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Influence of Metals on the Cyanobacterial Community in a Water Supply System in a Tropical Region
Author(s) -
Baydum Valderice P. A.,
Oliveira Fábio H. P. C.
Publication year - 2017
Publication title -
water environment research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.356
H-Index - 73
eISSN - 1554-7531
pISSN - 1061-4303
DOI - 10.2175/106143016x14609975747324
Subject(s) - barium , manganese , cadmium , environmental chemistry , raw water , chromium , cyanobacteria , environmental science , abiotic component , mineralogy , copper , environmental engineering , chemistry , metallurgy , materials science , ecology , geology , bacteria , biology , paleontology
This work aimed to study the influence of metals on the temporal dynamics of cyanobacteria community in Carpina Dam (7° 53′ 22′' S and 35° 20′ 34′' W). Samples were collected from Raw Water Pumping Station at the Water Treatment Station Feira Nova in the city of Feira Nova (Pernambuco, Brazil), from January 2011 to December 2013. The concentration of metals in water (aluminum, antimony, barium, lead, copper, chromium, cadmium, iron, manganese) was determined by atomic absorption spectroscopy in the laboratory. For the identification and counting of cyanobacteria, an inverted optical microscope and Sedgewick‐Rafter counting chambers were used. Principal Component Analysis (PCA) was used for recognition of cluster patterns between the studied points. There were variations in abiotic and biotic components in the different years of study. The metals iron, aluminum, barium and manganese had the greatest influence on the temporal dynamics of cyanobacteria in the reservoir.