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Structure and function of contemporary food webs on Arctic shelves: a panarctic comparison: the pelagic system of the Kara Sea – Communities and components of carbon flow
Hirche, H.-J.; Kosobokova, K.N.; Gaye-Haake, B.; Harms, I.; Meon, B.; Nöthig, E.-M. (2006). Structure and function of contemporary food webs on Arctic shelves: a panarctic comparison: the pelagic system of the Kara Sea – Communities and components of carbon flow. Prog. Oceanogr. 71(2-4): 288-313. hdl.handle.net/10.1016/j.pocean.2006.09.010
In: Progress in Oceanography. Pergamon: Oxford,New York,. ISSN 0079-6611, more
Peer reviewed article  

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Keywords
Author keywords
    Kara Sea; Pelagic ecosystem; Bacteria; Phytoplankton; Zooplankton; Carbon flux

Authors  Top | Dataset 
  • Hirche, H.-J.
  • Kosobokova, K.N.
  • Gaye-Haake, B.
  • Harms, I.
  • Meon, B.
  • Nöthig, E.-M.

Abstract
    After a short introduction to the physical setting and the history of biological research the pelagic ecosystem of the Kara Sea is described. Main emphasis is on regional aspects of the plankton communities and their seasonal dynamics using mostly data collected between 1996 and 2001. In the zooplankton, for which most data were available, four regional aggregations were separated: (1) the rivers and estuaries of the Southern Kara Sea, (2) the south-western and (3) the central Kara Sea, and (4) the northern troughs and slope. The phytoplankton communities had a similar distribution. To provide components for detailed carbon budgets the regional dynamics of bacterial, phytoplankton and zooplankton biomass and production are described and carbon requirements of bacteria and zooplankton are estimated. For completeness a short literature review on higher trophic levels is included. Finally, recent observations of the pelago-benthic coupling are considered. Estimates of the carbon requirements from the plankton and benthos reveal a large underestimation of primary production, which to date, together with seasonal aspects, shows the largest gap in our knowledge.

Dataset
  • Structure and function of contemporary food webs on Arctic shelves: A panarctic comparison. The pelagic system of the Kara Sea- communities and components of carbon flow, more

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