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Accumulation of Fallout 137Cs in some plants and berries of the family Ericaceae (1986)

Auteur	Bunzl, Krache
Datum	april 1986
Classificatie	6.01.3.90/06 (VEILIGHEID - CENTRALES - BRONTERM)
Voorkant

Accumulation of Fallout 137Cs in Some Plants and Berries of the Family Ericaceae

Introduction

IN A RECENT investigation (Bu84) we observed comparatively high specific 
activities of fallout 137Cs in heather (Calluna Vulgaris) and bilberries (Vaccinium
Myrtillus), which belong to the family Eriraceae. Because several plants in the genus 
I Vaccinium of this family produce fruit which are consumed by humans (for 
example, cranberries, bilberries and cowberries), it is of interest to know whether 
137Cs is accumulated in other plants of this genus. For this reason, we determined 
the specific activities of fallout 137Cs in four common Vaccinium plants. V. 
myrtillus -bilberry. V. lifl.c."'mn.\U\-bog bilberry. V. rifl,~ultlc'a- cowberry or 
mountain cranberry. V. oxycoccus-northern cranberry, as well as in Calluna 
vulgaris-heather. For comparison, specific activities were also determined in grass 
Molinia caerulea and Trichophorum cespitosum. As far as possible the specific 
activities of the radionuclide were measured separately in the stem, leaves, flowers, 
fruits and roots of the plants. All plants were found growing as a community in a 
raised hog (peatland), which ensured that they all received the same amount of 
fallout 137Cs deposition. To calculate soil/plant transfer factors, the specific 
activity of 137Cs in the soil was also determined. 

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