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Episodic enhancement of phytoplankton stocks in New Zealand subantarctic waters: Contribution of atmospheric and ocieanic iron supply

Boyd, P W; McTainsh, G; Sherlock, V; Richardson, K; Nichol, S; Ellwood, Michael; Frew, R


Around 30% of oceanic waters are high nitrate low chlorophyll (HNLC) where low iron levels limit algal growth. HNLC waters have mainly been studied using shipboard and lab experiments. Since 1997, remote-sensing of phytoplankton via SeaWiFS Ocean Color has permitted monitoring of the constancy of this "HNLC condition," i.e., spatial homogeneity and low temporal variability of chlorophyll over annual cycles. These trends can be exploited, as episodic iron inputs should be conspicuous by...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
Source: Global Biogeochemical Cycles
DOI: 10.1029/2002GB002020


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