cts and 
activities 
therwise, 
O classes 
ciations, 
nterface. 
r natural 
disasters. 
DES and 
ADES 
module 
>r-ADES 
iange (or 
t system 
> built by 
discrete 
used to 
| of data 
aster and 
ormation 
ricultural 
ncluding 
ricultural 
disaster 
ion and 
yrmation. 
pseudo- 
erator to 
ters and 
ES, and 
decision 
function. 
ter about 
ear from 
variables. 
used for 
variables 
r values. 
d by the 
d, each 
by an 
anager is 
| of rule- 
of three 
e rules, 
sides the 
a set of 
itributing 
ricultural 
ion from 
stem for 
decision 
rt system 
, implicit 
ricultural 
: decision 
vn that a 
proach in 
  
organizing relevant heuristic knowledge and analytic 
information for ADES. The major contribution of the 
study is in integration of GIS, simulation and expert 
system techniques with a layered architecture model for 
agricultural disaster evaluation. 
6. ACKNOWLEDGMENTS 
The authors wish to acknowledge the valuable 
contributions of other members of our research team to 
the research. They also acknowledge funding of the 
research by China National Foundation of Natural 
Sciences. 
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