Cesium accumulation in native trees from the Brazilian Cerrado

Even considered not essential for plants, cesium may cycle within forest ecosystems. Taking into account the lack of knowledge on the distribution of this chemical element in Brazilian ecosystems, this work encompasses the unexpected cesium accumulation in native plant leaves from Cerradao, a Brazil...

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Published inJournal of radioanalytical and nuclear chemistry Vol. 310; no. 3; pp. 1123 - 1129
Main Authors De França, Elvis J., De Nadai Fernandes, Elisabete A., Miranda, Márcia V. F. E. S., Santos, Thiago O., Cantinha, Rebeca S.
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.12.2016
Springer
Springer Nature B.V
Subjects
Accumulators
Biodiversity
Cesium
Chemical elements
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Ecosystems
Forests
Hadrons
Heavy Ions
Inorganic Chemistry
Leaves
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Plants (botany)
Trace elements
Trees
Cs
Cerradao
Bioaccumulation
INAA
Savanna
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Summary:Even considered not essential for plants, cesium may cycle within forest ecosystems. Taking into account the lack of knowledge on the distribution of this chemical element in Brazilian ecosystems, this work encompasses the unexpected cesium accumulation in native plant leaves from Cerradao, a Brazilian hotspot of world biodiversity. Some trees were Cs accumulators, achieving mass fractions in leaves 700 times higher (up to 12.7 mg kg −1 ) when compared to other Brazilian native tree leaves from the Atlantic Forest. In fact, such trace element accumulation in leaves was not previously noticed for Brazilian ecosystems despite the intra- and inter-species variability observed in Cerrado tree leaves.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-016-4943-x