Cost Optimal Joint Management of Interdependent Resources: Groundwater vs. Kiawe (Prosopis pallida)

Kimberly Burnett (), James Roumasset and Christopher Wada

No 2014-6, Working Papers from University of Hawaii Economic Research Organization, University of Hawaii at Manoa

Abstract: Local and global changes continue to influence interactions between groundwater and terrestrial ecosystems. Changes in precipitation, surface water, and land cover can affect the water balance of a given watershed, and thus affect both the quantity and quality of freshwater entering the ground. Groundwater management frameworks often abstract from such interactions. However, in some cases, management instruments can be designed to target simultaneously both groundwater and an interdependent resource such as the invasive kiawe tree (Prosopis pallida), which has been shown to reduce groundwater levels. Results from a groundwater-kiawe management model suggest that at the optimum, the resource manager should be indifferent between conserving a unit of groundwater via tree removal or via reduced consumption. The model�s application to the Kona Coast (Hawai�i) showed that kiawe management can generate a large net present value for groundwater users. Additional data will be needed to implement full optimization in the resource system.

Keywords: groundwater; kiawe; Prosopis pallida; renewable resources; resource management; dynamic optimization (search for similar items in EconPapers)
Pages: 24 pages
Date: 2014-05
New Economics Papers: this item is included in nep-env
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Citations: View citations in EconPapers (2)

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