TERMIUM Plus^®

Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 DEF

A plant or tree that grows in a metal-bearing soil and accumulates an abnormal content of the metal.  3, fiche 1, Anglais, - accumulator%20plant

Record number: 1, Textual support number: 1 CONT

Accumulator plants are known for many naturally-occurring chemical elements. The term "accumulator plant" is used here to describe plants which have dry-weight elemental concentrations greater than either the associated substrate or "normal" plants. Much work has centred on copper, zinc and selenium accumulators but little attempt has been made to explain the rationale of elemental accumulation. It is usually considered a "tolerance" mechanism, and only recently has the functional or essential role of these elements been suggested.  4, fiche 1, Anglais, - accumulator%20plant

Record number: 1, Textual support number: 2 CONT

... accumulator plants are important indicators of seleniferous soils on rangeland and can be used to identify soils where Se poisoning may occur ...  5, fiche 1, Anglais, - accumulator%20plant

Record number: 1, Textual support number: 1 OBS

Do not confuse with the term "hyperaccumulator plant" which is a plant that accumulates very high concentration of contaminants (metals) in its leaves and stems.  6, fiche 1, Anglais, - accumulator%20plant

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 CONT

La phytoextraction [est] l'utilisation de plantes accumulatrices pour extraire, transporter, concentrer les polluants du sol dans les parties récoltables de la plante [(feuilles, tiges, etc.)].  2, fiche 1, Français, - plante%20accumulatrice

Record number: 1, Textual support number: 1 PHR

Plante accumulatrice d'aluminium, de métaux lourds, de sélénium.  3, fiche 1, Français, - plante%20accumulatrice

Fiche 1,  Justifications,  Espagnol