Pollution Research Paper

Vol. 36, Issue 4, 2017; Page No.(943-948)

EFFECT OF HEAVY METAL POLLUTION ON MANGROVE(AVICENNIA MARINA) CARBON SEQUESTRATION ATMITHI RIVER

PRAVIN S. SHINDE AND SNEHAL S. DONDE

Abstract

Mithi river originates from streams and spillway discharges of Tulsi, Vihar and Powai Lakes. Ittravels from different kinds of residential and industrial areas and finally meets the Arabian seaat Mahim creek. This area is covered with various mangrove species and a fragile ecosystem,among that Avicennia marinais the dominant and covers a maximum area of the sites. This riveris more polluted, but in spite of having intensive anthropogenic pressures Avicennia marinashowsthe greatest adaptation to extremely arid environments (Teas 1979). But, it is surprising to learn thatsuch a natural fighter against pollution is constantly being affected by the rising level of heavymetal pollution. To estimateheavy metals pollution impact on mangrove and its carbonsequestration, the study site sediment and mangrove samples were analysed. Sediment is a naturalsinker of various heavy metals from different pollutions .Subsequently CHNS analyzer was used for the assessment of mangrove carbon sequestration.Finally Pearson correlation method were use to understand heavy metal pollution correlation withcarbon sequestration capacity. Seasonal analysis report shows that, heavy metal concentrationswere highest in post monsoon followed by monsoon and least in pre monsoon season. The otherhand mangrove carbon sequestration results were found in reverse pattern. So study findingproves that Mithi river study site is highly affected by heavy metal pollution and it has shownsignificant correlation with carbon sequestration. As a result mangrove carbon sequestration isseverely affected.

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