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Authors Fitzgerald, EJ; Caffrey, JM; Nesaratnam, ST; McLoughlin, P
Author Full Name Fitzgerald, EJ; Caffrey, JM; Nesaratnam, ST; McLoughlin, P
Title Copper and lead concentrations in salt marsh plants on the Suir Estuary, Ireland
Source ENVIRONMENTAL POLLUTION
Language English
Document Type Article
Author Keywords salt marsh; plants; soil; metals; Aster tripolium
Keywords Plus HALIMIONE-PORTULACOIDES; METAL ACCUMULATION; SPARTINA-MARITIMA; ZINC; ZN; CU; COAST; ROOTS; IRON; FE
Abstract Concentrations of Cu and Pb were determined in the roots and shoots of six salt marsh plant species, and in sediment taken from between the roots of the plants, sampled from the lower salt marsh zone at four sites along the Suir Estuary in autumn 1997. Cu was mainly accumulated in the roots of monocotyledonous and dicotyledonous species. Pb was mainly accumulated in the roots of monocotyledons, while dicotyledons tended to accumulate Pb in the shoots. In the case of Aster tripolium there was a clear differentiation in the partitioning of Pb within the plant, between low and high salinity sites. At the low salinity sites, Pb accumulated only in the roots while at the high salinity sites there was a marked translocation to the shoots. The increase in Pb concentrations in roots and shoots of A. tripolium was accompanied by a concomitant decrease in sediment concentrations of Pb. This inverse correlation between sediment and plant concentrations of Pb was also recorded for Spartina spp. and Schoenoplectus tabernaemontani but in the case of these species the roots contained higher concentrations of Pb regardless of salinity levels. These differences in accumulation of Cu and Pb in various salt marsh species, and the influence of salinity on the translocation of Pb in A. tripolium in particular, should be taken into account when using these plants for biomonitoring purposes. (C) 2003 Elsevier Science Ltd. All rights reserved.
Author Address Waterford Inst Technol, Dept Chem & Life Sci, Waterford, Ireland; Cent Fisheries Board, Dublin, Ireland; Open Univ, Fac Technol, Dept Mech & Environm Engn, Milton Keynes MK7 6AA, Bucks, England
Reprint Address Fitzgerald, EJ (corresponding author), Waterford Inst Technol, Dept Chem & Life Sci, Cork Rd, Waterford, Ireland.
E-mail Address efitzgerald@wit.ie
ORCID Number McLoughlin, Peter/0000-0002-1185-9860
Times Cited 132
Total Times Cited Count (WoS, BCI, and CSCD) 143
Publisher ELSEVIER SCI LTD
Publisher City OXFORD
Publisher Address THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
ISSN 0269-7491
29-Character Source Abbreviation ENVIRON POLLUT
ISO Source Abbreviation Environ. Pollut.
Year Published 2003
Volume 123
Issue 1
Beginning Page 67
Ending Page 74
Article Number PII S0269-7491(02)00366-4
Digital Object Identifier (DOI) 10.1016/S0269-7491(02)00366-4
Page Count 8
Web of Science Category Environmental Sciences
Subject Category Environmental Sciences & Ecology
Document Delivery Number 659MP
Unique Article Identifier WOS:000181780700007
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