Chloephaga picta: 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_minf f_max date: 2024/02/21
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.970485 0.973913 0.986956 0.986956 1 1 scaled functional response
r 1/d 0 0 0.00245898 0.00040376 0.00356934 0.000681952 spec pop growth rate
t2 d NaN NaN 281.884 1716.73 194.195 1016.42 population doubling time
a_b d 19.3028 19.2988 19.2839 19.2839 19.2694 19.2694 age at birth
t_p d 470.281 326.644 237.845 237.845 205.26 205.26 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.394859 1 0.392594 1 0.390399 survival probability at puberty
theta_0b - 0.0020117 0.0201187 0.046324 0.0733154 0.066481 0.112279 frac of ind that is embryo
theta_bp - 0.00201128 0.0123431 0.0441695 0.0445371 0.0620494 0.0676919 fraction of individuals that is juvenile
theta_pi - 0.995977 0.967538 0.909507 0.882148 0.87147 0.820029 frac of ind that is adult
L_bi cm 5.46534 5.43107 5.06326 5.28122 4.92486 5.1709 mean structural length of post-natals
L2_bi cm^2 29.9156 29.6942 26.4449 28.6093 25.3098 27.8384 mean squared structural length of post-natals
L3_bi cm^3 163.885 162.855 140.632 156.877 133.422 152.866 mean cubed structural length of post-natals
Ww_bi g 2633.79 2625.9 2296.06 2561.28 2205.36 2526.76 mean wet weight of post-natals
L_pi cm 5.47185 5.47274 5.2002 5.43843 5.1156 5.41861 mean structural length of adults
L2_pi cm^2 29.9657 30.0121 27.4806 29.8122 26.7465 29.7404 mean squared structural length of adults
L3_pi cm^3 164.192 164.796 146.885 164.254 142.073 164.593 mean cubed structural length of adults
Ww_pi g 2638.72 2657.2 2398.15 2681.73 2348.36 2720.61 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 170.667 170.002 153.428 165.985 148.783 163.647 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 0.00225391 0.000381605 0.00320082 0.000637026 yield of living structure on food
Y_VX_d mol/mol 0.000101217 0.000240055 1.6923e-07 0.000558501 7.3493e-08 0.00088708 yield of dead structure on food
Y_EX mol/mol 0 0 0.034545 0.00584874 0.0497064 0.00989254 yield of living reserve on food
Y_EX_d mol/mol 0.00152544 0.00363063 2.59373e-06 0.00855998 1.14129e-06 0.0137757 yield of dead reserve on food
Y_CX mol/mol 0.722311 0.720488 0.693731 0.711162 0.680645 0.703164 yield of CO2 on food
Y_HX mol/mol 0.768984 0.767042 0.738557 0.757114 0.724625 0.748599 yield of H2O on food
Y_OX mol/mol -0.91678 -0.914465 -0.880505 -0.902629 -0.863895 -0.892477 yield of O2 on food
Y_NX mol/mol 0.166687 0.166266 0.160092 0.164114 0.157072 0.162269 yield of N-waste on food
mu_TX J/mol 463476 462269 444559 456096 435895 450802 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