Phylogenetic variation in the tolerance and uptake of organic contaminants
Collins, C. and Willey, N. (2009) Phylogenetic variation in the tolerance and uptake of organic contaminants. International Journal of Phytoremediation, 11 (7). pp. 623-639. ISSN 1522-6514 Available from: http://eprints.uwe.ac.uk/11428
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Publisher's URL: http://dx.doi.org/10.1080/15226510902787286
An investigation into the phylogenetic variation of plant tolerance and the root and shoot uptake of organic contaminants was undertaken. The aim was to determine if particular families or genera were tolerant of, or accumulated organic pollutants. Data were collected from sixty-nine studies. The variation between experiments was accounted for using a residual maximum likelihood analysis to approximate means for individual taxa. A nested ANOVAwas subsequently used to determine differences at a number of differing phylogenetic levels. Significant differences were observed at a number of phylogenetic levels for the tolerance to TPH, the root concentration factor and the shoot concentration factor. There was no correlation between the uptake of organic pollutants and that of heavy metals. The data indicate that plant phylogeny is an important influence on both the plant tolerance and uptake of organic pollutants. If this study can be expanded, such information can be used when designing plantings for phytoremediation or risk reduction during the restoration of contaminated sites.
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