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George, Kai Horst (2005): Sublittoral and bathyal Harpacticoida (Crustacea: Copepoda) of the Magellan region [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.832411, Supplement to: George, KH (2005): Sublittoral and bathyal Harpacticoida (Crustacea, Copepoda) of the Magellan region. Composition, distribution and species diversity of selected major taxa. Arntz, Wolf E, Lovrich, Gustavo A & Thatje, Sven (eds.) The Magellan-Antarctic connection: links and frontiers at southern high latitudes, Scientia Marina, 69 (Suppl. 2), 147-158, https://doi.org/10.3989/scimar.2005.69s2147

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Published: 2005 (exact date unknown) • DOI registered: 2014-06-05

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Abstract:
Two expeditions, undertaken in 1994 and 1996, provided quantitatively sampled material of sublittoral and bathyal meiobenthos from the Paso Ancho of the Straits of Magellan, the Beagle Channel, and the Patagonian continental slope (Chile). To investigate whether these distinct geographic areas might also be characterised by different harpacticoid assemblages, qualitative and quantitative analyses of Copepoda Harpacticoida were carried out. At supraspecific level 25 harpacticoid families were found, as well as several species that could not yet be assigned to any major harpacticoid taxon. Due to the high amount of collected Harpacticoida, detailed investigations at species level had to be restricted to six taxa, namely the Ancorabolidae, Argestidae, Cletodidae, Diosaccinae, Paramesochridae, and Paranannopinae. The corresponding specimens were assigned to 122 species in 52 genera. More than 80% of them are new to science. Qualitative comparisons of both species composition and species distribution allow the three areas to be distinguished in terms of species richness. However, statistical analyses confirm these results only partly. Similarity analyses applying non-metrical multidimensional scaling, as well as diversity analyses using the rarefaction method, suggest that the observed differences in distribution and diversity patterns are due to small-scale, local conditions, which may overlay possible large-scale ones.
Project(s):
Bentho-Pelagic Processes @ AWI (AWI_BPP)
Coverage:
Median Latitude: -54.414937 * Median Longitude: -68.701944 * South-bound Latitude: -55.480000 * West-bound Longitude: -70.941700 * North-bound Latitude: -53.146700 * East-bound Longitude: -66.075000
Date/Time Start: 1994-10-23T12:26:00 * Date/Time End: 1996-05-18T19:37:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets

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Datasets listed in this publication series

  1. George, KH (2005): (Table 1) Sedimentology on surface samples from the Magellan region. https://doi.org/10.1594/PANGAEA.832408
  2. George, KH (2005): (Table 2) List of Harpacticoida collected in the Magellan region. https://doi.org/10.1594/PANGAEA.832409
  3. George, KH (2005): (Table 4) List individual numbers of Harpacticoida collected in the Magellan region. https://doi.org/10.1594/PANGAEA.832410