Siganus fuscescens: Population traits

at T = 27 °C with background hazards for embryo, larva, juv, adult: 0, 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 abj f_minf f_max date: 2025/02/28
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.169386 0.209696 0.604848 0.604848 1 1 scaled functional response
r 1/d 0 0 0.0290362 0.00141663 0.0523841 0.0022229 spec pop growth rate
t2 d NaN NaN 23.8718 489.295 13.232 311.821 population doubling time
a_b d 6.07702 5.86835 4.91122 4.91122 4.5205 4.5205 age at birth
t_j d 110.719 88.2943 32.0663 32.0663 21.163 21.163 time since birth at metam
t_p d 1614.22 856.59 213.116 213.116 134.35 134.35 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 0.999998 0.737142 0.999999 0.493352 0.999999 0.372924 survival probability at metam
S_p - 0.999888 0.0101667 0.999991 0.00992114 0.999996 0.00987452 survival probability at puberty
theta_0b - 0.00196379 0.226564 0.132627 0.412076 0.210528 0.495432 frac of ind that is embryo
theta_bj - 0.001973 0.196078 0.115277 0.294323 0.166463 0.312753 frac of ind between b and j
theta_jp - 0.0339718 0.542283 0.410248 0.277233 0.362469 0.178376 frac of ind between j and p
theta_pi - 0.962091 0.0350751 0.341848 0.0163668 0.260539 0.0134381 frac of ind that is adult
L_bi cm 1.20917 0.0944473 0.238581 0.0750042 0.199691 0.0735754 mean structural length of post-natals
L2_bi cm^2 1.599 0.0551858 0.123872 0.0355426 0.0882763 0.0352142 mean squared structural length of post-natals
L3_bi cm^3 2.1781 0.0799192 0.0987375 0.0938683 0.0627531 0.117404 mean cubed structural length of post-natals
Ww_bi g 2.31599 0.0861826 0.121057 0.115088 0.0862062 0.161282 mean wet weight of post-natals
L_pi cm 1.25083 0.86883 0.475561 0.684568 0.437314 0.658781 mean structural length of adults
L2_pi cm^2 1.65835 1.13723 0.301048 1.14517 0.250689 1.18441 mean squared structural length of adults
L3_pi cm^3 2.25943 1.75608 0.248943 3.36168 0.188171 4.39749 mean cubed structural length of adults
Ww_pi g 2.40246 1.8937 0.305217 4.1216 0.258497 6.04099 mean wet weight of adults
R 1/d 0 0 0 7.48743 0 14.2548 mean reproduction rate of adults
J_X g/d 0.022515 0.000928607 0.00620465 0.00169919 0.00726238 0.00278556 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 0.462066 0.0782587 0.452643 0.0936893 yield of living structure on food
Y_VX_d mol/mol 0.043902 0.10894 3.08121e-05 0.18304 8.5435e-06 0.204822 yield of dead structure on food
Y_EX mol/mol 0 0 0.104452 0.0176907 0.169169 0.0350151 yield of living reserve on food
Y_EX_d mol/mol 0.00277924 0.00853774 6.96519e-06 0.041377 3.19302e-06 0.0765494 yield of dead reserve on food
Y_CX mol/mol 0.843944 0.773147 0.324069 0.570258 0.268801 0.48055 yield of CO2 on food
Y_HX mol/mol 0.607171 0.556236 0.23315 0.410269 0.193388 0.345729 yield of H2O on food
Y_OX mol/mol -0.917789 -0.840798 -0.352425 -0.620156 -0.292321 -0.522598 yield of O2 on food
Y_NX mol/mol 0.126592 0.115972 0.0486104 0.0855388 0.0403202 0.0720824 yield of N-waste on food
mu_TX J/mol 449020 413334 183999 309363 153129 261884 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