Abstract:
:The influence of Juncus maritimus, Phragmites australis, and Triglochin striata on hydrocarbon degrading microorganisms (HD) in Lima River estuary (NW Portugal) was investigated through a year-long plant life cycle. Sediments un-colonized and colonized (rhizosediments) by those salt marsh plants were sampled for HD, total cell counts (TCC), and total petroleum hydrocarbons (TPHs) assessment. Generally, TCC seemed to be markedly thriving by the presence of roots, but without significant (p > 0.05) differences among rhizosediments. Nevertheless, plants seemed to have a distinct influence on HD abundance, particularly during the flowering season, with higher HD abundance in the rhizosediments of the fibrous roots plants (J. maritimus < P. australis < T. striata). Our data suggest that different plants have distinct influence on the dynamics of HD populations within its own rhizosphere, particularly during the flowering season, suggesting a period of higher rhizoremediation activity. Additionally, during the vegetative period, plants with fibrous and dense root system tend to retain hydrocarbons around their belowground tissues more efficiently than plants with adventitious root system. Overall results indicate that fibrous root plants have a higher potential to promote hydrocarbons degradation, and that seasonality should be taken into account when designing long-term rhizoremediation strategies in estuarine areas.
journal_name
Int J Phytoremediationjournal_title
International journal of phytoremediationauthors
Ribeiro H,Almeida CM,Mucha AP,Bordalo AAdoi
10.1080/15226514.2012.735285subject
Has Abstractpub_date
2013-01-01 00:00:00pages
715-28issue
8eissn
1522-6514issn
1549-7879journal_volume
15pub_type
杂志文章abstract::Six plant species were tested for their ability to accumulate depleted uranium in their above-ground biomass from deployed munitions contaminated soil in New Mexico. In greenhouse experiments, Kochia (Kochia scoparia L. Schrad.) and pigweed (Amaranthus retroflexus L) were grown with steer manure added at rates of 22.4...
journal_title:International journal of phytoremediation
pub_type: 杂志文章
doi:10.1080/15226510903353153
更新日期:2010-08-01 00:00:00
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journal_title:International journal of phytoremediation
pub_type: 杂志文章
doi:10.1080/15226514.2013.862208
更新日期:2015-01-01 00:00:00
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
pub_type: 杂志文章
doi:10.1080/15226514.2017.1337077
更新日期:2018-01-28 00:00:00
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journal_title:International journal of phytoremediation
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更新日期:2018-01-01 00:00:00
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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更新日期:2019-01-01 00:00:00
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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doi:10.1080/15226514.2016.1217392
更新日期:2017-03-04 00:00:00
abstract::In constructed wetland (CW) ecology, plants play a vital role in wastewater treatment. The plants provide an adequate surface to various microorganisms, transfers oxygen and uptake nutrients to treat wastewater. This study deals with the treatment of greywater by using vertical flow constructed wetland system (VFCW). ...
journal_title:International journal of phytoremediation
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更新日期:2020-01-01 00:00:00
abstract::Scirpus americanus Pers. occurs naturally in "San Germán," a pond that serves as a receptor of industrial wastewater in Guanajuato, México. This plant accumulates metals mainly in the root: concentrations (mg/kg) of Cr, As, Cd and Se were 970, 49, 41, and 85 respectively. Analysis of rhizosphere samples indicated bact...
journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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更新日期:2018-02-23 00:00:00
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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更新日期:2017-03-04 00:00:00
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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