NDLI: Arsenic Accumulation and Translocation in Mangrove (Aegiceras corniculatum L.) Grown in Arsenic Contaminated Soils

Content Provider	PubMed Central
Author	Wu, Gui-rong Hong, Hua-long Yan, Chong-ling
Editor	Naidu, Ravi
Copyright Year	2015
Abstract	Mangrove wetlands serve as both a sink and source for arsenic (As), as mangrove plants are able to uptake and accumulate As. The present study used pot experiments to evaluate As accumulation and translocation in mangrove (Aegiceras corniculatum L.) seedlings grown in As contaminated soils. Results indicated that A. corniculatum seedlings grew normally under As stress with minute growth inhibition and biomass reduction at different As treatment concentrations in a range of 0–150 mg·kg−1. As concentrations in roots, stems and leaves were increased with increasing As treatment concentrations, but As accumulated mainly in roots, with accumulation rates of 74.54%–89.26% of the total As accumulation. In particular, relatively high bioconcentration factor (BCF) in root (2.12–1.79), low BCF in stem (0.44–0.14) and leaf (0.06–0.01), and thereby a low translocation factor (TF) in stem/root (0.21–0.08) and leaf/root (0.02–0.008) were observed. These results demonstrated that A. corniculatum is an As excluder with the innate capacity to tolerate As stress and root tissues may be employed as a bio-indicator of As in polluted sediments. Additionally, A. corniculatum is a potential candidate mangrove species for As phytostabilization in tropical and subtropical estuarine wetlands.
Related Links	http://dx.doi.org/10.3390/ijerph120707244
Ending Page	7253
Page Count	10
Starting Page	7244
File Format	PDF
ISSN	16604601
e-ISSN	16604601
Journal	International Journal of Environmental Research and Public Health
Issue Number	7
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2015-06-01
Access Restriction	Open
Rights Holder	MDPI
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Pollution Public Health, Environmental and Occupational Health

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