Tilapia brevimanus: Population traits

at T = 25 °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: 2024/10/11
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.55371 0.774374 0.887187 0.887187 1 1 scaled functional response
r 1/d 0 0 0.0052912 0.000163169 0.00609589 0.000274234 spec pop growth rate
t2 d NaN NaN 131 4248.05 113.707 2527.58 population doubling time
a_b d 8.84664 8.44242 8.29558 8.29558 8.1745 8.1745 age at birth
t_p d 3852.65 1143.16 953.274 953.274 835.425 835.425 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_p - 0.999996 0.441584 0.999997 0.423239 0.999997 0.408119 survival probability at puberty
theta_0b - 0.00302068 0.314194 0.0429353 0.335842 0.048586 0.352009 frac of ind that is embryo
theta_bp - 0.00302524 0.208933 0.0411459 0.21836 0.0462837 0.224559 fraction of individuals that is juvenile
theta_pi - 0.993954 0.476873 0.915919 0.445798 0.90513 0.423432 frac of ind that is adult
L_bi cm 2.235 0.539254 0.897015 0.485383 0.862853 0.457277 mean structural length of post-natals
L2_bi cm^2 5.52543 1.06567 1.26776 0.935947 1.19429 0.876621 mean squared structural length of post-natals
L3_bi cm^3 14.2348 3.22807 2.32427 3.02363 2.18158 3.00957 mean cubed structural length of post-natals
Ww_bi g 22.6982 5.91219 4.53844 5.90402 4.52407 6.24113 mean wet weight of post-natals
L_pi cm 2.2415 0.732285 0.932703 0.674318 0.90167 0.646482 mean structural length of adults
L2_pi cm^2 5.54222 1.52825 1.32423 1.38945 1.2548 1.33607 mean squared structural length of adults
L3_pi cm^3 14.2781 4.64195 2.42863 4.50415 2.29307 4.60507 mean cubed structural length of adults
Ww_pi g 22.7673 8.5017 4.74222 8.79493 4.75529 9.54981 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.152678 0.0411817 0.0561281 0.0414377 0.0595988 0.0437463 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 0.219109 0.0119061 0.223136 0.0188662 yield of living structure on food
Y_VX_d mol/mol 0.0493952 0.09857 0.00108756 0.0998594 0.000778356 0.100524 yield of dead structure on food
Y_EX mol/mol 0 0 0.20873 0.0113421 0.239595 0.0202578 yield of living reserve on food
Y_EX_d mol/mol 0.0293681 0.0819604 0.00103604 0.0951289 0.00083577 0.107939 yield of dead reserve on food
Y_CX mol/mol 0.811862 0.710095 0.460662 0.672389 0.42628 0.643039 yield of CO2 on food
Y_HX mol/mol 0.584089 0.510874 0.331421 0.483746 0.306684 0.462631 yield of H2O on food
Y_OX mol/mol -0.8829 -0.772228 -0.50097 -0.731223 -0.463579 -0.699305 yield of O2 on food
Y_NX mol/mol 0.121779 0.106514 0.0690994 0.100858 0.0639419 0.0964558 yield of N-waste on food
mu_TX J/mol 431650 378137 247030 358058 228306 342297 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