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Published in:
2006 | OriginalPaper | Chapter
Influence of allochthonous plant litter on the fixation of Uranium in sediments
Authors : Holger Dienemann, Claudia Dienemann, E. Gert Dudel
Published in: Uranium in the Environment
Publisher: Springer Berlin Heidelberg
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Plant litter of
Alnus glutinosa
(L.)
Gaertner
(alder) and
Quercus spec.
(oak) was investigated downstream an abandoned uranium mine tailing. Uranium concentrations in unwashed samples varied between 20 – 2000 µg*g
−1
*DM
−1
with differences between plant compartments: wood (app. 50 µg*g
−1
*DM
−1
), leaves (app. 200 – 400 µg*g
−1
*DM
−1
) and alder cones (app. 700 µg*g
−1
*DM
−1
). Compared to leaves from oak alder leaves contain significantly more uranium. Washing partially removes attached particles from the leaf surface. Uranium concentrations in unwashed alder leaves were usually smaller than in washed samples (<2000µg*g
−. 1
*DM
−1
).