Phytoremediation of polycyclic hydrocarbon contaminated soil: Part II. Impact on ecotoxicity

Naressa Cofield; A. Paul Schwab; Phillip Williams; M. Katherine Banks

doi:10.1080/15226510701603866

Phytoremediation of polycyclic hydrocarbon contaminated soil: Part II. Impact on ecotoxicity

Naressa Cofield, A. Paul Schwab, Phillip Williams, M. Katherine Banks

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10 Scopus citations

Abstract

Several biological assays were used to evaluate the toxic effects of contaminants in soil after phytoremediation. During the treatment process, significant decreases in overall toxicity were observed. Specifically, earthworm survivability and lettuce germination increased over the study period. Microbial respiration improved, but only in planted treatments. Toxicity and total polycyclic aromatic hydrocarbon concentrations showed some correlation, but the relationships generally were not significant. Soil moisture was less of a predictor for biological responses. The presence of plants did not provide a clear advantage for improving toxicity compared to unplanted treatments.

Original language	English (US)
Pages (from-to)	371-384
Number of pages	14
Journal	International Journal of Phytoremediation
Volume	9
Issue number	5
DOIs	https://doi.org/10.1080/15226510701603866
State	Published - Sep 2007

Keywords

Contamination
Earthworms
Microorganisms
Phytoremediation
Plants
Polycyclic aromatic hydrocarbons (PAHs)
Soil
Toxicity

ASJC Scopus subject areas

Environmental Chemistry
Pollution
Plant Science

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title = "Phytoremediation of polycyclic hydrocarbon contaminated soil: Part II. Impact on ecotoxicity",

abstract = "Several biological assays were used to evaluate the toxic effects of contaminants in soil after phytoremediation. During the treatment process, significant decreases in overall toxicity were observed. Specifically, earthworm survivability and lettuce germination increased over the study period. Microbial respiration improved, but only in planted treatments. Toxicity and total polycyclic aromatic hydrocarbon concentrations showed some correlation, but the relationships generally were not significant. Soil moisture was less of a predictor for biological responses. The presence of plants did not provide a clear advantage for improving toxicity compared to unplanted treatments.",

keywords = "Contamination, Earthworms, Microorganisms, Phytoremediation, Plants, Polycyclic aromatic hydrocarbons (PAHs), Soil, Toxicity",

author = "Naressa Cofield and Schwab, {A. Paul} and Phillip Williams and Banks, {M. Katherine}",

year = "2007",

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doi = "10.1080/15226510701603866",

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T1 - Phytoremediation of polycyclic hydrocarbon contaminated soil

T2 - Part II. Impact on ecotoxicity

AU - Cofield, Naressa

AU - Schwab, A. Paul

AU - Williams, Phillip

AU - Banks, M. Katherine

PY - 2007/9

Y1 - 2007/9

N2 - Several biological assays were used to evaluate the toxic effects of contaminants in soil after phytoremediation. During the treatment process, significant decreases in overall toxicity were observed. Specifically, earthworm survivability and lettuce germination increased over the study period. Microbial respiration improved, but only in planted treatments. Toxicity and total polycyclic aromatic hydrocarbon concentrations showed some correlation, but the relationships generally were not significant. Soil moisture was less of a predictor for biological responses. The presence of plants did not provide a clear advantage for improving toxicity compared to unplanted treatments.

AB - Several biological assays were used to evaluate the toxic effects of contaminants in soil after phytoremediation. During the treatment process, significant decreases in overall toxicity were observed. Specifically, earthworm survivability and lettuce germination increased over the study period. Microbial respiration improved, but only in planted treatments. Toxicity and total polycyclic aromatic hydrocarbon concentrations showed some correlation, but the relationships generally were not significant. Soil moisture was less of a predictor for biological responses. The presence of plants did not provide a clear advantage for improving toxicity compared to unplanted treatments.

KW - Contamination

KW - Earthworms

KW - Microorganisms

KW - Phytoremediation

KW - Plants

KW - Polycyclic aromatic hydrocarbons (PAHs)

KW - Soil

KW - Toxicity

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Phytoremediation of polycyclic hydrocarbon contaminated soil: Part II. Impact on ecotoxicity

Abstract

Keywords

ASJC Scopus subject areas

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