0
10
20
30
40
50
Bq/kg - mean values
C. rubrum
C. corymbosum
Cor. officinalis
C. barbata
C. crinita
Ulva rigida
Ent. intestinalis
Clad. vagabunda
Chaetom. gracilis
Cs-137
Ra-226
Pb-210
Fig. 18.12 Comparison of nuclide contents (Bq/kg) in different Black Sea algae
Shabla
Shabla
Kaliakra
Kaliakra
Tuzlata
Tuzlata
Ravda
Ravda
Sinemoretz
Sinemoretz
Ahtopol
Rezovo
Rezovo
5
6
7
8
9
10
11
12
13
14
15
Ceramium rubrum
Clad. vagabunda
Cs-137 [Bq/kg]
Cs-137 [Bq/kg]
0
1
2
3
4
5
6
7
8
Fig. 18.13
137
Cs content in
macroalgae – local
variations
18 Radioecology of the Black Sea
325