Sistrurus miliarius: Population traits

at T = 26 °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: 2022/12/31
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.715057 0.734325 0.867163 0.867163 1 1 scaled functional response
r 1/d 0 0 0.000950995 0.000385341 0.00143339 0.000588947 spec pop growth rate
t2 d NaN NaN 728.865 1798.79 483.572 1176.93 population doubling time
a_b d 178.849 178.002 172.893 172.893 168.779 168.779 age at birth
t_p d 3871.41 2692.84 1278.03 1278.03 920.409 920.409 time since birth at puberty
S_b - 0.999991 0.999991 0.999991 0.999991 0.999992 0.999992 survival probability at birth
S_p - 0.999936 0.704798 0.999945 0.652518 0.99995 0.611188 survival probability at puberty
theta_0b - 0.0192727 0.0694081 0.152192 0.204301 0.215052 0.273311 frac of ind that is embryo
theta_bp - 0.0192903 0.0580138 0.129199 0.153943 0.168925 0.193105 fraction of individuals that is juvenile
theta_pi - 0.961437 0.872578 0.718608 0.641756 0.616022 0.533584 frac of ind that is adult
L_bi cm 2.44049 2.38351 2.19371 2.23442 2.17251 2.21101 mean structural length of post-natals
L2_bi cm^2 6.0321 5.84737 5.11226 5.39331 5.09896 5.42123 mean squared structural length of post-natals
L3_bi cm^3 15.0416 14.6305 12.5274 13.8387 12.809 14.5148 mean cubed structural length of post-natals
Ww_bi g 24.3382 23.9167 21.917 24.2112 23.8803 27.0605 mean wet weight of post-natals
L_pi cm 2.4623 2.45213 2.33911 2.44012 2.38192 2.50495 mean structural length of adults
L2_pi cm^2 6.11629 6.1144 5.68524 6.23055 5.95017 6.67149 mean squared structural length of adults
L3_pi cm^3 15.2933 15.4379 14.2967 16.525 15.5431 18.7621 mean cubed structural length of adults
Ww_pi g 24.7454 25.2365 25.0125 28.9109 28.9776 34.979 mean wet weight of adults
R 1/d 0 0 2.39903e-06 0.000730088 0.0010334 0.00209323 mean reproduction rate of adults
J_X g/d 0.143962 0.143313 0.147962 0.156096 0.170184 0.18094 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.0546875 0.0546875 0.0546875 0.0546875 0.0546875 0.0546875 yield of faeces on food
Y_VX mol/mol 0 0 0.0805173 0.0341624 0.107885 0.0472446 yield of living structure on food
Y_VX_d mol/mol 0.0130826 0.0244582 0.000799461 0.0406735 0.000356644 0.0533837 yield of dead structure on food
Y_EX mol/mol 0 0 0.0603497 0.0256056 0.0932494 0.0408355 yield of living reserve on food
Y_EX_d mol/mol 0.00808573 0.0155239 0.000599216 0.0304858 0.000308262 0.0461418 yield of dead reserve on food
Y_CX mol/mol 0.750867 0.735581 0.652476 0.661688 0.604105 0.615637 yield of CO2 on food
Y_HX mol/mol 0.798358 0.782105 0.693743 0.703538 0.642313 0.654575 yield of H2O on food
Y_OX mol/mol -0.953024 -0.933622 -0.828142 -0.839835 -0.766748 -0.781385 yield of O2 on food
Y_NX mol/mol 0.173277 0.169749 0.150571 0.152697 0.139409 0.14207 yield of N-waste on food
mu_TX J/mol 479306 469699 417222 423030 386369 393665 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