Labeo niloticus: Population traits

at T = 28 °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_min f_max date: 2025/04/03
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.359037 0.359037 0.398892 0.398892 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0154582 0.0154582 0.00111648 0.00111648 spec pop growth rate
t2 d NaN NaN NaN NaN 44.84 44.84 620.835 620.835 population doubling time
a_b d 4.88862 4.84133 4.80392 4.75788 4.16966 4.13632 4.16966 4.13632 age at birth
t_j d 7.81502 7.44217 7.15934 6.8253 3.66222 3.53225 3.66222 3.53225 time since birth at metam
t_p d 2524.15 1786.54 1511.74 1287.59 412.228 392.402 412.228 392.402 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_j - 1 1 0.430724 0.416788 1 1 0.284445 0.284426 survival probability at metam
S_p - 0.999999 0.999999 0.284998 0.284944 1 1 0.254089 0.247665 survival probability at puberty
theta_0b - 0.00112761 0.00109577 0.327311 0.336682 0.0622913 0.061807 0.479252 0.486302 frac of ind that is embryo
theta_bj - 0.00113082 0.0010989 0.221833 0.224987 0.0516118 0.0498553 0.239187 0.235998 frac of ind between b and j
theta_jp - 0.000676927 0.000590346 0.0567857 0.0508618 0.00692366 0.00825679 0.0156115 0.0187699 frac of ind between j and p
theta_pi - 0.997065 0.997215 0.39407 0.38747 0.879173 0.880081 0.265949 0.25893 frac of ind that is adult
L_bi cm 3.35862 3.56543 0.537608 0.54569 0.792142 0.820062 0.302988 0.304456 mean structural length of post-natals
L2_bi cm^2 12.1177 13.6509 1.38941 1.49142 1.09495 1.17779 0.611055 0.634431 mean squared structural length of post-natals
L3_bi cm^3 44.9271 53.6966 5.16607 5.88619 2.13136 2.38533 3.30799 3.60177 mean cubed structural length of post-natals
Ww_bi g 56.5659 68.4442 6.65293 7.68226 3.66921 4.20999 5.69481 6.35695 mean wet weight of post-natals
L_pi cm 3.36456 3.57132 0.859472 0.875534 0.838988 0.868322 0.512809 0.521016 mean structural length of adults
L2_pi cm^2 12.1397 13.674 2.3669 2.5483 1.16732 1.25503 1.18961 1.25152 mean squared structural length of adults
L3_pi cm^3 45.0086 53.7876 8.81821 10.0763 2.27322 2.54279 6.47668 7.14501 mean cubed structural length of adults
Ww_pi g 56.6684 68.5601 11.3562 13.1509 3.91343 4.48789 11.1498 12.6106 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.391673 0.467811 0.0498806 0.0567697 0.0986433 0.112495 0.0549973 0.0605408 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.334003 0.327776 0.067154 0.0664228 yield of living structure on food
Y_VX_d mol/mol 0.0359462 0.0352243 0.0834177 0.0818768 3.49482e-05 3.23504e-05 0.141129 0.139232 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.240995 0.250732 0.0484539 0.0508102 yield of living reserve on food
Y_EX_d mol/mol 0.00931213 0.00967421 0.0240088 0.0249833 2.52163e-05 2.47464e-05 0.101829 0.106506 yield of dead reserve on food
Y_CX mol/mol 0.845367 0.845726 0.783198 0.783765 0.315568 0.31206 0.532059 0.527654 yield of CO2 on food
Y_HX mol/mol 0.608194 0.608453 0.563468 0.563875 0.227033 0.22451 0.382787 0.379618 yield of H2O on food
Y_OX mol/mol -0.919336 -0.919728 -0.851728 -0.852344 -0.34318 -0.339365 -0.578615 -0.573824 yield of O2 on food
Y_NX mol/mol 0.126805 0.126859 0.11748 0.117565 0.0473351 0.046809 0.0798089 0.0791482 yield of N-waste on food
mu_TX J/mol 449405 449567 417586 417821 172920 170680 285703 283149 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer