title: Analysis of heavy metals concentration in water and sediment in the Hara biosphere reserve, southern Iran.
abstract: This study determined the concentration of heavy metals (Al, Cr, Cu, and Zn) in water and sediments at nine sites in the Hara biosphere reserve of southern Iran during the summer and winter 2010. Determination of Al, Cr, Cu, and Zn in water was carried out by graphite furnace atomic absorption spectrometer (Shimadzu, AA 610s) and in sediment by flame atomic absorption spectrometer (Perkin Elmer, AA3030). Results showed that the heavy metal concentrations in the water samples decreased in the sequence of Zn > Al > Cu > Cr, while in sediment samples were Cr > Zn > Cu > Al. Data analysis indicated that with the exception of Al, there was a Pearson's correlation coefficient between pH and Cu, Zn, and Cr at α = 0.01, 0.05, and 0.001 in sediment (in winter), respectively. There were also significant differences between heavy metals of Cr, Cu, and Zn during the two seasons (p < 0.001) in the water and sediment.
authors: 1Department of Environmental Sciences, Faculty of Agriculture, University of Birjand, Birjand, Iran.
authors: Mohsen
authors: M
authors: Nowrouzi
authors: Borhan
authors: B
authors: Mansouri
authors: Sahar
authors: S
authors: Nabizadeh
authors: Alireza
authors: A
authors: Pourkhabbaz
mesh_terms: D000704:Analysis of Variance; D005618:Fresh Water / Q000737:chemistry*; D019015:Geologic Sediments / Q000737:chemistry*; D006863:Hydrogen-Ion Concentration; D007492:Iran; D019216:Metals, Heavy / Q000032:analysis*; D014197:Trees; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D019216:Metals, Heavy; D014874:Water Pollutants, Chemical