Research Article Open Access

Accumulation of Heavy Metals in Colachel estuarine sediments, KanyakumariDistrict, Tamil Nadu, India

Abstract

An investigation was carried out to assess the distribution of heavy metals in the Colachel estuary at five stations. Estuary is a transition zone between land and sea as well as fresh water and salt water. Contamination of sediments, water resources and biota by heavy metals are of major concern. These heavy metals are non-degradable and often accumulate through trophic level causing a deleterious biological effect. Heavy metal accumulation in aquatic environment is a cause for concern due to toxicity of metal and their accumulation in aquatic habitats. Among the heavy metals, zinc, copper and chromium concentration is very high. Hence periodical monitoring of the water quality is required to assess the conditions of estuarine water bodies.

V. Mary Kensa

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