Zooplankton dynamics in the eastern Atlantic sector of the Southern Ocean during the austral summer 1997/1998—Part 2: Grazing impact
作者： E.A. Pakhomov , P.W. Froneman
DOI: 10.1016/J.DSR2.2000.11.002
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摘要: Abstract Zooplankton grazing impact using the gut fluorescence technique was investigated in top 200 m water layer along 6°E meridian between 49°50′ and 60°25′S at six Biostations during a Scandinavian/South African Joint Global Ocean Flux Study (December 1997–January 1998) on board SA Agulhas . Copepods were found to be most conspicuous grazers entire transect, generally accounting for ≈40% of total zooplankton grazing. Pelagic pteropods, Limacina helicina Clio sulcata , second important within Seasonal Ice Edge (SIE) region, while tunicate Salpa thompsoni euphausiids, mainly Euphausia superba E. frigida third consumers phytoplankton production Winter (WIE) Antarctic Polar Front (APF) regions. The overall ingestion rates community ranged from 24 277 mg C m −2 day −1 lowest highest recorded SIE APF low region
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