Abstract:
:Sundarban along with its networks of rivers, creeks and magnificent mangroves form a unique ecosystem. Acid sulphate soils have developed in this ecosystem under anoxic reducing conditions. In the present study, we have investigated the distribution of acid sulphate soils along with its elemental characterization and possible sources in four reclaimed islands of Indian Sundarban like Maushuni (I1), Canning (I2), Bally (I3) and Kumirmari (I4). Elements show moderate to strong correlation with each other (P < 0.01; P < 0.05). Except Si, Ca and Pb, a higher enrichment factor was observed for K, Cr, Mn, Fe, Ni, Cu and Zn. Geo-accumulation index values of all sampling locations reveal that Cr, Fe, Cu and Zn are in Igeo class 1. The pollution load index value of the reclaimed islands of Indian Sundarban varies between 1.31 and 1.48. The observation of this study could help to strategize policies to mitigate and manage acid sulphate soils in Indian Sundarban.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
Ghosh S,Bakshi M,Mitra S,Mahanty S,Ram SS,Banerjee S,Chakraborty A,Sudarshan M,Bhattacharyya S,Chaudhuri Pdoi
10.1016/j.marpolbul.2018.11.057subject
Has Abstractpub_date
2019-01-01 00:00:00pages
501-510eissn
0025-326Xissn
1879-3363pii
S0025-326X(18)30841-5journal_volume
138pub_type
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