Journal
AGRICULTURAL WATER MANAGEMENT
Volume 145, Issue -, Pages 98-109Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.agwat.2013.12.005
Keywords
Hydro-ecological-economic modelling; Environmental flows; Non-use values; Use and nonuse trade-offs; IBIS Decision Support System; Macquarie Marshes, the Murray Darling; Basin; Australia
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This study provides a method to combine hydro-ecological response model outputs and nonmarket economic values of wetland inundation to estimate a unit price of environmental water. We show how an integrated sodo-economic and hydro-ecological modelling approach may assist policy makers with water allocation decisions across competing uses. The IBIS decision support system incorporates a hydroecological model and is used to estimate the habitat suitability condition of wetland attributes for a given hydrology scenario. Non-use economic values of wetland attributes obtained by non-market valuation studies are then linked to the hydro-ecological model outputs to estimate marginal value of environmental flows. The contribution is to provide a robust, scientifically and economically valid method to estimate the marginal value of environmental water and to quantitatively evaluate the trade-offs involved in water allocation decisions across competing uses for water. (C) 2013 Elsevier B.V. All rights reserved.
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