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  • 标题:Socioeconomic Response to Water Quality: a First Experience in Science and Policy Integration for the Izmit Bay Coastal System
  • 本地全文:下载
  • 作者:Leyla Gamze Tolun ; Seyla Ergenekon ; Selda Murat Hocaoglu
  • 期刊名称:Ecology and Society
  • 印刷版ISSN:1708-3087
  • 电子版ISSN:1708-3087
  • 出版年度:2012
  • 卷号:17
  • 期号:3
  • 出版社:The Resilience Alliance
  • 摘要:Deterioration of the Izmit Bay ecosystem, mainly caused by heavy industrialization and urbanization, hassignificantly impaired its beneficial use and resulted in the surrounding coastal zone losing its attractiveness for the inhabitants.An integrated coastal zone management approach has become an important requirement of future development plans to protectthis fragile bay ecosystem. One of the main indicators of deterioration of the Izmit Bay coastal system is the decreasing waterquality resulting from increased nutrient loads from the surrounding land.The consensus during the initial stakeholder meetingconfirmed the widespread awareness of this phenomenon and "improvement of water quality in Izmit Bay" was determined asthe main policy issue at stake. Public perception of and satisfaction with water quality were measured by a willingness to pay(WTP) survey. The WTP for improved water quality was analyzed using the contingent valuation method. According to thequestionnaire survey, 55% of the participants are willing to pay to increase the water quality. Impact of water quality on real-estate values was evaluated by hedonic pricing method, which is suitable for estimating direct and indirect use values of waterresources. These results were used in a simulation model to assess coupled ecosystem, social, and economic system functioningof the Izmit Bay in response to various scenarios, and thus, to permit the necessary actions to be taken proactively. Two scenariosimulations, for which domestic and runoff nitrogen loads are reduced independently, showed that hypothetical domesticwastewater treatment resulted in an improvement in simulated water transparency. The results suggest that domestic wastewatertreatment should be a first priority for local administrations
  • 关键词:integrated coastal zone management; Izmit Bay; stakeholder interaction; socioeconomic analysis; systems approach
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