38

Figure  5:
Comparison
between
calculated
and  observed
activity
concentrations
of  90 Sr  in
pike  flesh
(freshwater
fish)  for  subregions
  83,  85,
87  and  89;  and
in  perch  for
sub-region  91.

Sr-90:  activity  concentration  in  fish;  CF=1.70  l/kg
Measd  data:  Model-Box-83.  Rubin-ESOX  LUC;Tiss-5

Vear

a
8

Sr-90:  activity  concentration  in  fish;  CF=1.50  l/kg
Measd  data:  Model-Box=85,  Rubin=ESOX  LUC;Tiss=5

Year

Sr-90:  activity  concentration  in  fish;  CF=4.00  l/kg
Measd  data:  Model-Box=87,  Rubin=ESOX  LUC;Tiss=5

o>  .30

“  D  87  Bothnian  Bay

.

1
1  ,25

J 1
O'
e  .20

c
o
f
S  -15
Of

i
?

1

c
0
1  10

f.

5
1  05
t_
\S1

y

♦♦  \

1955  1960  1965  1970  1975  1980  1985  1990  1995  2000  2005
Year

*

0
1

§
i

Sr-90:  activity  concentration  in  fish;  CF=3.10  l/kg
Measd  data:  Model-Box=91,  Rubin=PERC  FLU;Tiss=5

Year