Assessing Soil Degradation in Relation to Metal Pollution – A Multivariate Approach

Goluia, Debasis and Datta, S P and Dwivedi, B S and Meena, M C and Varghese, Eldho and Sanyal, S K and Ray, P and Shukla, A K and Trivedi, V K (2019) Assessing Soil Degradation in Relation to Metal Pollution – A Multivariate Approach. Soil and Sediment Contamination, 28 (7). pp. 1-21.

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    Abstract

    Soil degradation due to elevated levels of metals is considered as a potent threat to soil quality and human health. Present investigation was carried out to develop a protocol for assessing degree of soil degradation in relation to metal accumulation due to long-term use of waste water and municipal solid-waste. For this purpose, surface soil samples having a long-history of receiving industrial-effluents, sewage, polluted river-water and municipal solid-waste were collected. Computation of conventional metal accumulation indices indicated metal-specific differential soil pollution at different sites. Multivariate analysis considering important physicochemical properties and ethylenediamine triacetic acid (EDTA)-extractable metal content of soil revealed more comprehensive status of soil-degradation due to metal accumulation. Results indicated that soils irrigated with cycle-factory effluent (soil quality index, SQI 0.42) were the most degraded and soils irrigated with polluted river-water (SQI 0.94) were the least degraded due to metal pollution. Hierarchical clustering suggests that quality of tube-well, river and sewage-effluent irrigated soils are almost similar, which differs significantly from other soils receiving industrial-effluents and solid-waste.

    Item Type: Article
    Uncontrolled Keywords: Soil degradation; waste water and solidmetal pollution; assessment protocol; soil quality index
    Divisions: CMFRI-Kochi > Marine Capture > Fishery Resource Assessment
    Subject Area > CMFRI > CMFRI-Kochi > Marine Capture > Fishery Resource Assessment
    CMFRI-Kochi > Marine Capture > Fishery Resource Assessment
    Subject Area > CMFRI-Kochi > Marine Capture > Fishery Resource Assessment
    Depositing User: Arun Surendran
    Date Deposited: 06 Feb 2021 08:32
    Last Modified: 06 Feb 2021 08:32
    URI: http://eprints.cmfri.org.in/id/eprint/14847

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