Pica pica: 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 - 0.913953 0.923175 0.961588 0.961588 1 1 scaled functional response
r 1/d 0 0 0.00304004 0.000489913 0.00474121 0.00082583 spec pop growth rate
t2 d NaN NaN 228.006 1414.84 146.196 839.334 population doubling time
a_b d 12.6971 12.6878 12.6511 12.6511 12.617 12.617 age at birth
t_p d 222.666 151.108 100.77 100.77 83.7011 83.7011 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.434404 1 0.42569 1 0.41775 survival probability at puberty
theta_0b - 0.00157368 0.011758 0.0377404 0.048535 0.0580731 0.0792592 frac of ind that is embryo
theta_bp - 0.00157357 0.00756628 0.0363137 0.03075 0.0546968 0.0495685 fraction of individuals that is juvenile
theta_pi - 0.996853 0.980676 0.925946 0.920715 0.88723 0.871172 frac of ind that is adult
L_bi cm 2.49672 2.50911 2.45696 2.54436 2.45411 2.58022 mean structural length of post-natals
L2_bi cm^2 6.23923 6.31669 6.16589 6.56975 6.22339 6.82989 mean squared structural length of post-natals
L3_bi cm^3 15.5998 15.9294 15.6712 17.0916 16.1005 18.3164 mean cubed structural length of post-natals
Ww_bi g 130.081 134.009 136.67 149.058 145.38 165.388 mean wet weight of post-natals
L_pi cm 2.49882 2.51973 2.50735 2.59131 2.53272 2.66191 mean structural length of adults
L2_pi cm^2 6.24691 6.35539 6.35304 6.74519 6.52007 7.14278 mean squared structural length of adults
L3_pi cm^3 15.6218 16.0406 16.22 17.6109 16.9875 19.2691 mean cubed structural length of adults
Ww_pi g 130.264 134.944 141.456 153.586 153.389 173.991 mean wet weight of adults
R 1/d 0 0.00147721 0.00226925 0.0068631 0.00490656 0.0122496 mean reproduction rate of adults
J_X g/d 14.4431 14.7699 15.0172 16.0008 15.7627 17.2989 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 0.00317244 0.000523311 0.0048428 0.000874404 yield of living structure on food
Y_VX_d mol/mol 0.000134908 0.000306082 8.25149e-07 0.000736851 3.31203e-07 0.0011758 yield of dead structure on food
Y_EX mol/mol 0 0 0.0244947 0.00404053 0.0388853 0.00702104 yield of living reserve on food
Y_EX_d mol/mol 0.000990039 0.00226888 6.37105e-06 0.00568929 2.65941e-06 0.00944112 yield of dead reserve on food
Y_CX mol/mol 0.722719 0.721541 0.701147 0.714703 0.688101 0.708592 yield of CO2 on food
Y_HX mol/mol 0.769418 0.768163 0.746452 0.760884 0.732563 0.754377 yield of H2O on food
Y_OX mol/mol -0.917297 -0.915802 -0.889918 -0.907124 -0.873359 -0.899366 yield of O2 on food
Y_NX mol/mol 0.166781 0.166509 0.161803 0.164932 0.158793 0.163521 yield of N-waste on food
mu_TX J/mol 463749 462973 449542 458470 440941 454441 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