Zonation and Associations of Dominant Fish Fauna on Flemish Cap
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Data were obtained from 682 demersal trawls made between 126 and 738 m depths on Flemish Cap in summer during the European Union research surveys in the years 1989–94. Despite the fact that the depth range for all species was not completely covered, analysis of different deep distributions of the 25 most representative species showed that the fauna are zoned with depth. Three faunal assemblages with characteristic catch rates, diversity and dominant species were found on the shelf (126–300 m), upper continental slope (300– 600 m) and middle continental slope (>600 m). Catch rates were greatest on the shelf and upper continental slope, while diversity was greatest on the middle continental slope. Dominance of the commercial species Atlantic cod (Gadus morhua), golden redfish (Sebastes marinus) and American plaice (Hippoglossoides platessoides) on the shelf, beaked redfish (Sebastes mentella) and Labrador redfish (Sebastes fasciatus) on upper continental slope, and Greenland ...
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