Pheucticus melanocephalus: 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_min f_max date: 2023/10/03
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.894482 0.894482 0.90247 0.90247 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00475684 0.00475684 0.000924755 0.000924755 spec pop growth rate
t2 d NaN NaN NaN NaN 145.716 145.716 749.547 749.547 population doubling time
a_b d 7.42006 7.42596 7.41446 7.42031 7.35298 7.35831 7.35298 7.35831 age at birth
t_p d 99.1863 NaN 71.536 102.559 35.4157 36.5819 35.4157 36.5819 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.485542 0.488253 1 1 0.457784 0.460135 survival probability at puberty
theta_0b - 0.000772242 0.000775865 0.00393911 0.00388788 0.0343754 0.0343998 0.0394666 0.0388516 frac of ind that is embryo
theta_bp - 0.000772203 0.000775826 0.00267644 0.00264895 0.0331917 0.0332145 0.0258836 0.0255441 fraction of individuals that is juvenile
theta_pi - 0.998456 0.998448 0.993384 0.993463 0.932433 0.932386 0.93465 0.935604 frac of ind that is adult
L_bi cm 1.63525 1.62017 1.6477 1.63256 1.73831 1.72345 1.78364 1.76817 mean structural length of post-natals
L2_bi cm^2 2.6748 2.62567 2.71714 2.66737 3.06583 3.01281 3.21241 3.15601 mean squared structural length of post-natals
L3_bi cm^3 4.37597 4.25593 4.48282 4.36011 5.45664 5.31419 5.81702 5.66294 mean cubed structural length of post-natals
Ww_bi g 30.95 29.8624 31.9489 30.8277 42.5023 41.0596 45.3094 43.7542 mean wet weight of post-natals
L_pi cm 1.63582 1.62073 1.64977 1.63457 1.76753 1.75223 1.80825 1.79204 mean structural length of adults
L2_pi cm^2 2.67624 2.62708 2.72235 2.6724 3.14465 3.08992 3.27889 3.22008 mean squared structural length of adults
L3_pi cm^3 4.37877 4.25867 4.493 4.36987 5.62241 5.47518 5.95748 5.7973 mean cubed structural length of adults
Ww_pi g 30.9699 29.8816 32.0214 30.8966 43.7936 42.3035 46.4034 44.7923 mean wet weight of adults
R 1/d 0.000159901 0 0.000999291 9.5243e-05 0.00882201 0.00785506 0.0110335 0.00999343 mean reproduction rate of adults
J_X g/d 7.14303 6.94708 7.32091 7.12044 9.1531 8.91174 9.59071 9.3353 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.0028358 0.00283657 0.000560889 0.00056097 yield of living structure on food
Y_VX_d mol/mol 6.39505e-05 6.41987e-05 0.000135563 0.000135584 9.02203e-08 9.11191e-08 0.000674177 0.000670293 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0192525 0.0190799 0.00380793 0.00377332 yield of living reserve on food
Y_EX_d mol/mol 0.000388354 0.000386261 0.000830593 0.000823045 6.12515e-07 6.12904e-07 0.00457706 0.00450866 yield of dead reserve on food
Y_CX mol/mol 0.723265 0.723267 0.722848 0.722854 0.705685 0.705825 0.715817 0.715903 yield of CO2 on food
Y_HX mol/mol 0.769999 0.770001 0.769555 0.769561 0.751284 0.751432 0.762069 0.762162 yield of H2O on food
Y_OX mol/mol -0.917991 -0.917992 -0.917461 -0.917468 -0.895678 -0.895855 -0.908536 -0.908647 yield of O2 on food
Y_NX mol/mol 0.166907 0.166908 0.166811 0.166812 0.16285 0.162883 0.165188 0.165208 yield of N-waste on food
mu_TX J/mol 464109 464110 463835 463839 452546 452639 459210 459267 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer