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Session 8
The role of zooplankton in biogeochemical cycles


Hiroaki Saito (Tohoku National Fisheries Research Institute, Japan)
Deborah Steinberg (Virginia Institute of Marine Science, USA)

Invited Speaker:

Santiago Hernandez-Leon (Universidad de Las Palmas de GC, Spain)

Zooplankton play an integral role in the cycling of elements in the sea. As key drivers of the biological pump, zooplankton feed in surface waters and produce sinking fecal pellets, and actively transport dissolved and particulate matter to depth via vertical migration. Zooplankton grazing and metabolism transforms particulate organic matter into dissolved forms, affecting primary producer populations, microbial remineralization, and particle export to the ocean’s interior. The elemental stoichiometry of zooplankton and their prey often differ, resulting in non-Redfieldcycling of C, N and P. We invite papers on role of zooplankton (both metazoan and protozoan) in biogeochemical cycles reflectingthe significantstrides that have been made in this area, as well as identifying crucial gaps in our knowledge. Topics may include, but are not limited to: the role of zooplankton in the biological pump, mesopelagic and deep sea processes, trophic interactions and nutrient cycling, ecological stoichiometry, effects on biogeochemical cycling (measured or modeled) of human or climate influencedchanges in zooplankton community structure, and regional comparisons or global syntheses of the importance of zooplankton in biogeochemical cycles. This session theme is closely related to research goals within IMBER (Integrated Marine Biogeochemistry and Ecosystem Research).

March 18, 2011

Santiago Hernández-León (Invited)
Zooplankton and biogeochemical cycles: Who is conducting the orchestra? (S8-7318)<
(pdf, 2 Mb)

Houssem E. Smati, Songniang Jiang, Maureen H. Conte and Tommy D. Dickey
Physical forcing, zooplankton dynamics and particulate carbon export to the deep ocean in the northwestern Sargasso Sea (S8-6890)
(waiting for permission)
Jillian L. Schneider, Leanne Elder, Rui Rosa, Amy Maas, Lillian Hancock and Brad A. Seibel
Hypoxia induced metabolic suppression in migratory zooplankton living in oxygen minimum zones (S8-7162)
(pdf, 0.7Mb)
Sari L.C. Giering, Richard Sanders, Richard S. Lampitt, Chris Marsay and Daniel J. Mayor
Mesozooplankton demands exceed carbon flux in the twilight zone (S8-6992)
(pdf, 1 Mb)
Marja Koski, Kristine Engel Arendt, Fabien Lombard, Sigrun Jopnasdottir, Jörg Dutz and Sanne Kjellerup
Copepods and the biological pump: The potential effects of large vs. small copepods on vertical flux (S8-7019)
(pdf, 1.2 Mb)
Christian Wexels Riser, Camilla Svensen, Marit Reigstad, Lena Seuthe and Tobias Tamelander
Degradation of copepod faecal pellets: The role of small-sized, <180µm, plankton and Calanus finmachicus (S8-7215)
(pdf, 0.7 Mb)
Fabien Lombard and Thomas Kiørboe
Marine snow originating from appendicularia: Age-changes in houses settling characteristics and the effect of ballast material (S8-6952)
(pdf, 0.6 Mb)
A.David McKinnon, Felipe Gusmão, Miles Furnas and Ruth Böttger-Schnack
The contribution of metazooplankton to carbon flux in waters adjacent to an eastern Indian Ocean coral atoll (S8-6921)
(waiting for permission)
Gérald Darnis and Louis Fortier
Zooplankton mediation of carbon cycling and export in the Amundsen Gulf system (southeastern Beaufort Sea) (S8-7226)
(pdf, 1.4 Mb)
Julie E. Keister and Stephen D. Pierce
The impact of upwelling filamets on carbon cycling and advection of coastal zooplankton: A synthesis with new observations (S8-7311)
(pdf, 1.5 Mb)
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    November 5 , 2010
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