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Seasonal variations in physico-chemical parameters and heavy metals in water and sediments of Uppanar estuary, Nagapattinam, India.
J Environ Biol ; 2010 Sept; 31(5): 681-686
Artigo em Inglês | IMSEAR | ID: sea-146480
ABSTRACT
The present study was carried out to determine the physico-chemical characteristics and heavy metals in water and sediments in Uppanar Estuary, Nagapattinam, Southeast coast of India during January to December 2007. The minimum and maximum values of atmospheric and surface water temperatures (oC), salinity (‰), pH and dissolved oxygen (ml l-1) were 26.0-35.0; 25.0-33.5; 8.0-35.0; 7.2- 8.2 and 2.8-5.5 respectively. The ranges of nitrate, nitrite, phosphate and silicate were 7.05-24.23; 0.82-3.15; 0.31-2.18 and 40.0-198.0 (5M) respectively. The ranges of heavy metals in water (5g 1-1) and sediment (5g g-1) copper, zinc, cadmium and mercury were 2.45-18.25; 26.43-101.24; 1.23-24.35 and 0.01-0.22 and 5.02-81.27; 22.47-75.42; 2.25-10.06 and 0.01-0.16 respectively.

Texto completo: DisponíveL Índice: IMSEAR (Sudeste Asiático) Idioma: Inglês Revista: J Environ Biol Ano de publicação: 2010 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: IMSEAR (Sudeste Asiático) Idioma: Inglês Revista: J Environ Biol Ano de publicação: 2010 Tipo de documento: Artigo