permitted comparison, the data are shown separately, and other
data appear in columns headed with question marks for mesh,
usually either No. 6 of 74/inch
or No. 20 of 173/inch.
Tatle 9 shows for the paired tows the ratio of the activ-
{ty per unit weight in coarse mesh to that in fine (No.6/No.20
on both a wet and ash weight basis.
Table 8
Ratio of radiazetivity is tewe with eearse apok te fine apenh
(06 920) om wet and con veight Beece.
aie
i954
SAS
Ribe
Bede
ter
«Wet
vos
1.481
33)
oS
6
.27)—
49
1.23
1%
-%
9A
1o/la2
nA
68
Yers_
=k
Dante frep fables 7 cad 8.
Deep
Wie
Pascegp
ek
tem
tem
-T7?
22 2.39
21.
-49
67
1.39 1.18
CF
3.62 3.67
-59
.7O)
1.61
.76
5
.6€0
6.81 2.99
420.7200
2,00
0%
(1.96
2.00
1.78 3.95
.%
32
vee
8 1.12
1.16
1.77 12.0
6.8
6.22
1.85
B.S
12/%
78
9
11/%6
-33
63
1l/er
&
62
1.2%
2.20
1.82 8.22
-%
1.57
2.13
1.68
83
88
1.85
1.97
1.37
1.69
7.50
6.96
-21)
(21.02
11/27
12/3
42.60
w/AT
-18
.90
8B 1.9
-3%
2.11
Between the northern localities of Belle Island and the
Mike crater and the southern localities of Wide Passage and
Leroy Island, there was a difference using the t test,
significant at the 2% level on the ash basis.
The reason is
not apparent for this association of high counts with fine
mesh nets at northern,
western localities.
and with coarse at the southern and
Whereas, in 1952 (WT-616) significantly higher radioac-
tivity occurred in fine mesh net hauls than in coarse, the
present data show wide variation.
On the wet basis the coarse
mesh was higher in 18 pairs and the fine mesh in 25 pairs,
while on the ash basis the figures were reversed,
the coarse
mesh was higher in 25 pairs and the fine mesh in 18 pairs.
Thus, neither wet nor ash vasis showed a significant difference due to mesh size.
te a a metelh le ee