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Microbial control of diatom bloom dynamics in the open ocean

Boyd, P W; Strzepek, Robert; Chiswell, Steve; Chang, Hoe; DeBruyn, Jennifer M; Ellwood, Michael; Keenan, Sean; King, A.L.; Maas, Elisabeth W; Nodder, Scott D; Sander, Sylvia G; Sutton, Phillip; Twining, B.S.


Diatom blooms play a central role in supporting foodwebs and sequestering biogenic carbon to depth. Oceanic conditions set bloom initiation, whereas both environmental and ecological factors determine bloom magnitude and longevity. Our study reveals another fundamental determinant of bloom dynamics. A diatom spring bloom in offshore New Zealand waters was likely terminated by iron limitation, even though diatoms consumed <1/3 of the mixed-layer dissolved iron inventory. Thus, bloom duration and...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Geophysical Research Letters
DOI: 10.1029/2012GL053448


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