Impact of Mining Activities on Estuarine Hydrological Regime and Benthic Life in Goa, India

Parvez Al-Usmani Sm
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Parvez Al-Usmani Sm: DM’s College and Research Centre, India

Oceanography & Fisheries Open Access Journal, 2018, vol. 8, issue 3, 69-78

Abstract: The open caste mining in Goa for ferromanganese ore has generated a high amount of waste material rich in metal concentration. The discharge of such a great volume of waste is a potential eco-toxicological risk to the water quality and benthic life in several ways. The main objective of this study was to assess and evaluate the impact caused by large scale dumping of mining rejects on the hydrological condition and benthic community matrics. River Mandovi was considered for this study because of the major mining activities and dumping of waste is found in its upper reaches. For comparison, reference stations in Chapora River were selected, where such mining activities are not noticed. Data for macrobenthos and hydrological parameters were collected seasonally during 2010-2011 from three sites along the salinity gradient of both the estuaries. The hydrological parameters of the two estuaries were similar in range and mean but differed in suspended matter and metal (iron and manganese) concentration.

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Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:adp:jofoaj:v:8:y:2018:i:3:p:69-78

DOI: 10.19080/OFOAJ.2018.08.555737

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