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Seasonal variation in the copepod community structure from a tropical Amazon estuary, Northern Brazil Anais da ABC (AABC)
Magalhães,André; Leite,Natália da R.; Silva,João G.S.; Pereira,Luci C.C.; Costa,Rauquírio M. da.
The main purpose of this study was to investigate the seasonal variation of copepod community structure during the months of July, September and November 2003 (dry season) and January, March and May 2004 (rainy season) in the Curuçá estuary, northern Brazil. Samples were collected during neap tides via gentle 200µm mesh net tows from a small powerboat. Measurements of surface water conductivity were accomplished in situ using an electronic conductivimeter and salinity was later obtained through the transformation of the conductivity values. Salinity varied seasonally from 7.2 ± 0.1 to 39.2 ± 1.8 (mean ± standard deviation) and was influenced mainly by differences in the amount of rainfall between the studied sampling seasons. In total, 30 Copepoda taxa...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Copepod; Salinity; Ecological indexes; Seasonal changes; Brazil.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652009000200005
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