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Number of results: 9
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Abstract

Benthic gastropods (45 taxa) inhabiting 11 coastal areas of South-West Svalbard are listed. The dominant species are indicated; frequency of occurrence of various gastropods in different areas is discussed.
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Abstract

In the bottom fauna of the Van Keulen fiord 53 taxa of invertebrates (51 species) were recorded. Four different bottom types were sampled and the distribution of invertebrates in these bottom types is discussed. The most important components in the benthos of the fiord were Polvchaeta. Crustacea. Bivalvia and Gastropoda (79.2%). From the zoogeographical point of view the Van Keulen fiord should be included into the transient zone, situated at the border of the boreal and arctic zones.
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Abstract

The list of shallow—water molluscs: chitons (2 species), gastropods (33 species) and bivalves (36 species) of Isfjorden is presented. Distribution, frequency and domination structure are discussed and zoogeographical analysis is presented.
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Abstract

The list of 29 gastropod species and 33 species of bivalves occurring in Hornsund Fiord as well as their zoogeographic status are presented. The occurrence and role of Mollusca in particular parts of the fiord are discussed.
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Abstract

The paper describes the communities of laminarians and their macrofauna at the western coasts of Spitsbergen. The following aspects are considered: specific composition of fauna, spatial distribution of animals within the algae, trophic structure of fauna associated with the laminarians. Some zoogeographic remarks are included.
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Abstract

The infauna of the soft bottom of Nottinghambukta was studied quantitatively. The distribution of 5 most abundant species: Liocyma fluctuosa (Bivalvia), Dendrodoa grossularia (Ascidiacea), Priapulus caudatus and Halicryptus spinulosus (Priapulida) and Chone duneri (Polychaeta), in this Arctic estuary has been presented.
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Abstract

Herve Cove, a small, shallow and partly isolated basin, is strongly influenced by glacial freshwater inlfow, bringing significant amount of mineral suspension. Its mean annual content amounted up to 46 mg dm-3. Sea anemone (Edwardsia sp.), bivalves (Yoldia eightsi, Laternula elliptica and Mysella sp.), amphipods (mostly Cheirimedon femoratus) a well as some species of polychaetes constituted almost 95% of zoobenthos biomass and 90% of abundance. Four different assemblages of benthic invertebrates, with total biomass ranging from 0.002 kg m-2 up to 1.7 kg m-2, were distinguished in this relatively small (about 12 ha) area. It seems that the freshwater impact influences the composition of an assemblage occurring close to the edge of a glacier. Relatively rich crustacean fauna was encountered in the shallow part of the cove near its entrance. Almost complete lack of echinoderms in Herve Cove, that are common in the shallow Antarctic sublittoral, should also be noted. Macrozooplankton of Herve Cove was dominated by Copepoda. The most frequent and abundant species were: Oithona similis, Ctenocalanus citer and Metridia gerlachei. Far less numerous Chaetognatha represented by three species, Ostracoda, Polychaeta, Pteropoda and Siphonophora constituted only 2.5% of all planktonie animals collected.
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