Agelaius phoeniceus: 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: 2025/06/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.91033 0.915836 0.957918 0.957918 1 1 scaled functional response
r 1/d 0 0 0.00314258 0.000701718 0.0054248 0.00120255 spec pop growth rate
t2 d NaN NaN 220.566 987.786 127.774 576.397 population doubling time
a_b d 7.30914 7.30523 7.27676 7.27676 7.25057 7.25057 age at birth
t_p d 98.9059 73.5334 43.816 43.816 35.5171 35.5171 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.499026 1 0.485579 1 0.473479 survival probability at puberty
theta_0b - 0.000796263 0.00377904 0.0226095 0.0251271 0.0385717 0.0446431 frac of ind that is embryo
theta_bp - 0.000796225 0.00260318 0.0220971 0.0169933 0.0370817 0.0297166 fraction of individuals that is juvenile
theta_pi - 0.998408 0.993618 0.955293 0.95788 0.924347 0.92564 frac of ind that is adult
L_bi cm 1.60217 1.60996 1.63891 1.66233 1.67154 1.71286 mean structural length of post-natals
L2_bi cm^2 2.56762 2.59385 2.70721 2.77783 2.83387 2.96346 mean squared structural length of post-natals
L3_bi cm^3 4.11552 4.18082 4.49457 4.6562 4.84855 5.15709 mean cubed structural length of post-natals
Ww_bi g 27.9537 28.5437 31.8893 33.036 35.699 37.9707 mean wet weight of post-natals
L_pi cm 1.60273 1.61184 1.65561 1.67589 1.70151 1.73881 mean structural length of adults
L2_pi cm^2 2.569 2.59854 2.75018 2.81265 2.91289 3.03204 mean squared structural length of adults
L3_pi cm^3 4.11819 4.18987 4.58016 4.72554 5.01031 5.29807 mean cubed structural length of adults
Ww_pi g 27.9719 28.6055 32.4965 33.528 36.89 39.0088 mean wet weight of adults
R 1/d 0.000151482 0.000945817 0.00521998 0.00671438 0.00967459 0.0125588 mean reproduction rate of adults
J_X g/d 6.80004 6.91104 7.54451 7.74132 8.24446 8.62145 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 0.00187216 0.000422064 0.00319032 0.00071933 yield of living structure on food
Y_VX_d mol/mol 6.61296e-05 0.00013915 2.90115e-10 0.000472861 6.75572e-11 0.00082284 yield of dead structure on food
Y_EX mol/mol 0 0 0.0114109 0.00257251 0.0202994 0.00457697 yield of living reserve on food
Y_EX_d mol/mol 0.00038304 0.00081087 1.76827e-09 0.00288212 4.29854e-10 0.00523559 yield of dead reserve on food
Y_CX mol/mol 0.723268 0.722861 0.71284 0.718474 0.704547 0.714407 yield of CO2 on food
Y_HX mol/mol 0.770002 0.769569 0.758901 0.764898 0.750072 0.760569 yield of H2O on food
Y_OX mol/mol -0.917994 -0.917477 -0.904759 -0.911909 -0.894233 -0.906747 yield of O2 on food
Y_NX mol/mol 0.166908 0.166814 0.164502 0.165802 0.162588 0.164863 yield of N-waste on food
mu_TX J/mol 464111 463844 457260 460961 451806 458287 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