Ilisha pristigastroides: 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: 2025/05/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.458891 0.460963 0.730482 0.730482 1 1 scaled functional response
r 1/d 0 0 0.0176202 0.00431625 0.0231138 0.00535454 spec pop growth rate
t2 d NaN NaN 39.3382 160.59 29.9885 129.45 population doubling time
a_b d 7.45122 7.44897 7.25618 7.25618 7.16078 7.16078 age at birth
t_j d 0.829121 0.828039 0.740201 0.740201 0.700105 0.700105 time since birth at metam
t_p d 1017.77 974.275 364.926 364.926 293.926 293.926 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.777945 1 0.775703 1 0.774714 survival probability at metam
S_p - 0.999998 0.283659 0.999998 0.257657 0.999999 0.245337 survival probability at puberty
theta_0b - 0.0056029 0.382449 0.119988 0.507418 0.152496 0.529518 frac of ind that is embryo
theta_bj - 0.000623756 0.0376144 0.0114048 0.0449515 0.013605 0.0447605 frac of ind between b and j
theta_jp - 0.00498187 0.159233 0.0942297 0.197213 0.115683 0.200416 frac of ind between j and p
theta_pi - 0.988791 0.420703 0.774378 0.250418 0.718216 0.225305 frac of ind that is adult
L_bi cm 1.46477 0.621349 0.581364 0.301595 0.522652 0.283204 mean structural length of post-natals
L2_bi cm^2 2.26202 0.755869 0.503565 0.220825 0.421662 0.198049 mean squared structural length of post-natals
L3_bi cm^3 3.5679 1.11172 0.557698 0.295658 0.453865 0.280018 mean cubed structural length of post-natals
Ww_bi g 17.8736 5.58934 4.11725 2.18272 4.41951 2.72667 mean wet weight of post-natals
L_pi cm 1.47239 0.858663 0.643708 0.480463 0.594026 0.463045 mean structural length of adults
L2_pi cm^2 2.27476 1.10326 0.57008 0.42076 0.494602 0.397861 mean squared structural length of adults
L3_pi cm^3 3.58811 1.63113 0.633487 0.579873 0.535168 0.582741 mean cubed structural length of adults
Ww_pi g 17.9748 8.20078 4.67677 4.28095 5.21119 5.67443 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.490168 0.16453 0.173869 0.0762356 0.199391 0.0936368 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 0.0565181 0.0167393 0.052613 0.0160126 yield of living structure on food
Y_VX_d mol/mol 0.00697494 0.0167265 4.30577e-05 0.0324445 1.89381e-05 0.0306501 yield of dead structure on food
Y_EX mol/mol 0 0 0.360731 0.10684 0.459705 0.13991 yield of living reserve on food
Y_EX_d mol/mol 0.0279664 0.0673685 0.000274819 0.207079 0.000165472 0.267805 yield of dead reserve on food
Y_CX mol/mol 0.855684 0.80653 0.473058 0.527522 0.378123 0.436248 yield of CO2 on food
Y_HX mol/mol 0.615617 0.580254 0.340339 0.379523 0.272038 0.313856 yield of H2O on food
Y_OX mol/mol -0.930556 -0.877101 -0.514451 -0.57368 -0.411208 -0.474419 yield of O2 on food
Y_NX mol/mol 0.128353 0.12098 0.0709587 0.0791282 0.0567184 0.0654372 yield of N-waste on food
mu_TX J/mol 453631 427084 245666 275252 193255 224926 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