2005
DOI: 10.1016/j.envpol.2004.06.013
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Clonal variation in heavy metal accumulation and biomass production in a poplar coppice culture. II. Vertical distribution and phytoextraction potential

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Cited by 85 publications
(37 citation statements)
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“…3 and 4), suggesting an independent effect of stem height. This may have resulted from the ''xylem gradient effect'' reported by Laureysens et al (2005) for poplar trees. The extent of the gradients of metal concentrations along the length of tree stems may vary between elements; for example, Laureysens et al (2005) found that Al, Cd, Co and Cu concentrations in wood increased toward the stem apex, whereas there was no consistent trend for Mn, Na, Ni and V.…”
Section: Metal Concentrations In Leaves Wood and Barkmentioning
confidence: 91%
“…3 and 4), suggesting an independent effect of stem height. This may have resulted from the ''xylem gradient effect'' reported by Laureysens et al (2005) for poplar trees. The extent of the gradients of metal concentrations along the length of tree stems may vary between elements; for example, Laureysens et al (2005) found that Al, Cd, Co and Cu concentrations in wood increased toward the stem apex, whereas there was no consistent trend for Mn, Na, Ni and V.…”
Section: Metal Concentrations In Leaves Wood and Barkmentioning
confidence: 91%
“…Numerous species or clones belonging to the genera Salix and Populus exhibit these characteristics (French et al 2006;Robinson et al 2000;Unterbrunner et al 2007). The phytoextraction potential of Salix and Populus has been studied in hydroponics systems (e.g., Punshon and Dickinson 1997), pot experiments (e.g., Fischerová et al 2006;Wieshammer et al 2007) and field trials (e.g., Laureysens et al 2005;Vandecasteele et al 2002). These experiments have demonstrated large variation in HM tolerance and translocation capacity between Salix and Populus species and clones (Dickinson and Pulford 2005;Unterbrunner et al 2007).…”
Section: Introductionmentioning
confidence: 99%
“…However, as with other phytoextractors, tolerance was not demonstrated for all metals investigated. Laureysens et al (2005) found significant variation between Populus clones and between different metals as to where they accumulated and whether they were accessible for harvesting. Also, as noted earlier, the poor physical condition of many polluted soils may restrict the depth and proliferation of plant roots (Scullion and Malik 2000).…”
Section: Process Treatment Destruction/ Degradationmentioning
confidence: 97%