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Entropy 2010, 12(4), 902-925; doi:10.3390/e12040902

Exergy as a Tool for Ecosystem Health Assessment

Institute of Biology at Irkutsk State University, Irkutsk, 664003, Russia
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Received: 31 December 2009 / Revised: 7 March 2010 / Accepted: 10 March 2010 / Published: 13 April 2010
(This article belongs to the Special Issue Exergy: Analysis and Applications)
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Abstract

Exergy is demonstrated to be a useful measurable parameter reflecting the state of the ecosystem, and allowing estimation of the severity of its anthropogenous damage. Exergy is shown to have advantages such as good theoretical basis in thermodynamics, close relation to information theory, rather high correlation with others ecosystem goal functions and relative ease of computation. Nowadays exergy is often used in ecological assessment. This paper reviews the application of exergy in ecology in the fields of ecological modeling and natural ecosystem monitoring. Special attention is paid to the use of exergy for aquatic ecosystem studies, particularly, assessment of the lake Baikal ecosystem state.
Keywords: exergy; ecosystem health assessment; lake baikal; plankton exergy; ecosystem health assessment; lake baikal; plankton
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Silow, E.A.; Mokry, A.V. Exergy as a Tool for Ecosystem Health Assessment. Entropy 2010, 12, 902-925.

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