Spinus tristis: 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 - 0.904169 0.909709 0.954854 0.954854 1 1 scaled functional response
r 1/d 0 0 0.00516797 0.00129795 0.00854395 0.00220275 spec pop growth rate
t2 d NaN NaN 134.124 534.032 81.1273 314.673 population doubling time
a_b d 7.88191 7.87713 7.84 7.84 7.80592 7.80592 age at birth
t_p d 114.051 85.6577 50.5009 50.5009 40.8314 40.8314 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.521392 1 0.506213 1 0.492607 survival probability at puberty
theta_0b - 0.0016111 0.007313 0.0397119 0.0473328 0.0645166 0.0804148 frac of ind that is embryo
theta_bp - 0.00161124 0.00516571 0.0381379 0.0326272 0.060358 0.0543225 fraction of individuals that is juvenile
theta_pi - 0.996778 0.987521 0.92215 0.92004 0.875125 0.865263 frac of ind that is adult
L_bi cm 1.3436 1.34859 1.34821 1.37848 1.36089 1.40795 mean structural length of post-natals
L2_bi cm^2 1.80625 1.8214 1.84272 1.92013 1.89486 2.02067 mean squared structural length of post-natals
L3_bi cm^3 2.42908 2.46217 2.54158 2.69148 2.67911 2.93362 mean cubed structural length of post-natals
Ww_bi g 11.4799 11.6925 12.5424 13.2822 13.7195 15.0229 mean wet weight of post-natals
L_pi cm 1.34454 1.35173 1.37217 1.4006 1.40127 1.44859 mean structural length of adults
L2_pi cm^2 1.80823 1.82797 1.89426 1.96782 1.98364 2.11082 mean squared structural length of adults
L3_pi cm^3 2.43228 2.47279 2.62738 2.77123 2.83075 3.08928 mean cubed structural length of adults
Ww_pi g 11.495 11.7429 12.9658 13.6757 14.4961 15.82 mean wet weight of adults
R 1/d 0.000158434 0.00151582 0.00695977 0.011313 0.0135733 0.0212141 mean reproduction rate of adults
J_X g/d 2.47797 2.51405 2.66971 2.78186 2.87504 3.06594 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 0.00491992 0.00125578 0.0079617 0.00210769 yield of living structure on food
Y_VX_d mol/mol 0.000201676 0.000415887 1.1251e-06 0.00141391 4.01931e-07 0.00238798 yield of dead structure on food
Y_EX mol/mol 0 0 0.0193594 0.00494137 0.0328096 0.00868565 yield of living reserve on food
Y_EX_d mol/mol 0.000751448 0.0015591 4.42716e-06 0.00556358 1.65633e-06 0.00984071 yield of dead reserve on food
Y_CX mol/mol 0.722858 0.722028 0.703901 0.712928 0.690504 0.704927 yield of CO2 on food
Y_HX mol/mol 0.769566 0.768682 0.749384 0.758995 0.735122 0.750477 yield of H2O on food
Y_OX mol/mol -0.917474 -0.91642 -0.893413 -0.904871 -0.876409 -0.894716 yield of O2 on food
Y_NX mol/mol 0.166813 0.166622 0.162439 0.164522 0.159347 0.162676 yield of N-waste on food
mu_TX J/mol 463845 463303 451462 457359 442697 452124 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