Marcusenius macrolepidotus: Population traits

at T = 23 °C with background hazards for embryo, larva, juv, adult: 0, 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 abj f_minf f_max date: 2024/10/31
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.342488 0.427426 0.713713 0.713713 1 1 scaled functional response
r 1/d 0 0 0.00356164 0.000600794 0.00527265 0.000938038 spec pop growth rate
t2 d NaN NaN 194.615 1153.72 131.461 738.933 population doubling time
a_b d 26.0225 25.0735 22.9957 22.9957 21.7381 21.7381 age at birth
t_j d 103.199 83.1168 51.8281 51.8281 38.8809 38.8809 time since birth at metam
t_p d 7481.64 3699.38 1684.92 1684.92 1157.1 1157.1 time since birth at puberty
S_b - 0.999992 0.999993 0.999994 0.999994 0.999995 0.999995 survival probability at birth
S_j - 0.999954 0.638347 0.999969 0.513134 0.999974 0.429845 survival probability at metam
S_p - 0.999705 0.225814 0.999918 0.222284 0.999951 0.22087 survival probability at puberty
theta_0b - 0.00574027 0.221881 0.0786523 0.330299 0.108229 0.390762 frac of ind that is embryo
theta_bj - 0.00575663 0.179219 0.0726012 0.238351 0.0966559 0.25933 frac of ind between b and j
theta_jp - 0.0170705 0.204422 0.0830131 0.140249 0.0687817 0.0932822 frac of ind between j and p
theta_pi - 0.971433 0.394479 0.765733 0.291101 0.726334 0.256626 frac of ind that is adult
L_bi cm 1.60102 0.543338 0.724148 0.4127 0.690109 0.395069 mean structural length of post-natals
L2_bi cm^2 2.94562 0.701875 0.805841 0.434018 0.74775 0.407079 mean squared structural length of post-natals
L3_bi cm^3 5.77737 1.38545 1.19913 0.92309 1.11495 0.940175 mean cubed structural length of post-natals
Ww_bi g 6.48895 1.59841 1.50691 1.16002 1.51591 1.27828 mean wet weight of post-natals
L_pi cm 1.63412 0.895081 0.832268 0.712936 0.803508 0.687834 mean structural length of adults
L2_pi cm^2 3.01395 1.35174 0.961948 0.954621 0.909469 0.919987 mean squared structural length of adults
L3_pi cm^3 5.91295 2.72665 1.44129 2.11533 1.36718 2.2232 mean cubed structural length of adults
Ww_pi g 6.64123 3.14577 1.81122 2.65827 1.85885 3.02272 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0231362 0.00686685 0.0132864 0.00709384 0.0173059 0.00933294 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 0.321447 0.0781786 0.339694 0.0944954 yield of living structure on food
Y_VX_d mol/mol 0.0991662 0.176906 0.00247016 0.196869 0.00107645 0.205937 yield of dead structure on food
Y_EX mol/mol 0 0 0.0825052 0.020066 0.122162 0.0339828 yield of living reserve on food
Y_EX_d mol/mol 0.012214 0.0271926 0.00063401 0.0505299 0.000387116 0.0740597 yield of dead reserve on food
Y_CX mol/mol 0.779245 0.686527 0.483569 0.544982 0.427305 0.482151 yield of CO2 on food
Y_HX mol/mol 0.560623 0.493918 0.347901 0.392084 0.307422 0.346881 yield of H2O on food
Y_OX mol/mol -0.847429 -0.746598 -0.525881 -0.592668 -0.464694 -0.524339 yield of O2 on food
Y_NX mol/mol 0.116887 0.102979 0.0725353 0.0817473 0.0640958 0.0723226 yield of N-waste on food
mu_TX J/mol 416199 369091 264815 296149 234713 262861 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