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Structure and dynamics of phytoplankton community in the Botafogo reservoir-Pernambuco-Brazil BABT
Lira,Giulliari Alan da Silva Tavares de; Bittencourt-Oliveira,Maria do Carmo; Moura,Ariadne do Nascimento.
The aim of the present study was to investigate the structure and dynamics of the phytoplankton in the Botafogo reservoir-PE-Brazil. Phytoplankton assemblages were identified from current literature and density was estimated using an inverted microscope. Concurrently to the sampling of biotic variables, measurements of abiotic parameters, such as water temperature, dissolved oxygen and pH, were determined using field probes and transparency was determined with a Secchi disk. Total phosphorus and total nitrogen concentrations were determined in laboratory. A total of 24 taxa were identified. Chlorophyta presented the greatest number of species. Species diversity in the reservoir was low throughout the study period. Principal component analysis revealed that...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Structure; Tropical reservoir; Phytoplankton; Brazil.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000200029
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