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: 2025/05/23
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.469451 0.469451 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 5.29527 5.32778 5.22594 4.89929 4.82697 4.89929 4.82697 age at birth
t_p d 3241.42 963.963 1101.84 776.986 410.267 367.6 410.267 367.6 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 1 1 0.476609 0.455656 1 1 0.388357 0.37357 survival probability at puberty
theta_0b - 0.00142058 0.00132728 0.252201 0.271663 0.0585772 0.0577354 0.373134 0.386318 frac of ind that is embryo
theta_bp - 0.00142272 0.00132931 0.174217 0.183497 0.0552098 0.0544674 0.231546 0.235159 fraction of individuals that is juvenile
theta_pi - 0.997157 0.997343 0.573581 0.54484 0.886213 0.887797 0.395319 0.378523 frac of ind that is adult
L_bi cm 2.52014 2.89379 0.907282 0.945682 0.89354 0.956263 0.476547 0.478224 mean structural length of post-natals
L2_bi cm^2 6.63265 8.74955 2.05809 2.43694 1.28507 1.49042 0.950436 1.02541 mean squared structural length of post-natals
L3_bi cm^3 17.7459 26.8951 5.68723 7.73049 2.46135 3.11431 3.62945 4.38273 mean cubed structural length of post-natals
Ww_bi g 28.4308 45.5019 9.45462 13.6145 5.61823 7.70386 8.28452 10.8415 mean wet weight of post-natals
L_pi cm 2.52357 2.89749 1.14929 1.22655 0.941725 1.00747 0.687741 0.702619 mean structural length of adults
L2_pi cm^2 6.6421 8.76119 2.67946 3.25343 1.36422 1.58093 1.4991 1.65377 mean squared structural length of adults
L3_pi cm^3 17.7712 26.931 7.41422 10.3336 2.61457 3.30526 5.75432 7.10447 mean cubed structural length of adults
Ww_pi g 28.4714 45.5626 12.3256 18.1988 5.96798 8.17621 13.1347 17.5743 mean wet weight of adults
R 1/d 0 0.725199 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.346206 0.524754 0.118189 0.160798 0.142885 0.190409 0.105677 0.131002 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 0.212486 0.201752 0.0361311 0.0351955 yield of living structure on food
Y_VX_d mol/mol 0.0162528 0.0155008 0.0409673 0.039125 2.70935e-05 2.23898e-05 0.0762433 0.0737984 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.272531 0.297321 0.0463411 0.0518675 yield of living reserve on food
Y_EX_d mol/mol 0.00978595 0.0107239 0.027138 0.0297795 3.47497e-05 3.29957e-05 0.0977884 0.108756 yield of dead reserve on food
Y_CX mol/mol 0.864586 0.8644 0.82252 0.821721 0.405546 0.391497 0.634121 0.621007 yield of CO2 on food
Y_HX mol/mol 0.622022 0.621888 0.591757 0.591182 0.291768 0.28166 0.456215 0.44678 yield of H2O on food
Y_OX mol/mol -0.940238 -0.940035 -0.89449 -0.893621 -0.441031 -0.425753 -0.689607 -0.675345 yield of O2 on food
Y_NX mol/mol 0.129688 0.12966 0.123378 0.123258 0.0608319 0.0587245 0.0951182 0.0931511 yield of N-waste on food
mu_TX J/mol 458991 458851 437090 436559 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