Hyperaccumulators of metal and metalloid trace elements: Facts and fiction

van der Ent, Antony, Baker, Alan J. M., Reeves, Roger D., Pollard, A. Joseph and Schat, Henk (2012) Hyperaccumulators of metal and metalloid trace elements: Facts and fiction. Plant and Soil, 362 1-2: 319-334. doi:10.1007/s11104-012-1287-3

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Author van der Ent, Antony
Baker, Alan J. M.
Reeves, Roger D.
Pollard, A. Joseph
Schat, Henk
Title Hyperaccumulators of metal and metalloid trace elements: Facts and fiction
Journal name Plant and Soil   Check publisher's open access policy
ISSN 0032-079X
Publication date 2012-01-01
Sub-type Article (original research)
DOI 10.1007/s11104-012-1287-3
Volume 362
Issue 1-2
Start page 319
End page 334
Total pages 16
Place of publication Dordrecht, Netherlands
Publisher Springer
Language eng
Formatted abstract
Background: Plants that accumulate metal and metalloid trace elements to extraordinarily high concentrations in their living biomass have inspired much research worldwide during the last decades. Hyperaccumulators have been recorded and experimentally confirmed for elements such as nickel, zinc, cadmium, manganese, arsenic and selenium. However, to date, hyperaccumulation of lead, copper, cobalt, chromium and thallium remain largely unconfirmed. Recent uses of the term in relation to rare-earth elements require critical evaluation.

Scope: Since the mid-1970s the term ‘hyperaccumulator’ has been used millions of times by thousands of people, with varying degrees of precision, aptness and understanding that have not always corresponded with the views of the originators of the terminology and of the present authors. There is therefore a need to clarify the circumstances in which the term ‘hyperaccumulator’ is appropriate and to set out the conditions that should be met when the terms are used. We outline here the main considerations for establishing metal or metalloid hyperaccumulation status of plants, (re)define some of the terminology and note potential pitfalls.

Conclusions: Unambiguous communication will require the international scientific community to adopt standard terminology and methods for confirming the reliability of analytical data in relation to metal and metalloid hyperaccumulators.
Keyword Hyperaccumulator
Trace elements
Hydroponic experiments
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online: 22 May 2012.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Centre for Mined Land Rehabilitation Publications
Official 2013 Collection
Sustainable Minerals Institute Publications
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Citation counts: TR Web of Science Citation Count  Cited 234 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 284 times in Scopus Article | Citations
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Created: Sat, 26 May 2012, 21:36:35 EST by Mr Antony Van Der Ent on behalf of Centre For Mined Land Rehabilitation