Benthic Macrofaunal Productivity and Diversity of the Red Sea Coast around Tewalit (Massawa)
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Date
1987-06
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Addis Ababa,University
Abstract
The Diversity and Productivity of benthic mac ofauna
around the shallow waters of Tewalit (1assawa ) . ere inves -
ti ated at three sta ions from October 28,1986 to April
14 , 1987 . Eight major groups and SO taxa were encountered .
Polychaetes with 23 taxa were the most diverse group followed
by gastropods with 8 tax a , and crustaceans with 6 taxa .
Physical and chemical paramete~s show no significant
variation and r egulatory effect over the distribution and
abundance of the taxa . The taxa indicate a hirrh species
diversity , biomass diversity and equitability . There is
significant variation in s i milarity indices , but no varl a tion
in species composition among the stations . Productivity
is estimated to be lO . lGg/rn2 . This with mean biomass 6 . g/
m2 resulted in a turnover rate (P:B ratio) of 1 . 5 .
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Keywords
Benthic Macrofaunal Productivity