Oreochromis macrochir: Population traits

at T = 30 °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_minf f_max date: 2025/02/12
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.325904 0.419561 0.709781 0.709781 1 1 scaled functional response
r 1/d 0 0 0.00699284 0.000343287 0.00900901 0.000459121 spec pop growth rate
t2 d NaN NaN 99.1225 2019.14 76.9394 1509.73 population doubling time
a_b d 11.7691 11.3357 10.5753 10.5753 10.182 10.182 age at birth
t_p d 3293.75 879.033 456.162 456.162 352.112 352.112 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 0.999999 0.484535 1 0.409319 1 0.370747 survival probability at puberty
theta_0b - 0.00231878 0.233377 0.0712279 0.33996 0.0875861 0.382069 frac of ind that is embryo
theta_bp - 0.00232152 0.162423 0.0662096 0.216722 0.0799742 0.231602 fraction of individuals that is juvenile
theta_pi - 0.99536 0.604199 0.862563 0.443319 0.83244 0.386329 frac of ind that is adult
L_bi cm 2.31309 1.21512 1.08434 0.883326 1.06425 0.813417 mean structural length of post-natals
L2_bi cm^2 5.58044 2.99967 1.79403 2.50202 1.79349 2.56516 mean squared structural length of post-natals
L3_bi cm^3 13.6905 8.85181 3.84817 10.7369 4.0598 14.0516 mean cubed structural length of post-natals
Ww_bi g 20.5803 14.5867 8.06583 22.5047 10.3288 35.7496 mean wet weight of post-natals
L_pi cm 2.31808 1.49445 1.15308 1.2256 1.1478 1.18869 mean structural length of adults
L2_pi cm^2 5.59338 3.79764 1.92895 3.70849 1.96209 4.08147 mean squared structural length of adults
L3_pi cm^3 13.7224 11.2299 4.14301 15.9826 4.44909 22.4713 mean cubed structural length of adults
Ww_pi g 20.6282 18.5054 8.68382 33.4998 11.3192 57.1706 mean wet weight of adults
R 1/d 0 0 0 0.0194146 0 0.0886544 mean reproduction rate of adults
J_X g/d 0.183679 0.127107 0.128604 0.179356 0.181134 0.259069 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 yield of faeces on food
Y_VX mol/mol 0 0 0.209244 0.0205504 0.201921 0.0249022 yield of living structure on food
Y_VX_d mol/mol 0.0177508 0.0438756 5.6085e-05 0.0578581 2.85962e-05 0.0610718 yield of dead structure on food
Y_EX mol/mol 0 0 0.229335 0.0225236 0.3118 0.038453 yield of living reserve on food
Y_EX_d mol/mol 0.0089331 0.0284257 6.14702e-05 0.0634135 4.41573e-05 0.0943049 yield of dead reserve on food
Y_CX mol/mol 0.863941 0.818324 0.451928 0.726279 0.376831 0.671893 yield of CO2 on food
Y_HX mol/mol 0.621558 0.588738 0.325137 0.522518 0.271109 0.48339 yield of H2O on food
Y_OX mol/mol -0.939536 -0.889927 -0.491472 -0.789829 -0.409804 -0.730684 yield of O2 on food
Y_NX mol/mol 0.129591 0.122749 0.0677892 0.108942 0.0565247 0.100784 yield of N-waste on food
mu_TX J/mol 458711 434928 241682 386030 200011 356496 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer