During February 1992 -October 1993 three research curises were carried out in the eastern part of the Mediterranean. More than 200 quantitative samples of bottom fauna were collected by the grabb at the depths from 8 to 1200 m on the shelf of Syria (Figure 1), up to 6 grabbs at each station [7]. Basing on density and biomass., we calculated the values of a specific metabolic activity as a measure of species abundance [6].
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