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Faunal diversity of the benthic amphipods (Crustacea) of the Magellan region as compared to the Antarctic (preliminary results)
De Broyer, C.; Rauschert, M. (1999). Faunal diversity of the benthic amphipods (Crustacea) of the Magellan region as compared to the Antarctic (preliminary results). Sci. Mar. (Barc.) 63(S1): 281-293. https://dx.doi.org/10.3989/scimar.1999.63s1281
In: Scientia Marina (Barcelona). Consejo Superior de Investigaciones Científicas. Institut de Ciènces del Mar: Barcelona. ISSN 0214-8358; e-ISSN 1886-8134, more
Also appears in:
Arntz, W.E.; Ríos, C. (Ed.) (1999). Magellan-Antarctic: Ecosystems that drifted apart. Scientia Marina (Barcelona), 63(Supl. 1). Institut de Ciències del Mar: Barcelona. 518 pp. https://dx.doi.org/10.3989/scimar.1999.63s1, more
Peer reviewed article  
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Keywords
    Aquatic communities > Benthos > Zoobenthos
    Check lists
    Classification > Taxonomy
    Species diversity
    Taxa > Species > New taxa > New species
    Water bodies > Coastal waters > Straits
    Amphipoda [WoRMS]; Caprellidae Leach, 1814 [WoRMS]; Crustacea [WoRMS]; Gammaridea [WoRMS]
    PSW, Antarctica [Marine Regions]; PSW, Chile, Magellan Straits [Marine Regions]
    Marine/Coastal
Author keywords
    biodiversity; Amphipoda; benthos; Magellan region; zoogeography
Authors  Top 
  • De Broyer, C., more
  • Rauschert, M.
Abstract
    To investigate the marine benthic ecosystems of the Magellan region and to compare them with the better known Antarctic systems, three campaigns were recently carried out in this area: the Joint Magellan 'Victor Hensen' Campaign 1994, the 'Polarstern' ANT XIII/4 cruise 1996, and the 'Vidal Gormaz' CIMAR FIORDO II cruise 1996. Numerous and diverse zoobenthos samples were collected mostly with an Agassiz trawl and with a small dredge, an ephibenthic sledge, with baited traps or by diving. All gears together gathered more than 132,000 specimens of gammaridean and caprellidean amphipods. 137 species of gammaridean amphipods have been identified from the material to date. About 20% of these species appear to be new for science. This taxonomic work takes place in the framework of a general revision of the Southern Ocean amphipod fauna undertaken by the 'Antarctic Amphipodologist Network'. A complete list of the benthic species of gammaridean and caprellidean amphipods is presented, including the zoogeographical distribution and the new records. The new abundant material collected, still under study, will allow a comparison of faunal diversity, zoogeographical and ecological traits of the Magellan benthic amphipod taxocoenoses with those of the West and East Antarctic benthos.
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