Laman et al.: Correlating environmental and biogenic factors with abundance and distribution of Sebastes alutus in Alaska 
281 
Unimak Pass 
Islands of 
Four 
Mountains 
Akutan Pass 
B 
- r - 
0Sk 
+ 
- 
176°W 
174°W 
k 
Amchitka Pass 
f + 
- + + + 
170‘E 172"E 174”E 176”E 178”E 
Figure 5 
Observed (symbols) and predicted (shaded) presence or absence of juvenile Pacific ocean perch ( Sebastes alutus) over an 
inverse distance-weighted surface from a generalized additive model based on Aleutian Islands bottom trawl surveys con- 
ducted during 1997-2010 across the (A) eastern, (B) central, and (C) western Aleutian Islands. 
