Spizella pusilla: Population traits

at T = 40.5 °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: 2023/10/03
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.843055 0.853302 0.926651 0.926651 1 1 scaled functional response
r 1/d 0 0 0.00470508 0.00130058 0.00805957 0.00212914 spec pop growth rate
t2 d NaN NaN 147.319 532.954 86.003 325.553 population doubling time
a_b d 8.07155 8.06209 8.00038 8.00038 7.9476 7.9476 age at birth
t_p d 68.9755 51.4618 28.6652 28.6652 22.4904 22.4904 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.541084 1 0.511327 1 0.486947 survival probability at puberty
theta_0b - 0.00207806 0.00715985 0.0369711 0.0405606 0.0620644 0.0705528 frac of ind that is embryo
theta_bp - 0.00207764 0.00512454 0.0355979 0.0279384 0.0582014 0.047141 fraction of individuals that is juvenile
theta_pi - 0.995844 0.987716 0.927431 0.931501 0.879734 0.882306 frac of ind that is adult
L_bi cm 0.896865 0.906323 0.952275 0.966868 0.995327 1.02341 mean structural length of post-natals
L2_bi cm^2 0.804689 0.822186 0.914698 0.940791 1.0073 1.06102 mean squared structural length of post-natals
L3_bi cm^3 0.722188 0.746318 0.883844 0.919151 1.03107 1.10891 mean cubed structural length of post-natals
Ww_bi g 6.3052 6.58601 8.3941 8.72942 10.4858 11.2775 mean wet weight of post-natals
L_pi cm 0.897524 0.908049 0.966043 0.978378 1.02127 1.04651 mean structural length of adults
L2_pi cm^2 0.805658 0.82473 0.936163 0.958715 1.04962 1.09883 mean squared structural length of adults
L3_pi cm^3 0.723276 0.749188 0.909527 0.940604 1.08432 1.15676 mean cubed structural length of adults
Ww_pi g 6.31471 6.61133 8.63802 8.93317 11.0274 11.7641 mean wet weight of adults
R 1/d 0.00043603 0.0016969 0.00912459 0.0105147 0.0165037 0.0196008 mean reproduction rate of adults
J_X g/d 1.70258 1.76074 2.12724 2.18793 2.52802 2.66285 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 0.0019549 0.000546374 0.00328715 0.000886654 yield of living structure on food
Y_VX_d mol/mol 0.00010987 0.000211493 1.25622e-06 0.000575174 4.19268e-07 0.000954282 yield of dead structure on food
Y_EX mol/mol 0 0 0.0166113 0.00464269 0.0301427 0.00813049 yield of living reserve on food
Y_EX_d mol/mol 0.000849375 0.00165486 1.06744e-05 0.00488741 3.84463e-06 0.00875064 yield of dead reserve on food
Y_CX mol/mol 0.722853 0.722116 0.708538 0.714978 0.696468 0.708421 yield of CO2 on food
Y_HX mol/mol 0.769561 0.768776 0.754321 0.761177 0.74147 0.754196 yield of H2O on food
Y_OX mol/mol -0.917468 -0.916532 -0.899298 -0.907473 -0.883978 -0.89915 yield of O2 on food
Y_NX mol/mol 0.166812 0.166642 0.163509 0.164995 0.160723 0.163482 yield of N-waste on food
mu_TX J/mol 463837 463352 454401 458646 446432 454317 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