Jaison, C A; Dr.Sivanandan, Achari V(Cochin University of Science And Technology, October , 2012)
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Abstract:
Everywhere, on the coastal belt it is proved without doubt that the pristine ground
water quality was severely deteriorated after the 26 December 2004 Indian Ocean
Tsunami. But how far is more relevant, as it is decided by the so-called pre-tsunamic
situation of the region. In water quality studies it is this reference finger print which
earmarks regional ground water chemistry based on which the monthly variability
could rationally be interpreted. This Ph D thesis comprises the testing and evaluation of the facts: whether there is any significant difference in the water quality parameters under study between stations
and between months in Tsunami Affected Dug Wells (TADW). Whether the selected
water quality parameters vary significantly from BIS and WHO standards. Whether
the water quality index (WQI) differ significantly between Tsunami Affected Dug
Wells (TADW) and Bore Wells (BW). Whether there is any significant difference in
the water quality parameters during December 2005 and December 2008. Is there any
significant change in the Water Quality Parameters before 2001 and after tsunami
(2005) in TADW.
Description:
School of Environmental Studies, Cochin University of Science and Technology
Haseeb, M; Dr.Bright Singh,I S(Cochin University Of Science And Technology, November , 2012)
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Abstract:
Aquaculture is one of the fastest growing food sectors in the world.
Amongst the various branches of aquaculture, shrimp culture has expanded
rapidly across the globe because of its faster growth rate, short culture period,
high export value and demand in the International market. Indian shrimp
farming has experienced phenomenal development over the decades due to its
excellent commercial viability. Farmers have adopted a number of innovative
technologies to improve the production and to maximize the returns per unit
area. The culture methods adopted can be classified in to extensive, modified
extensive and semi intensive based on the management strategies adopted in
terms of pond size, stocking density, feeding and environmental control. In all
these systems water exchanges through the natural tidal effects, or pump fed
either from creek or from estuaries is a common practice. In all the cases, the
systems are prone to epizootics due to the pathogen introduction through the
incoming water, either brought by vectors, reservoir hosts, infected tissue
debris and free pathogens themselves. In this scenario, measures to prevent the
introduction of pathogen have become a necessity to protect the crop from the
onslaught of diseases as well as to prevent the discharge of waste water in to
the culture environment.The present thesis deals with Standardization of bioremediation technology for zero water exchange shrimp culture system
Description:
School of Environmental Studies,Cochin University of Science and Technology