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Tracking changes in bioavailable Fe within high-nitrate low-chlorophyll oceanic waters: A first estimate using a heterotrophic bacterial bioreporter

Mioni, C; Handy, S; Ellwood, Michael; Twiss, Michael R; McKay, R M; Boyd, P W; Wilhelm, S W


It is conventional knowledge that heterotrophic bacteria play a key role in the biogeochemical cycling of oceanic carbon. However, only recently has their role in marine iron (Fe) biogeochemical cycles been examined. Research during this past decade has demonstrated an inextricable link between Fe chemistry and the biota, as >99% of Fe in marine systems is complexed to organic chelates of unknown but obviously biotic origin. Here we present a novel approach to assess and compare Fe...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: Global Biogeochemical Cycles
DOI: 10.1029/2005GB002476


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