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Demersal communities off the west coast of South Africa

AuthorsRoel, Beatriz
Issue Date1987
PublisherNational Inquiry Services Centre (South Africa)
CitationSouth African Journal of Marine Science 5(1): 575-584 (1987)
AbstractTo describe demersal communities off the west coast of South Africa, collections of all species of fish, cephalopods and crustaceans made during four cruises in the area during January and July have been analysed. Hierarchical classification methods were employed to determine species and sample associations. The results showed that the species could be split into two main groups, the first containing Merluccius paradoxus (the dominant species both in abundance and frequency of occurrence) and other species normally found in deep (> 380 m) water. The second group is represented by species that live on the continental shelf, M. capensis being the most abundant. The boundary separating the deep-sea community from that of the shelf follows approximately the 385-m isobath. Seasonal variations in the number of main associations as well as in their spatial location are documented
Description10 pages, 6 figures, 2 tables
Publisher version (URL)https://doi.org/10.2989/025776187784522135
Appears in Collections:(ICM) Artículos
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