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26 April 2024 |
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Mesoscale eddies drive increased silica export in the subtropical Pacific Ocean | Claudia R Benitez-Nelson
; Robert R Bidigare
; Tommy D Dickey
; Michael R Landry
; Carrie L Leonard
; Susan L Brown
; Francesco Nencioli
; Yoshimi M Rii
; Kanchan Maiti
; Jamie W Becker
; Thomas S Bibby
; Wil Black
; Wei-Jun Cai
; Craig A Carlson
; Feizhou Chen
; Victor S Kuwahara
; Claire Mahaffey
; Patricia M McAndrew
; Paul D Quay
; Michael S Rappé
; Karen E Selph
; Melinda P Simmons
; Eun Jin Yang
; | Date: |
18 May 2007 | Journal: | Science, 316 (5827), 1017-21 | Abstract: | Mesoscale eddies may play a critical role in ocean biogeochemistry by increasing nutrient supply, primary production, and efficiency of the biological pump, that is, the ratio of carbon export to primary production in otherwise nutrient-deficient waters. We examined a diatom bloom within a cold-core cyclonic eddy off Hawaii. Eddy primary production, community biomass, and size composition were markedly enhanced but had little effect on the carbon export ratio. Instead, the system functioned as a selective silica pump. Strong trophic coupling and inefficient organic export may be general characteristics of community perturbation responses in the warm waters of the Pacific Ocean. | Source: | PubMed, pmid17510362 doi: 10.1126/science.1136221 | Services: | Forum | Review | Favorites |
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