Pl-3-4 
Figure 1 Study area showing the location of Kushiro Wetland and Furen Lake in Hokkaido 
. 
+ ' 
■ 
- 
. . . 
»•» - ♦ * 
r .. . "■ - 
9 0 
!) 1 
<J 2 
i) if 
9 '1 
Figure 2 Vegetation type changes within home range 
Figure 3 Nesting sites as affected by development 
regulation 
Table 1 Spatial changes of the Cranes’ home range 
'^ar^ 
Nearest distance 
Cm) 
90 X distance 
Cm) 
Number of 
nesting site 
1990 
380 
2.703 
19 
1991 
518 
2.254 
18 
1992 
740 
3.364 
8 
1993 
309 
2.058 
40 
1994 
330 
1.320 
39 
Table 2 Affecting factors vs distance for different years 
'^YeaT'^ 
Distance from water 
(m) 
Distance from road 
(m) 
Distance from houses 
(m) 
1990 
265 
223 
444 
1991 
261 
331 
546 
1992 
145 
381 
906 
1993 
384 
173 
298 
1994 
265 
104 
364