Pycnonotus jocosus: 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_min f_max date: 2025/11/08
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.616162 0.616162 0.63612 0.63612 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00616406 0.00616406 0.00130844 0.00130844 spec pop growth rate
t2 d NaN NaN NaN NaN 112.45 112.45 529.75 529.75 population doubling time
a_b d 9.98448 9.97308 9.96501 NaN 9.7393 9.73183 9.7393 9.73183 age at birth
t_p d 179.74 145.545 130.17 NaN 39.0254 38.1943 39.0254 38.1943 time since birth at puberty
S_b - 1 1 1 NaN 1 1 1 1 survival probability at birth
S_p - 1 1 0.6047 NaN 1 1 0.446857 0.442369 survival probability at puberty
theta_0b - 0.00220686 0.00219016 0.00548789 NaN 0.0582808 0.0582372 0.0664687 0.0684347 frac of ind that is embryo
theta_bp - 0.00220667 0.00218998 0.00414963 NaN 0.0548804 0.0548419 0.042661 0.0437099 fraction of individuals that is juvenile
theta_pi - 0.995586 0.99562 0.990362 NaN 0.886839 0.886921 0.89087 0.887855 frac of ind that is adult
L_bi cm 0.682996 0.695765 0.704559 NaN 1.03052 1.04757 1.06645 1.08445 mean structural length of post-natals
L2_bi cm^2 0.466573 0.484189 0.496603 NaN 1.08308 1.12014 1.15366 1.194 mean squared structural length of post-natals
L3_bi cm^3 0.318776 0.337005 0.35013 NaN 1.15305 1.21376 1.25838 1.32612 mean cubed structural length of post-natals
Ww_bi g 4.2263 4.54541 4.781 NaN 24.0918 25.8129 26.2925 28.2023 mean wet weight of post-natals
L_pi cm 0.683376 0.696163 0.705368 NaN 1.05832 1.07627 1.09038 1.10985 mean structural length of adults
L2_pi cm^2 0.467025 0.484669 0.497581 NaN 1.12894 1.16808 1.19332 1.23665 mean squared structural length of adults
L3_pi cm^3 0.319182 0.337442 0.351028 NaN 1.2118 1.27605 1.30957 1.38197 mean cubed structural length of adults
Ww_pi g 4.23168 4.5513 4.79326 NaN 25.3192 27.1376 27.362 29.3902 mean wet weight of adults
R 1/d 0.000450876 0.000843255 0.00112902 NaN 0.0140792 0.014848 0.015561 0.0164301 mean reproduction rate of adults
J_X g/d 1.17179 1.23883 1.28761 NaN 4.41466 4.65128 4.70235 4.958 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 NaN 0.00160997 0.00160853 0.000350148 0.00034997 yield of living structure on food
Y_VX_d mol/mol 6.04258e-05 6.00412e-05 0.000104839 NaN 3.1568e-07 3.09473e-07 0.000419131 0.000423745 yield of dead structure on food
Y_EX mol/mol 0 0 0 NaN 0.0320287 0.0325998 0.00696583 0.00709277 yield of living reserve on food
Y_EX_d mol/mol 0.000740693 0.000749773 0.00132674 NaN 6.28012e-06 6.27204e-06 0.00833818 0.00858796 yield of dead reserve on food
Y_CX mol/mol 0.722982 0.722975 0.72247 NaN 0.696296 0.695833 0.710573 0.710264 yield of CO2 on food
Y_HX mol/mol 0.769698 0.76969 0.769152 NaN 0.741287 0.740795 0.756487 0.756158 yield of H2O on food
Y_OX mol/mol -0.917631 -0.917622 -0.916981 NaN -0.88376 -0.883173 -0.901881 -0.901488 yield of O2 on food
Y_NX mol/mol 0.166842 0.16684 0.166724 NaN 0.160684 0.160577 0.163978 0.163907 yield of N-waste on food
mu_TX J/mol 463921 463916 463582 NaN 446234 445926 455696 455490 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