Heterotrophic organisms dominate nitrogen fixation in the South Pacific Gyre

Abstract

Oceanic subtropical gyres are considered biological deserts because of the extremely low availability of nutrients and thus minimum productivities. The major source of nutrient nitrogen in these ecosystems is N2-fixation. The South Pacific Gyre (SPG) is the largest ocean gyre in the world, but measurements of N2-fixation therein, or identification of… (More)
DOI: 10.1038/ismej.2011.182

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