Hypostomus albopunctatus: Population traits

at T = 24.5 °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: 2025/12/29
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.452802 0.452802 0.518322 0.518322 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00638354 0.00638354 0.000891846 0.000891846 spec pop growth rate
t2 d NaN NaN NaN NaN 108.583 108.583 777.205 777.205 population doubling time
a_b d 7.77068 7.74738 7.60053 7.57806 6.86823 6.85033 6.86823 6.85033 age at birth
t_j d 0.321631 0.316907 0.288602 0.284488 0.179359 0.177248 0.179359 0.177248 time since birth at metam
t_p d 5533.66 4742.26 2976.87 2838.99 1123.15 1103.28 1123.15 1103.28 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 1 1 1 1 survival probability at birth
S_j - 0.999999 0.999999 0.96558 0.965575 1 1 0.96547 0.965468 survival probability at metam
S_p - 0.999997 0.999997 0.575751 0.572597 0.999998 0.999998 0.468234 0.465514 survival probability at puberty
theta_0b - 0.00197364 0.00195534 0.225208 0.227383 0.0428217 0.0427117 0.320876 0.322875 frac of ind that is embryo
theta_bj - 8.19182e-05 8.02072e-05 0.00842624 0.00841119 0.00109589 0.00108311 0.00822794 0.00820323 frac of ind between b and j
theta_jp - 0.00189724 0.0018806 0.161943 0.163131 0.0399861 0.0398984 0.209339 0.210088 frac of ind between j and p
theta_pi - 0.996047 0.996084 0.604424 0.601075 0.916096 0.916307 0.461557 0.458834 frac of ind that is adult
L_bi cm 2.35424 2.39937 0.419183 0.421266 0.707189 0.715223 0.284349 0.285022 mean structural length of post-natals
L2_bi cm^2 6.32064 6.56452 0.683864 0.698922 0.843768 0.864252 0.329326 0.333539 mean squared structural length of post-natals
L3_bi cm^3 17.9261 18.9702 1.82587 1.90167 1.39224 1.44498 0.946344 0.972846 mean cubed structural length of post-natals
Ww_bi g 23.1987 24.6525 2.44062 2.55372 2.2966 2.40085 1.56106 1.6164 mean wet weight of post-natals
L_pi cm 2.35876 2.40395 0.515572 0.519424 0.735185 0.743497 0.380157 0.381987 mean structural length of adults
L2_pi cm^2 6.33319 6.57743 0.874934 0.896673 0.881295 0.902594 0.481427 0.489046 mean squared structural length of adults
L3_pi cm^3 17.9617 19.0076 2.3404 2.44426 1.45464 1.50957 1.39217 1.43542 mean cubed structural length of adults
Ww_pi g 23.2448 24.7011 3.12838 3.28235 2.39954 2.50819 2.29648 2.38497 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 0.0932517 0.0986309 0.0115494 0.0120208 0.0274936 0.0286789 0.0107309 0.011068 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 0.323254 0.321632 0.078651 0.0783908 yield of living structure on food
Y_VX_d mol/mol 0.0839381 0.0834043 0.156888 0.155995 0.000734484 0.000717664 0.1793 0.178394 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.209977 0.212766 0.0510897 0.0518571 yield of living reserve on food
Y_EX_d mol/mol 0.0246886 0.0249827 0.0528224 0.0534877 0.000477102 0.000474749 0.116469 0.118011 yield of dead reserve on food
Y_CX mol/mol 0.781998 0.782238 0.680914 0.681142 0.356183 0.355035 0.465116 0.463973 yield of CO2 on food
Y_HX mol/mol 0.562604 0.562777 0.48988 0.490044 0.256254 0.255428 0.334625 0.333803 yield of H2O on food
Y_OX mol/mol -0.850423 -0.850684 -0.740494 -0.740742 -0.387349 -0.3861 -0.505814 -0.50457 yield of O2 on food
Y_NX mol/mol 0.1173 0.117336 0.102137 0.102171 0.0534274 0.0532552 0.0697674 0.0695959 yield of N-waste on food
mu_TX J/mol 416952 417057 365004 365084 194756 194043 251368 250680 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