Vanadium uptake and translocation in dominant plant species on an urban coastal brownfield site

Yu Qian, Frank J. Gallagher, Huan Feng, Meiyin S Wu, Qingzhi Zhu

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

This study, conducted at a brownfield site in New Jersey, USA, investigated factors controlling V uptake and translocation in naturally assembled plant species. Six dominant species were collected from 22 stations in the study area. We found that V concentration in the plants decreased in a sequence of root. >. leaf. >. stem. No significant differences were found among the six dominant plant species in terms of root V uptake efficiency (V BCF) and V root to shoot translocation (V TF). Although soil pH and TOC did not show significant impact on V accumulation in the roots, soil labile V content showed significant positive linear correlation (p. <. 0.05) with plant root V. Non-linear regression analysis indicates that V translocation efficiency decreases with increasing concentration in the soil, implying that excessive V in the soil might inhibit its absorption by the plant roots. Leaf V concentration was constant in all the plant species regardless of the variation in soil V concentration. The study shows that the six dominant plant species on site had limited amount of V translocated to the aerial part of the plant. •Factors that control plant V uptake and translocation are evaluated.•Root uptake and translocation efficiency do not significantly vary with the species.•Root V concentration increases with soil potentially leachable V content.•Excessive V in the soil can inhibit plant root V absorption capacity.•Vanadium translocation to plant aerial parts depends on individual plant response.

Original languageEnglish
Pages (from-to)696-704
Number of pages9
JournalScience of the Total Environment
Volume476-477
DOIs
StatePublished - 1 Apr 2014

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brownfield site
Vanadium
vanadium
translocation
Soils
soil
Antennas
plant species
Regression analysis
regression analysis
shoot
stem

Keywords

  • Brownfield
  • Plant
  • Toxic effect
  • Translocation
  • Uptake
  • Vanadium

Cite this

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abstract = "This study, conducted at a brownfield site in New Jersey, USA, investigated factors controlling V uptake and translocation in naturally assembled plant species. Six dominant species were collected from 22 stations in the study area. We found that V concentration in the plants decreased in a sequence of root. >. leaf. >. stem. No significant differences were found among the six dominant plant species in terms of root V uptake efficiency (V BCF) and V root to shoot translocation (V TF). Although soil pH and TOC did not show significant impact on V accumulation in the roots, soil labile V content showed significant positive linear correlation (p. <. 0.05) with plant root V. Non-linear regression analysis indicates that V translocation efficiency decreases with increasing concentration in the soil, implying that excessive V in the soil might inhibit its absorption by the plant roots. Leaf V concentration was constant in all the plant species regardless of the variation in soil V concentration. The study shows that the six dominant plant species on site had limited amount of V translocated to the aerial part of the plant. •Factors that control plant V uptake and translocation are evaluated.•Root uptake and translocation efficiency do not significantly vary with the species.•Root V concentration increases with soil potentially leachable V content.•Excessive V in the soil can inhibit plant root V absorption capacity.•Vanadium translocation to plant aerial parts depends on individual plant response.",
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Vanadium uptake and translocation in dominant plant species on an urban coastal brownfield site. / Qian, Yu; Gallagher, Frank J.; Feng, Huan; Wu, Meiyin S; Zhu, Qingzhi.

In: Science of the Total Environment, Vol. 476-477, 01.04.2014, p. 696-704.

Research output: Contribution to journalArticle

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