Taiga Bean Goose at Sarobetsu, Japan 47
©Wildfowl & Wetlands Trust
Wildfowl
(2013) 63: 40–55
Figure 4
. Maximum numbers of Taiga Bean Goose counted for each 10-day period at Sarobetsu
(mean ± s.e. bars) in (a) autumn 2002–2011, and (b) spring 2002–2012.
a)
b)
Mean
(± s.e.)
Mean
(± s.e.)
I II III I II III I II III
September October November
III I II III I II
March April May
Number of geese
8,000
7,000
6,000
5,000
4,000
3,000
2,000
1,000
0
Number of geese
2,500
2,000
1,500
1,000
500
0