Ilisha elongata: Population traits

at T = 27.9 °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: 2025/05/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.36186 0.410205 0.705103 0.705103 1 1 scaled functional response
r 1/d 0 0 0.00656571 0.000721288 0.0104088 0.00116703 spec pop growth rate
t2 d NaN NaN 105.571 960.986 66.5922 593.941 population doubling time
a_b d 13.844 13.5917 12.5157 12.5157 11.8394 11.8394 age at birth
t_j d 1090.51 913.81 464.58 464.58 314.787 314.787 time since birth at metam
t_p d 5381.22 3169.59 1210.53 1210.53 777.034 777.034 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_j - 0.999993 0.908789 0.999995 0.838628 0.999996 0.781024 survival probability at metam
S_p - 0.993542 0.00160573 0.99904 0.00145403 0.999581 0.00139964 survival probability at puberty
theta_0b - 0.00268348 0.0862104 0.0785282 0.155762 0.115533 0.207126 frac of ind that is embryo
theta_bj - 0.00270688 0.0828729 0.072713 0.142332 0.102559 0.181836 frac of ind between b and j
theta_jp - 0.209936 0.823978 0.805189 0.699403 0.748531 0.60903 frac of ind between j and p
theta_pi - 0.784674 0.00693859 0.0435699 0.00250207 0.0333775 0.0020073 frac of ind that is adult
L_bi cm 2.69578 0.254822 0.426704 0.237171 0.400366 0.235764 mean structural length of post-natals
L2_bi cm^2 8.87818 0.146299 0.421662 0.0986703 0.365951 0.0959261 mean squared structural length of post-natals
L3_bi cm^3 30.8274 0.326136 0.853256 0.200583 0.728687 0.214244 mean cubed structural length of post-natals
Ww_bi g 31.8215 0.338057 0.906867 0.213186 0.79362 0.233336 mean wet weight of post-natals
L_pi cm 3.27795 3.09647 2.24926 3.09925 2.26755 3.13187 mean structural length of adults
L2_pi cm^2 11.1742 10.6914 5.62548 12.3259 5.76269 13.4019 mean squared structural length of adults
L3_pi cm^3 39.0832 39.6774 15.7665 60.0114 16.6351 75.6753 mean cubed structural length of adults
Ww_pi g 40.3434 41.1277 16.7572 63.782 18.1175 82.4187 mean wet weight of adults
R 1/d 0 0 0 10.1332 2.34896 22.0629 mean reproduction rate of adults
J_X g/d 0.236326 0.00305412 0.0187175 0.00288145 0.0226314 0.00391521 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 0.299304 0.0502102 0.335145 0.0638611 yield of living structure on food
Y_VX_d mol/mol 0.0440581 0.124831 0.00030319 0.195771 0.000119094 0.224769 yield of dead structure on food
Y_EX mol/mol 0 0 0.0188056 0.00315477 0.0298646 0.00569063 yield of living reserve on food
Y_EX_d mol/mol 0.00142066 0.00456295 1.90498e-05 0.0123005 1.06124e-05 0.0200291 yield of dead reserve on food
Y_CX mol/mol 0.845146 0.761232 0.572194 0.629189 0.525486 0.576275 yield of CO2 on food
Y_HX mol/mol 0.608036 0.547664 0.411661 0.452666 0.378058 0.414598 yield of H2O on food
Y_OX mol/mol -0.919096 -0.827839 -0.62226 -0.684243 -0.571466 -0.626699 yield of O2 on food
Y_NX mol/mol 0.126772 0.114185 0.085829 0.0943783 0.0788229 0.0864413 yield of N-waste on food
mu_TX J/mol 449690 407575 312343 341009 288437 314039 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