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: 2024/10/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.504698 0.504698 0.762212 0.762212 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00629453 0.00629453 0.000832673 0.000832673 spec pop growth rate
t2 d NaN NaN NaN NaN 110.119 110.119 832.436 832.436 population doubling time
a_b d 7.47176 7.45106 7.0003 6.98218 6.72521 6.70893 6.72521 6.70893 age at birth
t_j d 0.072522 0.0715456 0.0531184 0.05248 0.0441595 0.0436757 0.0441595 0.0436757 time since birth at metam
t_p d 5226.82 4427.65 1534.52 1496.75 1090.79 1071 1090.79 1071 time since birth at puberty
S_b - 0.999999 1 1 1 1 1 1 1 survival probability at birth
S_j - 0.999999 0.999999 0.991054 0.991055 1 1 0.991056 0.991056 survival probability at metam
S_p - 0.999997 0.999997 0.51234 0.509579 0.999998 0.999998 0.469965 0.46743 survival probability at puberty
theta_0b - 0.00186032 0.00184417 0.272659 0.274678 0.0413748 0.041276 0.319728 0.32158 frac of ind that is embryo
theta_bj - 1.81059e-05 1.77564e-05 0.0020649 0.00206054 0.000266565 0.00026367 0.00208919 0.00208335 frac of ind between b and j
theta_jp - 0.0018473 0.00183147 0.193255 0.194176 0.0394878 0.0394002 0.2161 0.216782 frac of ind between j and p
theta_pi - 0.996274 0.996307 0.532021 0.529085 0.918871 0.91906 0.462083 0.459554 frac of ind that is adult
L_bi cm 2.63533 2.68224 0.439802 0.441433 0.72189 0.729516 0.28665 0.287262 mean structural length of post-natals
L2_bi cm^2 7.91623 8.19983 0.968467 0.98695 0.880468 0.900323 0.347623 0.351777 mean squared structural length of post-natals
L3_bi cm^3 25.1051 26.4625 3.72338 3.86065 1.48321 1.53538 1.04217 1.06951 mean cubed structural length of post-natals
Ww_bi g 33.5893 35.5592 5.62372 5.86491 2.47637 2.58115 1.74001 1.79797 mean wet weight of post-natals
L_pi cm 2.64012 2.68708 0.572522 0.576085 0.749588 0.757469 0.384282 0.38598 mean structural length of adults
L2_pi cm^2 7.93104 8.21504 1.32175 1.35071 0.918269 0.938886 0.508716 0.516229 mean squared structural length of adults
L3_pi cm^3 25.1521 26.5116 5.09016 5.29237 1.54736 1.60162 1.53401 1.57862 mean cubed structural length of adults
Ww_pi g 33.6522 35.6252 7.68807 8.03991 2.58347 2.6925 2.56119 2.65384 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 0.133033 0.140168 0.0245794 0.025479 0.0293173 0.0304937 0.0115749 0.0119146 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 0.318451 0.316934 0.0749712 0.0747449 yield of living structure on food
Y_VX_d mol/mol 0.0805473 0.0800661 0.147183 0.146324 0.000697578 0.000682574 0.173654 0.172821 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.213236 0.215868 0.0502009 0.0509096 yield of living reserve on food
Y_EX_d mol/mol 0.0272207 0.0275232 0.0751191 0.0759644 0.000467099 0.00046491 0.116279 0.11771 yield of dead reserve on food
Y_CX mol/mol 0.782857 0.783036 0.668323 0.668336 0.357773 0.356675 0.47552 0.474439 yield of CO2 on food
Y_HX mol/mol 0.563222 0.563351 0.480821 0.480831 0.257398 0.256608 0.34211 0.341333 yield of H2O on food
Y_OX mol/mol -0.851357 -0.851551 -0.726801 -0.726816 -0.389078 -0.387884 -0.517128 -0.515953 yield of O2 on food
Y_NX mol/mol 0.117429 0.117455 0.100248 0.10025 0.053666 0.0535013 0.0713279 0.0711659 yield of N-waste on food
mu_TX J/mol 417255 417329 357593 357557 195389 194708 256623 255976 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