Urogymnus polylepis: Population traits

at T = 27.6 °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: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.507132 NaN 0.753566 NaN 1 1 scaled functional response
r 1/d 0 0 0.000355924 NaN 0.000508529 NaN spec pop growth rate
t2 d NaN NaN 1947.46 NaN 1363.04 NaN population doubling time
a_b d 247.075 NaN 239.708 NaN 235.748 NaN age at birth
t_p d 2273.78 NaN 1395.98 NaN 1161.85 NaN time since birth at puberty
S_b - 0.999944 NaN 0.999949 NaN 0.999951 NaN survival probability at birth
S_p - 0.999677 NaN 0.999722 NaN 0.999744 NaN survival probability at puberty
theta_0b - 0.0384136 NaN 0.0926036 NaN 0.118954 NaN frac of ind that is embryo
theta_bp - 0.038413 NaN 0.0850269 NaN 0.105508 NaN fraction of individuals that is juvenile
theta_pi - 0.923173 NaN 0.82237 NaN 0.775538 NaN frac of ind that is adult
L_bi cm 18.2891 NaN 19.8306 NaN 20.8982 NaN mean structural length of post-natals
L2_bi cm^2 355.466 NaN 459.083 NaN 541.067 NaN mean squared structural length of post-natals
L3_bi cm^3 7144.88 NaN 11618.7 NaN 15915.8 NaN mean cubed structural length of post-natals
Ww_bi g 28383.3 NaN 62938.6 NaN 109206 NaN mean wet weight of post-natals
L_pi cm 18.8008 NaN 21.2369 NaN 22.8751 NaN mean structural length of adults
L2_pi cm^2 368.737 NaN 502.448 NaN 609.022 NaN mean squared structural length of adults
L3_pi cm^3 7432.77 NaN 12793.3 NaN 18043.3 NaN mean cubed structural length of adults
Ww_pi g 29526.9 NaN 69301.5 NaN 123804 NaN mean wet weight of adults
R 1/d 0.000223818 NaN 0.000799536 NaN 0.00114824 NaN mean reproduction rate of adults
J_X g/d 86.6088 NaN 166.209 NaN 259.952 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 NaN 0.0248806 NaN 0.0311352 NaN yield of living structure on food
Y_VX_d mol/mol 0.0193209 NaN 0.0083198 NaN 0.00551511 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.109897 NaN 0.182498 NaN yield of living reserve on food
Y_EX_d mol/mol 0.057432 NaN 0.0367486 NaN 0.0323266 NaN yield of dead reserve on food
Y_CX mol/mol 0.752832 NaN 0.65747 NaN 0.591214 NaN yield of CO2 on food
Y_HX mol/mol 0.646576 NaN 0.564674 NaN 0.507769 NaN yield of H2O on food
Y_OX mol/mol -0.885086 NaN -0.772972 NaN -0.695076 NaN yield of O2 on food
Y_NX mol/mol 0.0610404 NaN 0.0533084 NaN 0.0479363 NaN yield of N-waste on food
mu_TX J/mol 423805 NaN 368741 NaN 330173 NaN 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