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Title: Improvement in environmental parameters of a highly polluted Indian harbour
Authors: Pati, S K
Rao, M V
Balaji, M
Keywords: Pollution;Environmental Parameters;Visakhapatnam harbour
Issue Date: Aug-2013
Publisher: NISCAIR-CSIR, India
Abstract: Environmental parameters such as, temperature, salinity, pH, dissolved oxygen (DO), Biological Oxygen Demand (BOD) and nutrients (nitrite, phosphate and silicate) were monitored at three stations (Slipway Complex, Ore Berth and Marine Foreman Jetty) in the highly polluted Visakhapatnam harbour from February 2007 to January 2009. Above parameters varied spatially and temporally in the study region.  Possible causes to such variations were explained.  Results from the study of environmental factor were compared with past 30 years data. Pollution still exists in Visakhapatnam harbour with an increasing gradient from Slipway Complex to Ore Berth to Marine Foreman Jetty. Improvement in environmental parameters was noticed as evidenced from an increase in pH and reduction of BOD as well as eutrophication.
Page(s): 487-497
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.42(4) [August 2013]

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