Clarias gariepinus

COMPLETE = 2.5; MRE = 0.034; SMAE = 0.185; SMSE = 0.003

Data & predictions

data prd RE symbol units description
1.25 1.297 0.03732 ab25 d age at birth
0.58 0.5892 0.01584 ab33 d age at birth
5475 5477 0.0004446 am d life span
170 170.2 0.001111 Li cm ultimate total length
0.0012 0.00118 0.01651 Wwb g wet weight at birth
150 150.2 0.001215 Wwp g wet weight at puberty
6e+04 6.027e+04 0.004452 Wwi g ultimate wet weight
0.216 0.2165 0.002339 GSI g/g gonado somatic index
see figure 0.054 tW time vs. wet weight
0.02 0.06592 2.296 psd.v cm/d energy conductance
0.8 0.9402 0.1752 psd.kap - allocation fraction to soma
0.95 0.95 0 psd.kap_R - reproduction efficiency
18 193.6 9.755 psd.p_M J/d.cm^3 vol-spec som maint
0.002 0.002 0 psd.k_J 1/d maturity maint rate coefficient
0.8 0.8001 0.0001719 psd.kap_G - growth efficiency

abj parameters at 20.0°C

symbol units value free description
T_ref K 293.1 0 Reference temperature
T_A K 9000 0 Arrhenius temperature
z - 15.94 1 zoom factor
F_m l/d.cm^2 6.5 0 {F_m}, max spec searching rate
kap_X - 0.8 0 digestion efficiency of food to reserve
kap_P - 0.1 0 faecation efficiency of food to faeces
v cm/d 0.06592 1 energy conductance
kap - 0.9402 1 allocation fraction to soma
kap_R - 0.95 0 reproduction efficiency
p_M J/d.cm^3 193.6 1 [p_M], vol-spec somatic maint
p_T J/d.cm^2 0 0 {p_T}, surf-spec somatic maint
k_J 1/d 0.002 0 maturity maint rate coefficient
E_G J/cm^3 5229 1 [E_G], spec cost for structure
E_Hb J 0.03389 1 maturity at birth
E_Hj J 0.04277 1 maturity at metamorphosis
E_Hp J 3.034e+04 1 maturity at puberty
h_a 1/d^2 3.483e-10 1 Weibull aging acceleration
s_G - 0.0001 0 Gompertz stress coefficient
del_M - 0.1011 1 shape coefficient for total length
f - 1 0 scaled functional response for 0-var data
f_tW - 0.2884 1 scaled functional response for tW data