Brycinus macrolepidotus: Population traits

at T = 25 °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: 2024/10/05
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.282804 0.460237 0.730119 0.730119 1 1 scaled functional response
r 1/d 0 0 0.0112285 0.000291375 0.014086 0.000422198 spec pop growth rate
t2 d NaN NaN 61.7308 2378.89 49.2082 1641.76 population doubling time
a_b d 7.6621 7.10293 6.66128 6.66128 6.41154 6.41154 age at birth
t_j d 14.4117 10.0094 7.46333 7.46333 6.3031 6.3031 time since birth at metam
t_p d 2396.27 780.474 487.869 487.869 386.367 386.367 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 0.999998 0.288774 0.999999 0.208808 0.999999 0.172578 survival probability at metam
S_p - 0.999997 0.173707 0.999999 0.172919 0.999999 0.169152 survival probability at puberty
theta_0b - 0.00236217 0.462958 0.0719766 0.532299 0.0862516 0.568141 frac of ind that is embryo
theta_bj - 0.00236666 0.265531 0.0668873 0.268828 0.0776351 0.262811 frac of ind between b and j
theta_jp - 0.0020848 0.0429592 0.00772122 0.0121781 0.00127629 0.00163755 frac of ind between j and p
theta_pi - 0.993186 0.228551 0.853415 0.186695 0.834837 0.16741 frac of ind that is adult
L_bi cm 2.30106 0.418612 0.80116 0.3399 0.78297 0.317565 mean structural length of post-natals
L2_bi cm^2 5.71247 0.991136 1.09771 0.883976 1.07467 0.893519 mean squared structural length of post-natals
L3_bi cm^3 14.602 3.63123 2.05621 4.50198 2.06498 5.66166 mean cubed structural length of post-natals
Ww_bi g 19.551 5.63409 3.85539 8.44121 4.53972 12.4468 mean wet weight of post-natals
L_pi cm 2.31097 0.871597 0.86334 0.726457 0.848431 0.687552 mean structural length of adults
L2_pi cm^2 5.73803 2.31939 1.19294 2.20383 1.17545 2.29369 mean squared structural length of adults
L3_pi cm^3 14.6674 8.5317 2.2359 11.2772 2.26009 14.6041 mean cubed structural length of adults
Ww_pi g 19.6386 13.2375 4.19231 21.1448 4.96866 32.1062 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.165911 0.0469258 0.0826514 0.0664822 0.110899 0.0920998 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 0.279344 0.019731 0.262287 0.0259538 yield of living structure on food
Y_VX_d mol/mol 0.0376299 0.0839153 0.000126331 0.0894073 6.95113e-05 0.089517 yield of dead structure on food
Y_EX mol/mol 0 0 0.244426 0.0172647 0.314334 0.0311039 yield of living reserve on food
Y_EX_d mol/mol 0.0127536 0.0462847 0.000110539 0.0782314 8.33048e-05 0.10728 yield of dead reserve on food
Y_CX mol/mol 0.840242 0.760425 0.366617 0.685991 0.313851 0.63677 yield of CO2 on food
Y_HX mol/mol 0.604507 0.547084 0.263761 0.493532 0.225798 0.458121 yield of H2O on food
Y_OX mol/mol -0.913763 -0.826962 -0.398696 -0.746015 -0.341313 -0.692487 yield of O2 on food
Y_NX mol/mol 0.126036 0.114064 0.0549926 0.102899 0.0470777 0.0955155 yield of N-waste on food
mu_TX J/mol 446671 405086 198269 365408 168392 338653 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