Melanitta perspicillata: Population traits

at T = 41 °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: 2023/10/02
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.976338 0.976338 0.981872 0.981872 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00430078 0.00430078 0.000878324 0.000878324 spec pop growth rate
t2 d NaN NaN NaN NaN 161.168 161.168 789.171 789.171 population doubling time
a_b d 14.8574 14.8528 14.8519 14.8473 14.8343 14.8298 14.8343 14.8298 age at birth
t_p d 271.903 196.34 190.3 168.862 138.613 132.117 138.613 132.117 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.416923 0.415957 1 1 0.413222 0.412281 survival probability at puberty
theta_0b - 0.00415215 0.00414243 0.0307819 0.03098 0.0618683 0.0618498 0.0938423 0.0944891 frac of ind that is embryo
theta_bp - 0.00415069 0.00414097 0.0193554 0.0194584 0.0580247 0.0580085 0.0580521 0.0583892 fraction of individuals that is juvenile
theta_pi - 0.991697 0.991717 0.949863 0.949562 0.880107 0.880142 0.848106 0.847122 frac of ind that is adult
L_bi cm 3.53484 3.55147 3.50922 3.52519 3.2874 3.30074 3.41248 3.42627 mean structural length of post-natals
L2_bi cm^2 12.5241 12.6425 12.4196 12.5344 11.1387 11.2323 11.9652 12.0666 mean squared structural length of post-natals
L3_bi cm^3 44.4333 45.0656 44.1469 44.7643 38.454 38.9504 42.5618 43.1191 mean cubed structural length of post-natals
Ww_bi g 880.24 896.786 879.273 895.587 779.317 792.937 862.567 877.802 mean wet weight of post-natals
L_pi cm 3.54273 3.55942 3.54815 3.56465 3.39529 3.40939 3.53644 3.55198 mean structural length of adults
L2_pi cm^2 12.565 12.6838 12.6198 12.7379 11.6906 11.7899 12.6057 12.7183 mean squared structural length of adults
L3_pi cm^3 44.5997 45.2342 44.9592 45.5937 40.6789 41.2065 45.1799 45.7933 mean cubed structural length of adults
Ww_pi g 883.536 900.141 895.452 912.18 824.407 838.867 915.628 932.243 mean wet weight of adults
R 1/d 0 0.00110122 0 0.00303375 0 0 0.00103603 0.00424102 mean reproduction rate of adults
J_X g/d 87.1516 88.3928 86.9144 88.1332 79.3893 80.4362 85.2798 86.4104 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 0.00208318 0.00208261 0.000438357 0.000438286 yield of living structure on food
Y_VX_d mol/mol 0.00014534 0.000145052 0.000328863 0.000328662 1.90477e-06 1.89444e-06 0.000642567 0.000643618 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.040135 0.0403143 0.0084455 0.00848418 yield of living reserve on food
Y_EX_d mol/mol 0.0027339 0.00274142 0.00622109 0.00624679 3.66977e-05 3.66719e-05 0.0123799 0.0124589 yield of dead reserve on food
Y_CX mol/mol 0.721293 0.721288 0.718311 0.71829 0.689299 0.689154 0.705834 0.705738 yield of CO2 on food
Y_HX mol/mol 0.7679 0.767894 0.764725 0.764703 0.733839 0.733684 0.751442 0.751339 yield of H2O on food
Y_OX mol/mol -0.915488 -0.91548 -0.911702 -0.911676 -0.87488 -0.874695 -0.895866 -0.895744 yield of O2 on food
Y_NX mol/mol 0.166452 0.166451 0.165764 0.165759 0.159069 0.159036 0.162885 0.162863 yield of N-waste on food
mu_TX J/mol 462801 462797 460825 460811 441600 441504 452557 452493 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