Passerculus sandwichensis: 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_minf f_max date: 2025/05/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.994848 0.997357 0.998678 0.998678 1 1 scaled functional response
r 1/d 0 0 0.0025752 0.000214041 0.00324121 0.000390144 spec pop growth rate
t2 d NaN NaN 269.163 3238.38 213.854 1776.65 population doubling time
a_b d 5.27593 5.27498 5.27448 5.27448 5.27398 5.27398 age at birth
t_p d 104.97 76.4016 71.1989 71.1989 67.4546 67.4546 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.414525 1 0.414252 1 0.413981 survival probability at puberty
theta_0b - 0.00145966 0.0110302 0.0135089 0.0158368 0.0169649 0.02047 frac of ind that is embryo
theta_bp - 0.00145852 0.0069059 0.0133163 0.00990181 0.0166644 0.0127836 fraction of individuals that is juvenile
theta_pi - 0.997082 0.982064 0.973175 0.974261 0.966371 0.966746 frac of ind that is adult
L_bi cm 1.01024 1.00834 0.993853 1.0066 0.989477 1.00494 mean structural length of post-natals
L2_bi cm^2 1.02139 1.01971 0.994769 1.01749 0.987752 1.0154 mean squared structural length of post-natals
L3_bi cm^3 1.03314 1.03272 0.999821 1.0307 0.991157 1.02882 mean cubed structural length of post-natals
Ww_bi g 28.3702 28.4277 27.5572 28.4082 27.3532 28.3926 mean wet weight of post-natals
L_pi cm 1.01103 1.0122 1.00097 1.01217 0.998366 1.01216 mean structural length of adults
L2_pi cm^2 1.02255 1.02537 1.00526 1.02566 1.00085 1.02599 mean squared structural length of adults
L3_pi cm^3 1.03449 1.03927 1.01198 1.04014 1.00633 1.04108 mean cubed structural length of adults
Ww_pi g 28.4073 28.608 27.8923 28.6685 27.7719 28.7309 mean wet weight of adults
R 1/d 0 0.000855232 0 0.00129487 0 0.00176597 mean reproduction rate of adults
J_X g/d 9.23535 9.24333 9.02924 9.2355 8.97741 9.22871 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 0.000285155 2.38874e-05 0.000357848 4.34933e-05 yield of living structure on food
Y_VX_d mol/mol 3.11392e-05 7.09791e-05 1.70404e-07 7.8481e-05 7.1747e-08 8.94559e-05 yield of dead structure on food
Y_EX mol/mol 0 0 0.00757432 0.000634499 0.00951778 0.0011568 yield of living reserve on food
Y_EX_d mol/mol 0.000823952 0.00188286 4.5263e-06 0.00208462 1.90827e-06 0.00237928 yield of dead reserve on food
Y_CX mol/mol 0.722938 0.722045 0.717243 0.72134 0.715607 0.720652 yield of CO2 on food
Y_HX mol/mol 0.769651 0.768701 0.763588 0.76795 0.761846 0.767217 yield of H2O on food
Y_OX mol/mol -0.917575 -0.916442 -0.910347 -0.915547 -0.908271 -0.914673 yield of O2 on food
Y_NX mol/mol 0.166832 0.166626 0.165518 0.166463 0.16514 0.166304 yield of N-waste on food
mu_TX J/mol 463890 463298 460112 462830 459026 462373 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