2011
DOI: 10.1590/s0001-37652011000400018
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Abstract: The present study reports the phytoplankton abundance, dominance and co-existence relationships in the eutrophic Carpina reservoir, Pernambuco, Brazil. Sampling was carried out at six different depths bimonthly at a single reservoir spanning two climatic periods: dry season (January, September, and November 2006) and rainy season (March, May, and July 2006). Density, abundance, dominance, specific diversity and equitability of the community were determined, along with chlorophyll a, and physical and chemical v… Show more

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Cited by 21 publications
(12 citation statements)
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“…In northeastern Brazil, the genus Planktothrix has been found in the states of Maranhão (NOGUEIRA et al, 2005), Rio Grande do Norte (CÂMARA et al, 2007;CHELLAPPA et al, 2009) and Pernambuco (MOURA et al, 2008). In the state of Pernambuco, 39 reservoirs classified as eutrophic have often demonstrated cyanobacterial blooms of Cylindrospermopsis raciborskii (BOUVY et al, 1999(BOUVY et al, , 2000(BOUVY et al, , 2001, Microcystis aeruginosa (CHELLAPPA; COSTA, 2003) and Anabaena spiroides (MOLICA et al, 2005;LIRA et al, 2011).…”
Section: Introductionmentioning
confidence: 99%
“…In northeastern Brazil, the genus Planktothrix has been found in the states of Maranhão (NOGUEIRA et al, 2005), Rio Grande do Norte (CÂMARA et al, 2007;CHELLAPPA et al, 2009) and Pernambuco (MOURA et al, 2008). In the state of Pernambuco, 39 reservoirs classified as eutrophic have often demonstrated cyanobacterial blooms of Cylindrospermopsis raciborskii (BOUVY et al, 1999(BOUVY et al, , 2000(BOUVY et al, , 2001, Microcystis aeruginosa (CHELLAPPA; COSTA, 2003) and Anabaena spiroides (MOLICA et al, 2005;LIRA et al, 2011).…”
Section: Introductionmentioning
confidence: 99%
“…There are frequent reports of cyanobacterial blooms in reservoirs in northeastern Brazil (Bouvy et al, 1999(Bouvy et al, , 2000Chellappa and Costa, 2003;Panosso et al, 2007;Chellappa et al, 2008a;Costa et al, 2006;Bittencourt-Oliveira et al, 2011a;Dantas et al, 2011;Lira et al, 2011;Moura et al, 2011). This country region has relatively uniform seasonal characteristics, such as a dry season (summer), with high temperatures and low rainfall index, and a rainy season (winter), with milder temperatures and a more intense rainfall regime.…”
Section: Introductionmentioning
confidence: 99%
“…Studies carried out thus far have used different working strategies concerning sampling frequency, sites and depth (Bouvy et al, 1999(Bouvy et al, , 2000(Bouvy et al, , 2003Chellappa and Costa, 2003;Chellappa et al, 2008a;Costa et al, 2009;Molisani et al, 2010;Bittencourt-Oliveira et al, 2011a;Dantas et al, 2011;Lira et al, 2011;Moura et al, 2011). Variations observed at short time intervals over 24-hour (nycthemeral) periods may provide important information regarding the behavior of phytoplankton populations throughout the day (Wood et al, 1976).…”
Section: Introductionmentioning
confidence: 99%
“…Cyanophyta, Chlorophyta, and Bacillariophyta were the most important phytoplankton constituents in MSR, which was observed in other trophic reservoirs [7,12]. Both the total phytoplankton and Cyanophyta exhibited larger densities during hypereutrophic period of 2011, and the dominance of cyanobacteria in eutrophic reservoirs has been mentioned in the previous studies [12,44,45], involving the factors to favor cyanobacterial blooms: high nutrient status and high WT [45][46][47].…”
Section: Discussionmentioning
confidence: 80%
“…These changes can reveal important aspects of susceptibilities and tolerances of the species present that form the community, which is fundamental to biological monitoring of the reservoirs. Previous studies on reservoirs have generally dealt with the structural compositions of the phytoplankton community, focusing on the taxonomic surveys and ecological studies [6][7][8]. Diversity and community comparison indices of Shannon-Wiener diversity, Simpson diversity, Pielou's evenness, Stander's similarity index (SIMI), and Margalef's richness have been recognized as useful ways for analyzing phytoplankton structure in different water bodies all over the world [9][10][11][12].…”
Section: Introductionmentioning
confidence: 99%