Anas platyrhynchos: Population traits

at T = 41.2 °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: 2024/02/21
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.873755 0.873755 0.875716 0.875716 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00819126 0.00819126 0.00221664 0.00221664 spec pop growth rate
t2 d NaN NaN NaN NaN 84.6203 84.6203 312.702 312.702 population doubling time
a_b d 18.3308 18.2715 18.3269 18.2676 18.1019 18.0483 18.1019 18.0483 age at birth
t_p d 524.976 220.624 385.659 216.737 140.988 129.347 140.988 129.347 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.467206 0.459434 1 1 0.438234 0.431542 survival probability at puberty
theta_0b - 0.00126626 0.00122786 0.0105063 0.0108684 0.137794 0.137416 0.228246 0.235465 frac of ind that is embryo
theta_bp - 0.00126646 0.00122804 0.00705781 0.00724069 0.118819 0.118545 0.143112 0.146552 fraction of individuals that is juvenile
theta_pi - 0.997467 0.997544 0.982436 0.981891 0.743387 0.74404 0.628642 0.617983 frac of ind that is adult
L_bi cm 5.40697 5.59204 5.38848 5.57091 4.59447 4.70243 4.80194 4.89378 mean structural length of post-natals
L2_bi cm^2 29.2637 31.3023 29.1456 31.1609 22.7993 23.9727 25.4301 26.6043 mean squared structural length of post-natals
L3_bi cm^3 158.469 175.317 157.939 174.64 119.24 129.079 142.606 153.716 mean cubed structural length of post-natals
Ww_bi g 664.827 754.708 663.737 753.088 555.299 617.297 664.115 735.117 mean wet weight of post-natals
L_pi cm 5.41088 5.59605 5.4109 5.59518 4.9511 5.07314 5.37014 5.50512 mean structural length of adults
L2_pi cm^2 29.294 31.3341 29.3176 31.3519 25.5385 26.8802 29.9914 31.6226 mean squared structural length of adults
L3_pi cm^3 158.654 175.517 158.987 175.838 136.103 147.418 172.159 187.091 mean cubed structural length of adults
Ww_pi g 665.602 755.567 668.14 758.251 633.828 704.997 801.739 894.728 mean wet weight of adults
R 1/d 0 0.0157668 0 0.0161067 0 0 0.0152239 0.0286459 mean reproduction rate of adults
J_X g/d 43.4737 48.0958 43.3954 47.9859 38.7639 42.1558 43.2369 46.7834 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 0.0251968 0.0250813 0.00731104 0.00728321 yield of living structure on food
Y_VX_d mol/mol 0.000253796 0.000246898 0.000586672 0.00057618 2.38249e-10 2.2811e-10 0.00973013 0.00983282 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0921443 0.094865 0.0267363 0.0275473 yield of living reserve on food
Y_EX_d mol/mol 0.000810956 0.000815951 0.0018788 0.00190844 8.71272e-10 8.62781e-10 0.0355829 0.0371907 yield of dead reserve on food
Y_CX mol/mol 0.722768 0.722769 0.72163 0.721614 0.628293 0.626176 0.659152 0.657126 yield of CO2 on food
Y_HX mol/mol 0.76947 0.769471 0.768258 0.768241 0.668891 0.666637 0.701744 0.699587 yield of H2O on food
Y_OX mol/mol -0.917359 -0.917361 -0.915915 -0.915895 -0.797449 -0.794762 -0.836617 -0.834045 yield of O2 on food
Y_NX mol/mol 0.166793 0.166793 0.16653 0.166526 0.144991 0.144502 0.152112 0.151645 yield of N-waste on food
mu_TX J/mol 463788 463788 463047 463036 402147 400732 422281 420936 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