Oreochromis shiranus: Population traits

at T = 33 °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: 2025/04/15
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.325482 0.325482 0.995976 0.995976 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00788131 0.00788131 1.08925e-06 1.08925e-06 spec pop growth rate
t2 d NaN NaN NaN NaN 87.9482 87.9482 636351 636351 population doubling time
a_b d 10.9695 10.747 9.38893 9.25603 9.38464 9.25206 9.38464 9.25206 age at birth
t_p d 2184.06 965.081 274.743 251.85 273.963 251.205 273.963 251.205 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 0.999999 0.999999 0.394391 0.379982 0.999999 0.999999 0.393925 0.379553 survival probability at puberty
theta_0b - 0.00284024 0.00266258 0.33662 0.351596 0.0712488 0.0702759 0.33721 0.352152 frac of ind that is embryo
theta_bp - 0.00284373 0.00266579 0.211347 0.216695 0.0662214 0.065387 0.21159 0.216913 fraction of individuals that is juvenile
theta_pi - 0.994316 0.994672 0.452034 0.431709 0.86253 0.864337 0.4512 0.430934 frac of ind that is adult
L_bi cm 1.98001 2.25399 1.268 1.29535 1.20156 1.28154 1.26655 1.29362 mean structural length of post-natals
L2_bi cm^2 4.10831 5.32682 5.31882 6.05855 2.24233 2.58476 5.32411 6.06259 mean squared structural length of post-natals
L3_bi cm^3 8.68974 12.832 30.3677 39.2143 5.48453 6.87943 30.5006 39.3711 mean cubed structural length of post-natals
Ww_bi g 12.1901 18.7165 67.7998 94.2417 12.2722 16.572 68.2484 94.8417 mean wet weight of post-natals
L_pi cm 1.98516 2.25954 1.77076 1.848 1.27851 1.36324 1.77012 1.84692 mean structural length of adults
L2_pi cm^2 4.11997 5.341 7.78794 9.08028 2.41139 2.77717 7.80312 9.09484 mean squared structural length of adults
L3_pi cm^3 8.71458 12.8664 44.5625 58.8938 5.90497 7.3992 44.8003 59.1848 mean cubed structural length of adults
Ww_pi g 12.225 18.7666 99.4915 141.537 13.213 17.8241 100.246 142.571 mean wet weight of adults
R 1/d 0 0.0141873 0.136749 0.179555 0.0011653 0.010407 0.137429 0.18026 mean reproduction rate of adults
J_X g/d 0.125308 0.184963 0.496422 0.643735 0.210129 0.275747 0.498923 0.646767 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 0.205708 0.196626 6.65891e-05 6.63068e-05 yield of living structure on food
Y_VX_d mol/mol 0.0223055 0.0213359 0.0510797 0.0486653 9.36718e-05 7.86621e-05 0.0510844 0.0486686 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.254586 0.27703 8.24112e-05 9.34209e-05 yield of living reserve on food
Y_EX_d mol/mol 0.00898509 0.0097842 0.0629623 0.0682896 0.000115929 0.000110829 0.0632225 0.0685702 yield of dead reserve on food
Y_CX mol/mol 0.859334 0.859505 0.776583 0.77367 0.43012 0.41678 0.776169 0.773226 yield of CO2 on food
Y_HX mol/mol 0.618243 0.618366 0.558708 0.556613 0.309448 0.29985 0.558411 0.556293 yield of H2O on food
Y_OX mol/mol -0.934526 -0.934712 -0.844534 -0.841366 -0.467756 -0.453248 -0.844084 -0.840884 yield of O2 on food
Y_NX mol/mol 0.1289 0.128926 0.116487 0.116051 0.0645181 0.062517 0.116425 0.115984 yield of N-waste on food
mu_TX J/mol 456405 456451 412331 410608 229513 221720 412107 410368 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