Organs or
tissues
Skin
Rats ~ Biijiri
n
6
Shore birds - Rojoa Ratio of d/m/g
d/m/g in
thousands
9.2
6
6
0.94
17.
2
2
Liver
6
1.9
2
12
8.1
tract
Lung
6
thousands
2
Muscle
Bone
Digestive
d/m/g in
n
19.
6
1.0
of shore birds
2.06
0.63
7.6
0.67
0.45
2.5
1.32
57.
2
to rats
0.86
7.04
0.87
Only in the activity of the digestive tract do the two
forms differ by more than a factor of three, also the differences are not consistently in favor of either of the forms.
Differences in activity levels between birds of different
feeding habits were found.
Average values for the shore birds
of the Rojoa-Aaraanbiru area and those for the terns in the
Aaraanbiru area are as follows:
Organs or
tissues
Terns - Aareanbiru
n
d/m/g in
Shore birds -Rojoa
thousands
n
d/m/g in
thousands
Ratio of d/m/g
of shore birds
to terns
Skin
2
1.1
3
17.
15.45
Bone
2
0.86
3
k.O
4.65
2
0.78
3
4S
5.77
6
2.1
9
Muscle
2
Liver
Digestive
tract
0.36
3
1.1
76.
3.05
36.18
Shore birds and rats appear to be more alike in relation to
uptake of radioactive materials than do the shore birds and
terns.
It appears likely, however,
that the shore birds and
rats are different regarding retention of radioactive materials
-
72 -