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Monograph on Essentials in Limnology and GIS

Ramachandra, TV and Ahalya, N (2001) Monograph on Essentials in Limnology and GIS. Karnataka Environment Research Foundation, Bangalore.

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Official URL: http://www.ces.iisc.ernet.in/energy/finance/New/us...

Abstract

Aquatic ecosystems are dynamic and depend on various interdependent and inter-related factors that are vital for their existence and in maintaining the ecological balance. Various anthropogenic activities have impaired ecological conditions in many ecosystems. This monograph gives an account of the essentials in limnology, which helps in understanding the nature and extent of the problems and also provides an insight into the use of Geographic Information System as an effective tool for resource inventorying, monitoring and management. The monograph consists of four chapters, and the first one gives an overall view of the inland aquatic bodies as complex ecological systems. It begins with the formation of lakes, and the various physical, chemical and biological factors that determine these ecosystems. The physical factors covered include morphometry, density, light, etc., and the lake chemistry determined by various anions and cations are discussed in detail. The biological parameters include phytoplankton, zooplankton, waterfowl and fish communities that play an important role in freshwater biodiversity, and are presented with diagrams for easy understanding. The monograph gives an in depth view of the lake zones, productivity, and seasonal changes in the lake community with various energy relationships. The concept of food chain and food web in an aquatic ecosystem is also presented with illustrations. Lastly, the various anthropogenic activities that have deteriorated the quality of water are listed with the restoration strategies.

Item Type: Book
Department/Centre: Division of Biological Sciences > Centre for Ecological Sciences
Date Deposited: 23 Feb 2012 11:53
Last Modified: 23 Feb 2012 11:53
URI: http://eprints.iisc.ernet.in/id/eprint/43660

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