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Assemblages in a submarine canyon: Influence of depth and time
Sabatini, A.; Follesa, M.C.; Locci, I.; Pendugiu, A.A.; Pesci, P.; Cau, A. (2007). Assemblages in a submarine canyon: Influence of depth and time. Hydrobiologia 580(1): 265-271. https://dx.doi.org/10.1007/s10750-006-0445-0
In: Hydrobiologia. Springer: The Hague. ISSN 0018-8158; e-ISSN 1573-5117, more
Related to:
Sabatini, A.; Follesa, M.C.; Locci, I.; Pendugiu, A.A.; Pesci, P.; Cau, A. (2007). Assemblages in a submarine canyon: Influence of depth and time, in: Relini, G. et al. Biodiversity in enclosed seas and artificial marine habitats: Proceedings of the 39th European Marine Biology Symposium, held in Genoa, Italy, 21-24 July 2004. Developments in Hydrobiology, 193: pp. 265-271. https://dx.doi.org/10.1007/978-1-4020-6156-1_25, more
Peer reviewed article  
Available in  Authors 
Keywords
    Aggregation > Cluster analysis
    Cluster analysis
    Dimensions > Depth
    Information > Information processing > Data analysis > Analysis > Statistical analysis > Cluster analysis
    Topographic features > Submarine features > Submarine canyons
    MED, Italy, Sardinia [Marine Regions]; MED, Mediterranean [Marine Regions]
    Marine/Coastal
Author keywords
    cluster analysis; multidimensional scaling; submarine canyon; fishassemblages; depth; Mediterranean sea
Authors  Top 
  • Sabatini, A.
  • Follesa, M.C.
  • Locci, I.
  • Pendugiu, A.A.
  • Pesci, P.
  • Cau, A.
Abstract
    In this work we have studied the assemblages from Quirra canyon (Sardinia). We analysed data from 25 trawl samples from the canyon, made at different times and depth. A total of 71 demersal species (38 teleosts, 5 cartilaginous fishes, 13 molluscs and 15 crustaceans) were examined. We found four groups using cluster analysis; each group is characterised by a certain depth or time. In particular we have shown that the time of the day appears to have a role in the movement of shrimps and other species. This phenomenon seems to be linked to trophic need and by the consequent different food availability into the Canyon.
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