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Metals and Metalloids in the Water–Bloom-Forming Cyanobacteria and Ambient Water from Nanquan Coast of Taihu Lake, China


Concentrations of 12 metal(oid)s were investigated in the bloom-forming cyanobacteria and ambient water samples collected monthly between March 2009 and February 2010 at the Nanquan coast of Taihu Lake, China. The metal(oid) concentrations in ambient water decreased in the order Fe > Zn > Ni ≈ As ≈ Cu > Mn > Ag > Cr > Se > Cd > Co > Tl, while those in cyanobacteria followed a sequence Fe > Mn > Zn > Cu ≈ Ni > Co > Ag > Cr ≈ As > Cd > Tl > Se. The metal(loid) burdens removed by cyanobacteria were estimated as 164 t Fe, 12.4 t Mn, 3.6 t Zn, 2.0 t Ni, 2.0 t Cu, 0.5 t As, 0.5 t Cr, 0.4 t Cd, 0.9 t Ag, 1.1 t Co, 0.2 t Tl, and 0.09 t Se during the 2008–2010 bloom seasons.

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This study was supported by the China Central Governmental Research Institutional Basic Special Research Project from Public Welfare Fund (Grant No. 2009JBFB12) and partially supported by the National Natural Science Foundation of China (Grant No. 31072214). We thank greatly William R. Kenan Professor Hans W. Pearl for critically reading and improving this manuscript.

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Correspondence to Jian Yang.

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Su, Y., Liu, H. & Yang, J. Metals and Metalloids in the Water–Bloom-Forming Cyanobacteria and Ambient Water from Nanquan Coast of Taihu Lake, China. Bull Environ Contam Toxicol 89, 439–443 (2012).

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  • Taihu Lake
  • Metal
  • Metalloid
  • Water–bloom-forming cyanobacteria