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EICHHORNIA CRASSIPES [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2007-09-19

English

Subject field(s)
  • Botany
Universal entry(ies)
Eichhornia crassipes
Latin
DEF

A tropical floating aquatic plant having spikes of large blue flowers and roundish leaves and being troublesome in clogging waterways especially in the southern United States.

OBS

A plant of the family Pontederiaceae.

French

Domaine(s)
  • Botanique
Entrée(s) universelle(s)
Eichhornia crassipes
Latin
DEF

Plante aquatique aux fleurs décoratives restant à la surface de l’eau grâce aux bases des pétioles renflés faisant flotteurs.

OBS

Plante de la famille des Pontederiaceae.

Spanish

Save record 1

Record 2 2007-01-29

English

Subject field(s)
  • Biotechnology
  • Plant Biology
  • Environmental Management
  • Anti-pollution Measures
DEF

The ratio of metal concentration in the plant (g metal/g dry weight tissue) to the initial soil concentration of the metal (g metal/g dry weight soil).

CONT

A phytoextraction coefficient is the ratio of the metal concentration found within the surface biomass of the plant over the metal concentration found in the soil. Thus, the greater the coefficient, the greater the uptake of contaminant.

French

Domaine(s)
  • Biotechnologie
  • Biologie végétale
  • Gestion environnementale
  • Mesures antipollution
CONT

En effet, les plants de tabac sont considérés comme hyperaccumulateurs de cadmium [...] Ce coefficient d’hyperaccumulation est défini comme le rapport de la concentration du cadmium dans les feuilles du tabac divisée par la concentration du cadmium dans le sol.

CONT

[...] l'introduction [dans le lac] d’espèces exotiques dont les facteurs de bioaccumulation et de bioconversion sont élevés [peut] en effet contribuer à purifier le lac [...] Ainsi, les Pistia stratiotes et les Eichhornia crassipes sont deux espèces de plantes tropicales avec un important coefficient d’accumulation des substances toxiques et de conversion [...]

Spanish

Save record 2

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