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Monday, May 4, 2020 | History

2 edition of Zooplankton in relation to hydrography in the Norwegian Sea. found in the catalog.

Zooplankton in relation to hydrography in the Norwegian Sea.

Kristian Fredrik Wiborg

Zooplankton in relation to hydrography in the Norwegian Sea.

by Kristian Fredrik Wiborg

  • 120 Want to read
  • 10 Currently reading

Published by J. Griegs boktr. in Bergen .
Written in English

    Places:
  • Norwegian Sea.
    • Subjects:
    • Zooplankton -- Norwegian Sea.

    • Edition Notes

      Includes bibliography.

      SeriesFiskeridirektoratets skrifter., vol. 11, no. 4
      Classifications
      LC ClassificationsQL128 .W5
      The Physical Object
      Pagination66 p.
      Number of Pages66
      ID Numbers
      Open LibraryOL6208520M
      LC Control Number56030814
      OCLC/WorldCa28699876

      Report on the joint investigations by Iceland, Norway and U.S.S.R. on the distribution of herring in relation to hydrography and plankton in the Norwegian Sea May/June Author: ICES.   Periodic changes in the zooplankton of the North Sea during the twentieth century linked to oceanic inflow. Philip C. Reid. Distinct plankton periods that appear to reflect changing inflow events are discussed in relation to hydrometeorological and earlier plankton studies over approximately the last by:

      The Norwegian Sea (Norwegian: Norskehavet) is a marginal sea in the Arctic Ocean, northwest of Norway between the North Sea and the Greenland Sea, adjoining the Barents Sea to the northeast. In the southwest, it is separated from the Atlantic Ocean by a submarine ridge running between Iceland and the Faroe the north, the Jan Mayen Ridge separates it from the Greenland e depth: 2, m (6, ft). A large-scale regional and seasonal zooplankton investigation was carried out in the Greenland Sea covering the entire water column down to m depth. It focussed on the cornposition and vertical distribution of zooplankton in relation to the hydrographic .

      (since ) on hydrography, phytoplankton production and zooplankton biomass are available from these transects, and to which the TASC-data can be compared. Sampling gear: Hydrography: Seabird Electronics SBE-9 CTD. Phytoplankton: Sea-Tech Fluorometer, Transmissiometer, standard C incubations Zooplankton: BIONESS multiple net sampling . Zooplankton in relation to cyanobacteria across a geographic gradient in Archipelago Sea, northern Baltic Lasse Ruokolainen1)a, Thomas M. Lilley1)b, Milja Tammi1)c and Ilppo Vuorinen2) 1)Department of Biology, Section of Ecology, FI University of Turku, Finland (e-mails: [email protected], @utu.fi, @utu.fi)Cited by:


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Zooplankton in relation to hydrography in the Norwegian Sea by Kristian Fredrik Wiborg Download PDF EPUB FB2

A study was made of the distribution of zooplankton organisms in the Norwegian Sea during May-August It is based on plankton collected in vertical Nansen net hauls in the upper m.

Samples taken by the Norwegian weatherships at station M during were used as a by: The most common zooplankton species in the Northern Norwegian shelf area and fjords is the calanoid copepod Calanus finmarchicus (Wiborg, ). This is also a key species in the pelagic ecosystem of the North Atlantic, serving as an energy link between primary production and fish populations during spring (Skjoldal and Rey, ).Cited by: zooplankton was collccted at 12 1 stations in the Norwegian Sea (Fig.

Vertical hauls were made from 50 to O m and from to O m. Most of the material was obtained with a Nansen-net (diameter 72 cm and silk No.

8), but in areas with great amounts of phytoplankton a similar net witli a coarser silk (No. 0) was used. Commercial Exploitation of Zooplankton in the Norwegian Sea. By Eduardo Grimaldo and Svein Helge Gjøsund. Submitted: May 18th Reviewed: October 13th Published: April 27th DOI: /Cited by: 3.

Calanus finmarchicus is an important zooplankton species in the Norwegian Sea, as a dominant food organism for pelagic fish larvae, and a potentially large source of.

Hydrography, Zooplankton, and Ichthyoplankton Much of the oceanographic data shown in this report came from sampling along the Newport Hydrographic Line (Figure HZI).

We sample the coastal waters off Newport at biweekly intervals during the upwelling season in spring, summer, and fall. Diets of Norwegian spring-spawning herring, mackerel, and blue whiting in the Norwegian Sea are investigated in relation to the distribution of plankton and hydrographic conditions.

Fish stomachs and zooplankton samples were collected during summer (June and July) cruises in and Cited by: During winter andzooplankton and hydrographic data were collected in the northern parts of the Norwegian Sea (68?72° N, 8?17° E) west of the Norwegian shelf break at depths down to.

and biomass of zooplankton) of the Norwegian Sea, Barents Sea and adjacent waters in spring hydrographic and zooplankton conditions for ecological considerations and behaviour in relation to the physical and biological environment (Table ).

Based on anFile Size: 9MB. in relation to water masses and phytoplankton in the southern Norwegian Sea Eilif Gaard and Karina Nattestad ABSTRACT In the southern Norwegian Sea, two different water masses dominate in the upper layers: cold water from the East Icelandic Current in the western part and warmer Atlantic water in the eastern and southernmost part.

important component of the North Sea food web, channelling energy from primary production to harvestable fish resources, and is therefore an indicator of the state of the marine food web. During the s the biomass of Calanus in summer constituted up to 70% of all zooplankton in the northern North Sea, but since then its.

tribution of copepods and fish larvae in relation to hydrographic conditions in the northern Taiwan Strait during summer as the prevailing southwestern monsoon drives the surface warm water from the South China Sea into the Strait and causes subsurface water upwelling in the west.

Cluster analysis based on copepod and fish larvae assemblages. The relationship between the distribution of zooplankton, especially euphausiids (Euphausia and Thysanoessa spp.), and hydrographic regimes of the Western Antarctic Peninsula continental shelf in and around Marguerite Bay was studied as part of the Southern Ocean GLOBEC by:   Interannual changes in zooplankton on the West Spitsbergen Shelf in relation to hydrography and their consequences for the diet of planktivorous seabirds.

– ICES Journal of Marine Science, –Cited by:   Zooplankton in Kongsfjorden, Svalbard, is shaped by irregular advection of seawater from the West Spitsbergen Current as well as input of freshwater of glacial and riverine origin.

The zooplankton community reflects contributions of Arctic vs. Atlantic water masses in the fjord, and is changing with increasing temperature and declining sea by: 3.

The Planning Group on Surveys on Pelagic Fish in the Norwegian Sea [PGSPFN] (Chair: Dr J.C. Holst, Norway) will meet in Torshavn, Faroes from 16–18August to: a) consider the migration pattern of the Norwegian spring-spawning herring stock in ; b) consider major hydrographic and zooplanktonic developments since last year.

In andthe MMBI conducted two scientific cruises ( samples total) in the southwestern Kara Sea. Information on zooplankton biomass distribution became available. Zooplankton biomass distribution was considered as a function of water column hydrological structure. in the Vizhinjam Bay and the adjacent open sea were studied for two years from February to January in relation to the hydrography and the pelagic fisheries of the region.

Copepods formed the major component of the zooplankton community for the greater part of the year. ICES AdviceBook 3 1 3 THE BARENTS SEA AND THE NORWEGIAN SEA Barents Sea Ecosystem components General geography The Barents Sea is a shelf area of approximately million km2, which borders to the Norwegian Sea in the west and the Arctic Ocean in the north, and is part of the continental shelf area surrounding the Arctic Size: 3MB.

Distribution, migration and abundance of Norwegian spring spawning herring in relation to the temperature and zooplankton biomass in the Norwegian Sea as recorded by coordinated surveys in spring and summer – Sarsia Bergen.

ISSN The distribution and migration of Norwegian spring spawning herring (Clupea harengus) in. Seasonal development of Calanus finmarchicus was studied in relation to the physical environment and phytoplankton bloom dynamics in the Norwegian Sea during eight basin-scale surveys from March to August Our main objective was to gain new knowledge about the life cycle of C.

finmarchicus and its adaptation to the physical and.During winter andzooplankton and hydrographic data were collected in the northern parts of the Norwegian Sea (68–72 N, 8–17 E) west of the Norwegian shelf break at depths down to m.

The results cover both inter and intra annual changes of hydrography and distribu-tion of Calanus spp. For the whole survey area, average sea.Abstract. The exchange of the copepod Calanus finmarchicus between the Vestfjord and the Norwegian coastal current was studied by net sampling and hydrography.

The species was probably recruited to wintering habitats in the Vestfjord from reproduction habitats in the frontal zone of the Norwegian coastal by: