Oreochromis mossambicus: 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_min f_max date: 2025/05/23
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.407108 0.407108 0.441445 0.441445 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00753073 0.00753073 0.00101806 0.00101806 spec pop growth rate
t2 d NaN NaN NaN NaN 92.0425 92.0425 680.852 680.852 population doubling time
a_b d 18.6185 17.6309 18.3961 17.4436 16.5656 15.959 16.5656 15.959 age at birth
t_p d 4727.65 949.794 1878.88 851.167 556.572 434.455 556.572 434.455 time since birth at puberty
S_b - 0.999999 1 0.999999 1 1 1 1 1 survival probability at birth
S_p - 0.999997 0.999998 0.495229 0.436365 0.999998 0.999999 0.382353 0.345666 survival probability at puberty
theta_0b - 0.00378884 0.0031294 0.234246 0.287703 0.117218 0.113166 0.393066 0.424897 frac of ind that is embryo
theta_bp - 0.00379278 0.0031327 0.16477 0.189981 0.103544 0.100432 0.239192 0.246087 fraction of individuals that is juvenile
theta_pi - 0.992418 0.993738 0.600984 0.522316 0.779238 0.786402 0.367742 0.329016 frac of ind that is adult
L_bi cm 2.14517 3.13385 0.968199 1.10294 0.810784 0.945874 0.551482 0.565256 mean structural length of post-natals
L2_bi cm^2 4.88553 10.4596 1.82149 2.91472 1.00736 1.42382 0.833782 0.994685 mean squared structural length of post-natals
L3_bi cm^3 11.4043 35.7953 4.21888 9.85365 1.67878 2.93223 2.46848 3.81306 mean cubed structural length of post-natals
Ww_bi g 18.1997 67.09 6.94481 19.195 4.13595 9.22922 6.08151 12.0017 mean wet weight of post-natals
L_pi cm 2.15269 3.14314 1.1851 1.43775 0.892674 1.04104 0.787894 0.844122 mean structural length of adults
L2_pi cm^2 4.90408 10.4924 2.3122 3.9626 1.13609 1.6004 1.35266 1.71031 mean squared structural length of adults
L3_pi cm^3 11.4478 35.9081 5.37398 13.4354 1.90082 3.3056 4.06949 6.65932 mean cubed structural length of adults
Ww_pi g 18.2692 67.3014 8.84626 26.1722 4.68298 10.4044 10.0258 20.9603 mean wet weight of adults
R 1/d 0 1.15216 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.119575 0.37561 0.0483419 0.113498 0.0605624 0.125594 0.0501271 0.0877405 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 0.20875 0.175818 0.0501338 0.0442432 yield of living structure on food
Y_VX_d mol/mol 0.0256006 0.0224299 0.0590652 0.0520415 7.0863e-05 4.0688e-05 0.100031 0.0879447 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.30554 0.377572 0.073379 0.0950128 yield of living reserve on food
Y_EX_d mol/mol 0.0152546 0.0196098 0.0381636 0.0493358 0.00010372 8.73779e-05 0.146412 0.188862 yield of dead reserve on food
Y_CX mol/mol 0.84977 0.848585 0.793396 0.789248 0.37616 0.337107 0.520669 0.474562 yield of CO2 on food
Y_HX mol/mol 0.611362 0.61051 0.570805 0.56782 0.270626 0.24253 0.374593 0.341421 yield of H2O on food
Y_OX mol/mol -0.924125 -0.922836 -0.862818 -0.858307 -0.409074 -0.366604 -0.566228 -0.516086 yield of O2 on food
Y_NX mol/mol 0.127465 0.127288 0.119009 0.118387 0.056424 0.050566 0.0781004 0.0711843 yield of N-waste on food
mu_TX J/mol 451310 450500 421977 419345 199985 176858 276533 250275 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