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Version 3.24
Publication Type B
Authors Povidisa, K; Holmer, M
[=Group Author] IEEE
Author Full Name Povidisa, Katrina; Holmer, Marianne
Title Iron plaque formation on seagrasses: Why not?
Language English
Document Type Proceedings Paper
Conference Title IEEE/OES Us/EU-Baltic International Symposium
Conference Date MAY 27-29, 2008
Conference Location Tallinn, ESTONIA
Conference Sponsors IEEE, OES, US Baltic Fdn, Eu Baltic Fdn
Abstract Iron (Fe) plaque formation is a well known phenomenon in wetland, freshwater and salt marsh species; however there are no reports about Fe plaque occurrence in seagrasses. Here we review the main factors regulating Fe deposition on the roots and rhizomes of plants from reduced sediments/soils, and discuss these factors in relation to marine environment. Moreover, we present some early observations and quantification of Fe plaque on the tropical seagrass Cymodocea serrulata. Based on these first results and literature data, we compare the seagrass C. serrulata with the freshwater macrophyte Lobelia dortmanna performance and efficiency with regard to plaque formation. The comparison shows that regardless of the lower oxygen release to the sediment and less favourable sediment conditions with high pH, low organic matter content, high carbonate content and actively ongoing sulphate reduction, the seagrass is able to develop significant Fe plaques on roots and rhizomes. Thus we conclude that seagrasses have the necessary characteristics for plaque formation, and that marine sediments may be a favourable environment for Fe plaque development. Moreover, we suggest the likelihood of finding Fe deposits also on other species than C. serrulata and in other geographical locations.
Author Address [Povidisa, Katrina; Holmer, Marianne] Univ So Denmark, Inst Biol, DK-2350 Odense M, Denmark
Reprint Address Povidisa, K (reprint author), Univ So Denmark, Inst Biol, Campusvej 55, DK-2350 Odense M, Denmark.
ResearcherID Number Povidisa, Katrina/A-8242-2010; Holmer, Marianne/M-6989-2014
ORCID Number Holmer, Marianne/0000-0002-6095-5488
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Cited Reference Count 63
Times Cited 1
Total Times Cited Count (WoS, BCI, and CSCD) 1
Publisher IEEE
Publisher City NEW YORK
Publisher Address 345 E 47TH ST, NEW YORK, NY 10017 USA
ISBN 978-1-4244-2267-8
Year Published 2008
Beginning Page 148
Ending Page 156
Page Count 9
Web of Science Category Ecology; Engineering, Marine
Subject Category Environmental Sciences & Ecology; Engineering
Document Delivery Number BIS99
Unique Article Identifier WOS:000262477400024
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