Bagrus meridionalis: Population traits

at T = 23 °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: 2023/11/08
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.211576 0.211576 0.25885 0.25885 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0152168 0.0152168 0.0015916 0.0015916 spec pop growth rate
t2 d NaN NaN NaN NaN 45.5514 45.5514 435.505 435.505 population doubling time
a_b d 16.1026 16.347 15.5636 15.8007 12.5191 12.6848 12.5191 12.6848 age at birth
t_j d 150.253 163.99 123.966 134.898 41.3157 43.9138 41.3157 43.9138 time since birth at metam
t_p d 5221.49 5738.84 2744.99 2815.62 566.823 560.445 566.823 560.445 time since birth at puberty
S_b - 0.999997 0.999996 0.999997 0.999996 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999981 0.999978 0.584292 0.605992 0.999992 0.999991 0.271067 0.288177 survival probability at metam
S_p - 0.999644 0.999536 0.0138398 0.0138916 0.999971 0.999965 0.0134594 0.0134704 survival probability at puberty
theta_0b - 0.00419317 0.00437381 0.341047 0.325335 0.173198 0.17528 0.566552 0.555033 frac of ind that is embryo
theta_bj - 0.00420437 0.00438597 0.264477 0.256552 0.143425 0.144782 0.311414 0.312475 frac of ind between b and j
theta_jp - 0.0350208 0.0396048 0.36292 0.385526 0.242484 0.257208 0.107349 0.11751 frac of ind between j and p
theta_pi - 0.956582 0.951635 0.0315561 0.0325869 0.440893 0.42273 0.0146849 0.0149821 frac of ind that is adult
L_bi cm 3.14922 2.84985 0.18947 0.18704 0.693932 0.648844 0.155428 0.154623 mean structural length of post-natals
L2_bi cm^2 11.5111 9.45805 0.229801 0.206278 1.0266 0.897348 0.119639 0.113048 mean squared structural length of post-natals
L3_bi cm^3 44.479 33.2193 0.850939 0.689175 2.28855 1.87622 0.620603 0.543796 mean cubed structural length of post-natals
Ww_bi g 50.7514 37.503 0.997752 0.797901 3.81393 3.01972 1.03425 0.875225 mean wet weight of post-natals
L_pi cm 3.27063 2.9729 1.53125 1.46942 1.14674 1.09874 1.11734 1.10095 mean structural length of adults
L2_pi cm^2 11.9814 9.89336 4.46583 3.94101 1.893 1.71606 3.05645 2.88001 mean squared structural length of adults
L3_pi cm^3 46.3024 34.7545 17.7161 14.2157 4.28403 3.65217 18.2424 16.0746 mean cubed structural length of adults
Ww_pi g 52.832 39.2361 20.7727 16.4584 7.13946 5.87806 30.4014 25.8717 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 0.2326 0.174476 0.0054815 0.00447357 0.0987179 0.0787967 0.0107055 0.00920419 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 0.352768 0.362325 0.0922651 0.0940336 yield of living structure on food
Y_VX_d mol/mol 0.0871734 0.0898954 0.170972 0.176083 0.000136516 0.000153333 0.206632 0.212323 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.235129 0.220828 0.0614972 0.057311 yield of living reserve on food
Y_EX_d mol/mol 0.0122933 0.011592 0.0294979 0.0277791 9.09913e-05 9.34523e-05 0.137726 0.129405 yield of dead reserve on food
Y_CX mol/mol 0.791158 0.789138 0.690155 0.686763 0.302501 0.307225 0.392505 0.397552 yield of CO2 on food
Y_HX mol/mol 0.569194 0.567741 0.496528 0.494088 0.217633 0.221031 0.282385 0.286016 yield of H2O on food
Y_OX mol/mol -0.860385 -0.858187 -0.750544 -0.746855 -0.32897 -0.334107 -0.426849 -0.432337 yield of O2 on food
Y_NX mol/mol 0.118674 0.118371 0.103523 0.103014 0.0453752 0.0460837 0.0588757 0.0596328 yield of N-waste on food
mu_TX J/mol 422152 421177 370790 369180 166677 169754 213479 216628 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