European Regional Science Association
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European Regional Science Association
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The abstract for paper number 453:
Katsuhiro Sakurai, Takeshi Mizunoya, University of Tsukuba, Tsukuba, Japan, Riki Morioka, The Science and Technology Promotion Foundation of Ibaraki, Ibaraki, Japan, Yoshiro Higano, University of Tsukuba, Tsukuba, Japan
Estimation of Residents’ Desired Water Quality and Economic Evaluation for Improvement of Water Quality of Lake Kasumigaura
In this study, we try to estimate the physiochemical goals of residents’ desired quality of water in Lake Kasumigaura and present them in chemical symbols of elements. We also investigate residents’ economic evaluation for improvement of the water quality of the lake using contingent valuation method in Ibaraki prefecture. Findings of the survey shows that residents’ willingness to pay is 11,268 per year for improving the water quality from a level of COD 8.0 mg/l (Mean Chemical Oxygen Demand concentration) to 2.0 mg/l, which is suitable for diving or swimming. Residents are willing to pay 7,860 per year for the water quality level of 3.5 mg of COD/l, which is suitable for playing on the shore. They would pay upto 6,240 per year for water with 6.2 mg of COD/l, which is suitable for fishing or for boating in or around the lake. By relating these quantitative analyses, we can obtain actual information regarding the opinions of people living in the watershed as a practical guide to make decision for future policy planning to improve the water quality in the lake.
Unfortunately full paper has not been submitted.