Mecocerculus stictopterus: Population traits

at T = 40.2 °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: 2026/06/14
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - NaN NaN NaN NaN 1 1 scaled functional response
r 1/d 0 0 NaN NaN 0.00239355 0.000257802 spec pop growth rate
t2 d NaN NaN NaN NaN 289.589 2688.68 population doubling time
a_b d NaN NaN NaN NaN 6.63342 6.63342 age at birth
t_p d NaN NaN NaN NaN 41.4478 41.4478 time since birth at puberty
S_b - NaN NaN NaN NaN 1 1 survival probability at birth
S_p - NaN NaN NaN NaN 1 0.467492 survival probability at puberty
theta_0b - NaN NaN NaN NaN 0.0159749 0.0169371 frac of ind that is embryo
theta_bp - NaN NaN NaN NaN 0.0157212 0.0112134 fraction of individuals that is juvenile
theta_pi - NaN NaN NaN NaN 0.968304 0.971849 frac of ind that is adult
L_bi cm NaN NaN NaN NaN 0.634912 0.640556 mean structural length of post-natals
L2_bi cm^2 NaN NaN NaN NaN 0.405009 0.411535 mean squared structural length of post-natals
L3_bi cm^3 NaN NaN NaN NaN 0.25914 0.264866 mean cubed structural length of post-natals
Ww_bi g NaN NaN NaN NaN 8.55901 8.74815 mean wet weight of post-natals
L_pi cm NaN NaN NaN NaN 0.639263 0.643812 mean structural length of adults
L2_pi cm^2 NaN NaN NaN NaN 0.409374 0.414783 mean squared structural length of adults
L3_pi cm^3 NaN NaN NaN NaN 0.262518 0.267372 mean cubed structural length of adults
Ww_pi g NaN NaN NaN NaN 8.67059 8.8309 mean wet weight of adults
R 1/d NaN NaN NaN NaN 0.00518158 0.00531861 mean reproduction rate of adults
J_X g/d NaN NaN NaN NaN 2.50177 2.54208 mean ingestion rate of wet food by post-natals
Y_PX mol/mol NaN NaN NaN NaN 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol NaN NaN NaN NaN 0.000247931 2.68611e-05 yield of living structure on food
Y_VX_d mol/mol NaN NaN NaN NaN 3.67681e-06 9.17597e-05 yield of dead structure on food
Y_EX mol/mol NaN NaN NaN NaN 0.00794086 0.000860322 yield of living reserve on food
Y_EX_d mol/mol NaN NaN NaN NaN 0.000117763 0.00293893 yield of dead reserve on food
Y_CX mol/mol NaN NaN NaN NaN 0.716881 0.72045 yield of CO2 on food
Y_HX mol/mol NaN NaN NaN NaN 0.763202 0.767002 yield of H2O on food
Y_OX mol/mol NaN NaN NaN NaN -0.909887 -0.914417 yield of O2 on food
Y_NX mol/mol NaN NaN NaN NaN 0.165434 0.166258 yield of N-waste on food
mu_TX J/mol NaN NaN NaN NaN 459869 462238 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