Polychaetes from the Guarajuba coral reefs, Bahia, Brazil (original) (raw)

Bulletin of Marine Science, 2000

Abstract

Composition, distribution and feeding groups of polychaetes from the coral reefs of Guarajuba beach (Eastern Brazil) were examined to investigate their relationship with the present condition of the reefs. The organisms were randomly sampled from three zones: (1) the landward border of the top of an emergent reef (landward emergent reef -LER); (2) the seaward border of the same reef top (seaward emergent reef-SER); (3) the top of a submerged reef at 5 to 6 m depth (submerged reef-SR). Fifteen replicates of reef blocks (average 680 cm 3 sample size) were collected from each zone, twice a year, making a total number of 90 samples. A total of 1754 individuals comprising 40 species were found. LER samples contained 405 individuals represented by 17 species. Perinereis elenacasoae was the dominant species (58%). SER samples consisted of 1184 specimens, and Eunice wasinensis (73%) was the most abundant of the 30 recorded species. The SR samples contained 165 individuals represented by 22 ...

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