Research priorities for conservation of metallophyte biodiversity and their potential for restoration and site remediation

Whiting, S. N.; Reeves, R. D.; Richards, D.; Johnson, M. S.; Cooke, J. A.; Malaisse, François; Paton, A.; Smith, J. A. C.; Angle, J. S.; Chaney, R. L.; Ginocchio, R.; Jaffré, T.; Johns, R.; McIntyre, T.; Purvis, O. W.; Salt, D. E.; Schat, H.; Zhao, F. J.; Baker, A. J. M.

doi:10.1111/j.1061-2971.2004.00367.x

Article (Scientific journals)

Research priorities for conservation of metallophyte biodiversity and their potential for restoration and site remediation

Whiting, S. N.; Reeves, R. D.; Richards, D. et al.

2004 • In Restoration Ecology, 12 (1), p. 106-116

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Keywords :

Conservation of biodiversity; Ecosystem; Hyperaccumulators; Metal tolerance; Rehabilitation; Remediation engineering; Stabilization

Abstract :

[en] Plants that have evolved to survive on metal-rich soils-metallophytes-have key values that must drive research of their unique properties and ultimately their conservation. The ability of metallophytes to tolerate extreme metal concentrations commends them for revegetation of mines and metal-contaminated sites. Metallophytes can also be exploited in environmental technologies, for example, phytostabilization, phytoremediation, and phytomining. Actions towards conserving metallophyte species are imperative, as metallophytes are increasingly under threat of extinction from mining activity. Although many hundreds of papers describe both the biology and applications of metallophytes, few have investigated the urgent need to conserve these unique species. This paper identifies the current state of metallophyte research, and advocates future research needs for the conservation of metallophyte biodiversity and the sustainable uses of metallophyte species in restoration, rehabilitation, contaminated site remediation, and other nascent phytotechnologies. Six fundamental questions are addressed: (1) Is enough known about the global status of metallophytes to ensure their conservation? (2) Are metallophytes threatened by the activities of the minerals industry, and can their potential for the restoration or rehabilitation of mined and disturbed land be realized? (3) What problems exist in gaining prior informed consent to access metallophyte genetic resources and how can the benefits arising from their uses be equitably shared? (4) What potential do metallophytes offer as a resource base for phytotechnologies? (5) Can genetic modification be used to "design" metallophytes to use in the remediation of contaminated land? (6) Does the prospect of using metallophytes in site remediation and restoration raise ethical issues? © 2004 Society for Ecological Restoration International.

Disciplines :

Environmental sciences & ecology

Author, co-author :

Whiting, S. N.; School of Botany, University of Melbourne, Melbourne, VIC 3010, Australia

Reeves, R. D.; Institute of Fundamental Sci.-Chem., Massey University, Palmerston North, New Zealand

Richards, D.; Rio Tinto Plc., 6 St. James's Square, London SW1Y 4LD, United Kingdom

Johnson, M. S.; School of Biological Science, University of Liverpool, Liverpool L69 7ZB, United Kingdom

Cooke, J. A.; School of Life/Environmental Sci., University of Natal, Durban 4041, South Africa

Malaisse, François ; Université de Liège - ULiège > Forêts, Nature et Paysage > Biodiversité et Paysage

Paton, A.; Royal Botanic Gardens, Kew, Surrey TW9 3AB, United Kingdom

Smith, J. A. C.; Department of Plant Sciences, University of Oxford, Oxford OX1 3RB, United Kingdom

Angle, J. S.; College of Agriculture/Natural Rsrc., University of Maryland, College Park, MD 20742, United States

Chaney, R. L.; Animal/Environ. Science Laboratory, USDA-ARS, Beltsville, MD 20705, United States

More authors (9 more)

Language :

English

Title :

Research priorities for conservation of metallophyte biodiversity and their potential for restoration and site remediation

Publication date :

2004

Journal title :

Restoration Ecology

ISSN :

1061-2971

eISSN :

1526-100X

Publisher :

Blackwell, Oxford, United Kingdom

Volume :

Issue :

Pages :

106-116

Peer reviewed :

Peer Reviewed verified by ORBi

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since 28 May 2018

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