Amphilophus citrinellus: Population traits

at T = 28 °C with background hazards for embryo, juv, adult: 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 std f_min f_max date: 2025/06/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.469451 NaN 0.516482 0.516482 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0123351 0.0123351 0.00105201 0.00105201 spec pop growth rate
t2 d NaN NaN NaN NaN 56.193 56.193 658.878 658.878 population doubling time
a_b d 5.40138 NaN 5.32778 NaN 4.89929 4.82697 4.89929 4.82697 age at birth
t_p d 3241.42 NaN 1101.84 NaN 410.267 367.6 410.267 367.6 time since birth at puberty
S_b - 1 NaN 1 NaN 1 1 1 1 survival probability at birth
S_p - 1 NaN 0.476609 NaN 1 1 0.388357 0.37357 survival probability at puberty
theta_0b - 0.00142058 NaN 0.252201 NaN 0.0585772 0.0577354 0.373134 0.386318 frac of ind that is embryo
theta_bp - 0.00142272 NaN 0.174217 NaN 0.0552098 0.0544674 0.231546 0.235159 fraction of individuals that is juvenile
theta_pi - 0.997157 NaN 0.573581 NaN 0.886213 0.887797 0.395319 0.378523 frac of ind that is adult
L_bi cm 2.52014 NaN 0.907282 NaN 0.89354 0.956263 0.476547 0.478224 mean structural length of post-natals
L2_bi cm^2 6.63265 NaN 2.05809 NaN 1.28507 1.49042 0.950436 1.02541 mean squared structural length of post-natals
L3_bi cm^3 17.7459 NaN 5.68723 NaN 2.46135 3.11431 3.62945 4.38273 mean cubed structural length of post-natals
Ww_bi g 28.4308 NaN 9.45462 NaN 5.61823 7.70386 8.28452 10.8415 mean wet weight of post-natals
L_pi cm 2.52357 NaN 1.14929 NaN 0.941725 1.00747 0.687741 0.702619 mean structural length of adults
L2_pi cm^2 6.6421 NaN 2.67946 NaN 1.36422 1.58093 1.4991 1.65377 mean squared structural length of adults
L3_pi cm^3 17.7712 NaN 7.41422 NaN 2.61457 3.30526 5.75432 7.10447 mean cubed structural length of adults
Ww_pi g 28.4714 NaN 12.3256 NaN 5.96798 8.17621 13.1347 17.5743 mean wet weight of adults
R 1/d 0 NaN 0 NaN 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.346206 NaN 0.118189 NaN 0.142885 0.190409 0.105677 0.131002 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.212486 0.201752 0.0361311 0.0351955 yield of living structure on food
Y_VX_d mol/mol 0.0162528 NaN 0.0409673 NaN 2.70935e-05 2.23898e-05 0.0762433 0.0737984 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.272531 0.297321 0.0463411 0.0518675 yield of living reserve on food
Y_EX_d mol/mol 0.00978595 NaN 0.027138 NaN 3.47497e-05 3.29957e-05 0.0977884 0.108756 yield of dead reserve on food
Y_CX mol/mol 0.864586 NaN 0.82252 NaN 0.405546 0.391497 0.634121 0.621007 yield of CO2 on food
Y_HX mol/mol 0.622022 NaN 0.591757 NaN 0.291768 0.28166 0.456215 0.44678 yield of H2O on food
Y_OX mol/mol -0.940238 NaN -0.89449 NaN -0.441031 -0.425753 -0.689607 -0.675345 yield of O2 on food
Y_NX mol/mol 0.129688 NaN 0.123378 NaN 0.0608319 0.0587245 0.0951182 0.0931511 yield of N-waste on food
mu_TX J/mol 458991 NaN 437090 NaN 216332 208068 337042 329660 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