282 
Fishery Bulletin 1 13(3) 
172°W 
L_ 
Seguam 
Pass 
172°E 
i 
174°E 
L™ 
178°E 
L 
Stalemate 
Bank 
Probability 
o-o.i 
] 0 . 1 - 0.2 
] 0 . 2 - 0. 3 
] 0 . 3 - 0.4 
] 0 . 4 - 0. 5 
] 0 . 5 - 0. 6 
1 0 . 6 - 0. 7 
0 . 7 - 0. 8 
0 . 8 - 0. 9 
0 . 9-1 
% 
- Absent 
+ Present 
Near Strait 
' f 4 f. 
Buidir Pass 
* 
j£+*i**> 
> 
Figure 6 
Observed (symbols) and predicted (shaded) presence or absence of adult Pacific ocean perch ( Sebastes alutus ) over an 
inverse distance-weighted surface from a generalized additive model based on Aleutian Islands bottom trawl surveys 
conducted during 1997-2010 across the (A) eastern, (B) central, and (C) western Aleutian Islands. 
