Figure 5. Mean number of albatrosses per hour soaring 
past index points along the runways on 
Sand Island, during the period March 1958 to 
2250 May 1958, immediately following the killing 
program. 
2/100 
1950 
/800 
1650 
1500 More favorable 
wind directions 
Less favorable 
cle, | ; wind directions 
j | 
1/200 é 
%, 
j 
1/050 y 
: 
2900 e 
é 
Y 
750 y, 
me 
600 y y) ¢ 
450 y y) ze) 
a ae a 
300 y) y) y 
ee 
/50 J y y) y 
A avaG EG 
O 4 A EY 4, 
AREA / 3 4 2 6 SW SE 
Dunes, revetments, Buildings Level, cleared areas 
and high /ronwoods Wosegr egg 107) by 
wih veloci # y) 
37 
