop growth rate
t2 d NaN NaN NaN NaN 186.736 186.736 1008.06 1008.06 population doubling time
a_b d 21.3069 21.4267 21.2835 21.4013 21.161 21.268 21.161 21.268 age at birth
t_p d 299.757 NaN 196.316 NaN 113.906 173.532 113.906 173.532 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.418365 0.435987 1 1 0.400628 0.416089 survival probability at puberty
theta_0b - 0.00309009 0.00323628 0.0219604 0.0198267 0.0755917 0.0759607 0.10459 0.0932081 frac of ind that is embryo
theta_bp - 0.00308808 0.00323414 0.0138072 0.0127138 0.0698384 0.0701507 0.0635656 0.057664 fraction of individuals that is juvenile
theta_pi - 0.993822 0.99353 0.964232 0.96746 0.85457 0.853889 0.831844 0.849128 frac of ind that is adult
L_bi cm 2.31034 2.13659 2.3276 2.15596 2.26902 2.12595 2.39437 2.24065 mean structural length of post-natals
L2_bi cm^2 5.34583 4.57112 5.44809 4.66904 5.34382 4.66699 5.91446 5.14599 mean squared structural length of post-natals
L3_bi cm^3 12.3807 9.78764 12.7893 10.1363 12.8805 10.4568 14.8495 11.9785 mean cubed structural length of post-natals
Ww_bi g 341.175 250.075 357.962 263.032 393.034 295.757 453.116 338.793 mean wet weight of post-natals
L_pi cm 2.31403 2.13994 2.3453 2.17011 2.36141 2.20823 2.4931 2.31867 mean structural length of adults
L2_pi cm^2 5.35847 4.58196 5.50879 4.71487 5.67288 4.94496 6.27191 5.41319 mean squared structural length of adults
L3_pi cm^3 12.4146 9.81491 12.953 10.2523 13.8066 11.1938 15.8763 12.6992 mean cubed structural length of adults
Ww_pi g 342.109 250.771 362.543 266.041 421.294 316.601 484.451 359.178 mean wet weight of adults
R 1/d 0 0 0.0016692 0 0.00413996 0 0.0101142 0.000893625 mean reproduction rate of adults
J_X g/d 39.8782 31.5222 41.3023 32.7213 44.3018 35.7667 49.0325 39.4376 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.00107922 0.00108523 0.000208241 0.000208847 yield of living structure on food
Y_VX_d mol/mol 4.56291e-05 4.74983e-05 0.000103573 0.000105106 1.37013e-07 1.50919e-07 0.000285332 0.000276274 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.031852 0.0296088 0.00614601 0.0056981 yield of living reserve on food
Y_EX_d mol/mol 0.00121177 0.00116609 0.00279535 0.00262233 4.04381e-06 4.1176e-06 0.00842129 0.00753773 yield of dead reserve on food
Y_CX mol/mol 0.722611 0.722647 0.721277 0.721417 0.696873 0.69869 0.711396 0.712485 yield of CO2 on food
Y_HX mol/mol 0.769303 0.769341 0.767883 0.768031 0.741902 0.743837 0.757363 0.758522 yield of H2O on food
Y_OX mol/mol -0.91716 -0.917206 -0.915468 -0.915644 -0.884492 -0.886799 -0.902925 -0.904307 yield of O2 on food
Y_NX mol/mol 0.166756 0.166765 0.166449 0.166481 0.160817 0.161236 0.164168 0.16442 yield of N-waste on food
mu_TX J/mol 463673 463697 462788 462881 446592 447802 456230 456954 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer