منابع مشابه
Subseafloor sedimentary life in the South Pacific Gyre.
The low-productivity South Pacific Gyre (SPG) is Earth's largest oceanic province. Its sediment accumulates extraordinarily slowly (0.1-1 m per million years). This sediment contains a living community that is characterized by very low biomass and very low metabolic activity. At every depth in cored SPG sediment, mean cell abundances are 3 to 4 orders of magnitude lower than at the same depths ...
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Filamentous diazotrophic Cyanobacteria of the genus Trichodesmium, often found in colonial form, provide an important source of new nitrogen to tropical and subtropical marine ecosystems. Colonies are composed of several clades of Trichodesmium in association with a diverse community of bacterial and eukaryotic epibionts. We used high-throughput 16S rRNA and nifH gene sequencing, carbon (C) and...
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Introduction Conclusions References
متن کاملENSO and the North Pacific Gyre Oscillation: an integrated view of Pacific decadal dynamics
We show that decadal dynamics of the Pacific Decadal Oscillation (PDO) and the North Pacific Gyre Oscillation (NPGO) are linked through their relationships to ENSO. The PDO and NPGO are the oceanic expression of the two dominant modes of North Pacific atmospheric variability -the Aleutian Low (AL) and the North Pacific Oscillation (NPO). We compute the two dominant modes of ocean/atmosphere co-...
متن کاملGlacial/interglacial changes in subarctic north pacific stratification.
Since the first evidence of low algal productivity during ice ages in the Antarctic Zone of the Southern Ocean was discovered, there has been debate as to whether it was associated with increased polar ocean stratification or with sea-ice cover, shortening the productive season. The sediment concentration of biogenic barium at Ocean Drilling Program site 882 indicates low algal productivity dur...
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ژورنال
عنوان ژورنال: Eos, Transactions American Geophysical Union
سال: 2007
ISSN: 0096-3941
DOI: 10.1029/2007eo010001