150
T.-S. Chon . Y.S. Park' I.-S. Kwak . E.Y. Cha
Chironomusp.
1.0
0.5
0.0
Orlhocladiusp.
1.0
0.5
~ 0.0
"00
C
Cricolopusp.
Q.)
'"0 1.0
'"0
Q.)
.!:::::! 0.5
ro
E 0.0
~
0
Limnodrilusp.
Z 1.0
0.5
0.0
~
I
I~ Ir
Erpobdella.p .
1.0 , - - - - - - - - - - - - - - - - - - - - - - - - - - ,
0.5
8
10 12 2
9
11
1
3
8
10 12 2
'98
'97
'98
'97
'98
'97
JHC
JHD
JHU
Month/Site
r ................................ -............. .. . .... : -... -i
I 02 months 4 months - Fleld !
l __ ........... _ ......... ___ .. __ ...... __ .................. _ .. _ ..... 1
Fig. 8.13. Examples of field data and predictions in densities of selected Genera
after recognition by the trained multilayer perceptron with time delay (two and
four months) when new data for community development were given as inputs in
the Yangjae Stream. (From Chon et al. 2000b).