Suprabenthic community of the Cananeia Lagoon estuarine region, southeastern Brazil
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文摘
The studied area is a lower intertidal mud-flat with a scattered Spartina alterniflora cover. In relation to the total density, Metamysidopsis elongata atlantica dominated the suprabenthos. In relation to the total biomass, fish were dominant, followed by M. elongata atlantica and juveniles of Penaeus schimitti. In this community there was a sequential appearance, with high abundance, then disappearance of temporary suprabenthic species, as well as strong temporal fluctuations of permanent species. Temporal variations in community diversity were greatly influenced by local population dynamics, showing a clear seasonal pattern, negatively linked to peaks of density of dominant species and positively with evenness values.