Lowe et a!.: Geographic variation in genetic and growth patterns of Pleurogrammus monopterygius 
509 
Table 4 
Two-way factorial analysis of variance of Atka mackerel 
length-at-age data collected from the 1993 and 1994 trawl 
surveys of the Gulf of Alaska and Aleutian Islands, respec- 
tively. The model contains the factors age and area, and 
an interaction term of age x area. SS = sum of squares. 
Mean 
Source 
df 
SS 
square 
.E-value 
P>F 
Age 
11 
14,576.45 
1325.13 
275.00 
<0.0001 
Area 
3 
5380.33 
1793.44 
372.19 
<0.0001 
Age x area 
20 
260.09 
13.00 
2.70 
<0.0001 
Error 
477 
2298.51 
4.82 
Table 5 
Two-way factorial analysis of variance of Atka mackerel 
length-weight data collected from the 1993 and 1994 trawl 
surveys of the Gulf of Alaska and Aleutian Islands, respec- 
tively. The model contains the factors length and area, and 
an interaction term of length x area. SS = sum of squares. 
Mean 
Source 
df 
SS 
square 
F-value 
P>F 
Length 
28 
59.73 
2.13 
278.13 
<0.0001 
Area 
3 
1.21 
0.40 
52.77 
<0.0001 
Length x area 
56 
1.65 
0.10 
3.85 
<0.0001 
Error 
425 
3.26 
0.01 
TafaSe 6 
Allele frequencies for 22 loci in Atka mackerel. “No.” represents the number of successfully screened fish. Rare variation is 
described for 7 alleles 1 and 8 additional loci. 2 Seven loci were monomorphic: AK *, CK*, bGALA*, bGLUA *, mMDH-2*, sMDH-2*, 
and PEPB-2*. 
Sample location Sample location 
Locus, Locus, 
sample size 
and alleles 
Umnak 
Island 
Seguaxn 
Pass 
Kiska 
Island 
Attu 
Island 
sample size 
and alleles 
Umnak 
Island 
Seguam 
Pass 
Kiska 
Island 
Attu 
Island 
AAT-1* 
AH-2* 3 
No. 
39 
100 
73 
74 
No. 
56 
96 
80 
71 
*-100 
1.000 
0.995 
0.993 
0.993 
*100 
0.536 
0.521 
0.613 
0.514 
*-63 
0.000 
0.005 
0.007 
0.007 
*115 a 
0.384 
0.354 
0.300 
0.366 
AAT-2* 
*120 
0.054 
0.063 
0.044 
0.070 
No. 
62 
100 
80 
73 
*117 
0.009 
0.000 
0.019 
0.014 
*100 
0.815 
0.860 
0.875 
0.829 
*94 
0.009 
0.005 
0.000 
0.014 
*60 
0.185 
0.135 
0.112 
0.164 
*84 
0.009 
0.057 
0.025 
0.021 
*115 
0.000 
0.000 
0.006 
0.007 
ALAT* 
*82 
0.000 
0.005 
0.006 
0.000 
No. 
63 
92 
78 
73 
AAT-3* 
*100 
0.563 
0.533 
0.564 
0.555 
No. 
70 
89 
76 
73 
*70 
0.413 
0.457 
0.436 
0.425 
*100 
0.900 
0.916 
0.888 
0.925 
*120 
0.024 
0.011 
0.000 
0.021 
*110 
0.100 
0.084 
0.112 
0.075 
EST* 
ADA* 
No. 
62 
74 
73 
61 
No. 
59 
96 
78 
72 
*100 
0.645 
0.608 
0.541 
0.648 
*100 
0.534 
0.417 
0.449 
0.444 
*90 
0.290 
0.345 
0.390 
0.303 
*75 
0.280 
0.292 
0.269 
0.285 
*110 
0.040 
0.041 
0.062 
0.033 
*89 
0.025 
0.036 
0.026 
0.021 
*85 
0.024 
0.007 
0.007 
0.016 
*110 
0.008 
0.031 
0.064 
0.049 
G3PDH-1* 
*115 
0.000 
0.010 
0.026 
0.000 
No. 
74 
94 
80 
74 
*120 
0.110 
0.172 
0.135 
0.174 
*-100 
0.993 
0.995 
0.981 
1.000 
*130 
0.034 
0.016 
0.032 
0.014 
*-70 
0.007 
0.005 
0.019 
0.000 
*140 
0.000 
0.010 
0.000 
0.000 
G3PDH-2* 1 
*155 
0.008 
0.016 
0.000 
0.014 
No. 
72 
98 
67 
74 
ADH* 
*100 
0.993 
0.964 
0.985 
1.000 
No. 
69 
100 
76 
67 
*125 
0.007 
0.031 
0.015 
0.000 
*-100 
0.870 
0.875 
0.908 
0.836 
GPI-1* 
*-183 
0.094 
0.100 
0.086 
0.149 
No. 
73 
100 
80 
74 
*-250 
0.022 
0.025 
0.007 
0.015 
*100 
0.904 
0.880 
0.881 
0.926 
*-25 
0.014 
0.000 
0.000 
0.000 
*25 
0.096 
0.120 
0.119 
0.074 
continued 
