Fulica americana: Population traits

at T = 40.4 °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: 2023/10/04
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.966322 0.966322 0.967594 0.967594 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00701887 0.00701887 0.00188728 0.00188728 spec pop growth rate
t2 d NaN NaN NaN NaN 98.7548 98.7548 367.274 367.274 population doubling time
a_b d 16.6158 16.5701 16.6144 16.5687 16.5786 16.5346 16.5786 16.5346 age at birth
t_p d 390.559 138.178 289.295 136.915 146.963 114.448 146.963 114.448 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.39113 0.383876 1 1 0.385442 0.378526 survival probability at puberty
theta_0b - 0.00194674 0.001901 0.0172206 0.0182456 0.11005 0.109772 0.194692 0.204241 frac of ind that is embryo
theta_bp - 0.00194246 0.00189687 0.0104583 0.0109852 0.0977599 0.0975457 0.114107 0.118723 fraction of individuals that is juvenile
theta_pi - 0.996111 0.996202 0.972321 0.970769 0.79219 0.792682 0.691201 0.677036 frac of ind that is adult
L_bi cm 1.45953 1.52235 1.45071 1.51196 1.25287 1.29288 1.29572 1.33236 mean structural length of post-natals
L2_bi cm^2 2.13284 2.32058 2.11504 2.29874 1.65586 1.77035 1.7885 1.90505 mean squared structural length of post-natals
L3_bi cm^3 3.11891 3.5399 3.09099 3.50405 2.26453 2.51384 2.5557 2.82964 mean cubed structural length of post-natals
Ww_bi g 503.129 595.561 499.277 590.3 377.956 437.587 426.553 492.558 mean wet weight of post-natals
L_pi cm 1.46113 1.52402 1.45968 1.52206 1.32859 1.37287 1.40763 1.45721 mean structural length of adults
L2_pi cm^2 2.13619 2.3242 2.13363 2.32033 1.80887 1.93641 2.01953 2.17029 mean squared structural length of adults
L3_pi cm^3 3.12445 3.54611 3.12157 3.54086 2.51001 2.78869 2.93642 3.28145 mean cubed structural length of adults
Ww_pi g 504.023 596.605 504.217 596.501 418.928 485.429 490.096 571.205 mean wet weight of adults
R 1/d 0 0.0621616 0 0.061299 0 0 0 0.0211175 mean reproduction rate of adults
J_X g/d 42.1557 47.8481 41.8589 47.46 33.8689 37.775 36.5817 40.6492 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 0.000469293 0.00046709 0.00013185 0.000131376 yield of living structure on food
Y_VX_d mol/mol 8.7354e-06 8.55552e-06 2.03175e-05 2.01258e-05 4.46888e-09 4.25454e-09 0.000174262 0.000176992 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0778571 0.0808396 0.0218744 0.0227373 yield of living reserve on food
Y_EX_d mol/mol 0.00140042 0.00143084 0.0032615 0.00337031 7.414e-07 7.36336e-07 0.0289105 0.0306322 yield of dead reserve on food
Y_CX mol/mol 0.722488 0.722463 0.720966 0.720878 0.659992 0.65757 0.682121 0.68002 yield of CO2 on food
Y_HX mol/mol 0.769172 0.769146 0.767552 0.767458 0.702638 0.70006 0.726197 0.723959 yield of H2O on food
Y_OX mol/mol -0.917004 -0.916973 -0.915073 -0.914961 -0.837682 -0.834609 -0.865769 -0.863102 yield of O2 on food
Y_NX mol/mol 0.166728 0.166722 0.166377 0.166356 0.152306 0.151747 0.157413 0.156928 yield of N-waste on food
mu_TX J/mol 463589 463573 462577 462518 422011 420399 436734 435335 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