\ 
‘ poe 1 
; m f 
B ; 
> = vw: 6 
4 = AT 
^ : - 
QS É E 
A 1 
Y 
s Y 
! ^ 
C AB! 
BA Water stream (1992,1993) IK 
c 
National park som 
m (LV 
bas 
25/1 
for r 
  
KUI 
Figure 7. Distribution of potential nesting areas 
extracted in Kushiro Wetland using GIS. 
Die 
syst 
Brai 
Kon: 
zur 
Stet 
25/1 
Inter 
The 
Syst 
' 22659 
— —h^ 
RP = 
     
ZN 
N 4 Le 
MERA HS. («c 1a) 
2 
AUN 
— P — p v 00 £8 MN 0 pa 
— 
=F 
(D. 
Figure 8. Distribution of existing nests from 1979 to syste 
1994 except 1981-84 and 1986-89 in Kushiro 
Wetland. The 
modi 
exter 
refer 
Unifc 
ATKI 
The | 
proce 
acco 
Mod 
580 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B4. Vienna 1996