| cyanobacteria abundance and its relationship to water quality in the mid-cross river floodplain, nigeria. | the physicochemical variables and cyanobacteria of mid-cross river, nigeria, were studied in six stations between march 2005 and august 2006 to determine the relationship between water quality and cyanobacteria abundance. canonical correspondence analysis (cca) showed that biological oxygen demand (bod), dissolved oxygen, ph, water velocity, width and depth were important environmental factors that influenced cyanobacteria abundance. trace metals, phosphate and nitrate increased significantly fr ... | 2009 | 19637686 |