Spizella passerina: 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: 2023/10/03
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.86362 0.871406 0.935703 0.935703 1 1 scaled functional response
r 1/d 0 0 0.00462109 0.00132591 0.00799023 0.00221342 spec pop growth rate
t2 d NaN NaN 149.996 522.771 86.7493 313.156 population doubling time
a_b d 7.32414 7.31726 7.26443 7.26443 7.21786 7.21786 age at birth
t_p d 75.4776 57.6757 32.2599 32.2599 25.457 25.457 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.564369 1 0.537837 1 0.515328 survival probability at puberty
theta_0b - 0.00166299 0.00570736 0.0330239 0.0363526 0.056043 0.0638813 frac of ind that is embryo
theta_bp - 0.0016631 0.00419058 0.0319353 0.0258081 0.0529041 0.0441199 fraction of individuals that is juvenile
theta_pi - 0.996674 0.990102 0.935041 0.937839 0.891053 0.891999 frac of ind that is adult
L_bi cm 1.13036 1.13897 1.18477 1.20176 1.22899 1.26079 mean structural length of post-natals
L2_bi cm^2 1.27816 1.29831 1.41515 1.45298 1.5339 1.60899 mean squared structural length of post-natals
L3_bi cm^3 1.44565 1.48074 1.6999 1.7636 1.93491 2.06916 mean cubed structural length of post-natals
Ww_bi g 7.06391 7.2873 8.85767 9.1896 10.6421 11.3805 mean wet weight of post-natals
L_pi cm 1.13104 1.14077 1.20011 1.2149 1.25765 1.28687 mean structural length of adults
L2_pi cm^2 1.27942 1.30163 1.44486 1.47841 1.59161 1.66171 mean squared structural length of adults
L3_pi cm^3 1.44742 1.48544 1.74404 1.80141 2.02447 2.15143 mean cubed structural length of adults
Ww_pi g 7.07257 7.3104 9.08771 9.38664 11.1347 11.833 mean wet weight of adults
R 1/d 0.000367767 0.00146238 0.00871746 0.0102036 0.0160242 0.0192038 mean reproduction rate of adults
J_X g/d 1.93398 1.98218 2.31999 2.38201 2.68745 2.81902 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 0.00338596 0.000981681 0.00575282 0.00162465 yield of living structure on food
Y_VX_d mol/mol 0.000170651 0.000328127 1.5042e-06 0.00100168 4.9226e-07 0.0017028 yield of dead structure on food
Y_EX mol/mol 0 0 0.0142573 0.00413358 0.025888 0.00731102 yield of living reserve on food
Y_EX_d mol/mol 0.000663207 0.00128671 6.33376e-06 0.00421779 2.2152e-06 0.0076627 yield of dead reserve on food
Y_CX mol/mol 0.722955 0.722321 0.709291 0.715236 0.697922 0.708763 yield of CO2 on food
Y_HX mol/mol 0.769669 0.768994 0.755122 0.761451 0.743019 0.75456 yield of H2O on food
Y_OX mol/mol -0.917597 -0.916792 -0.900254 -0.907799 -0.885825 -0.899584 yield of O2 on food
Y_NX mol/mol 0.166836 0.166689 0.163683 0.165054 0.161059 0.163561 yield of N-waste on food
mu_TX J/mol 463908 463494 454974 458860 447524 454619 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