瑠公圳文化資產及復育之生態價值

台灣大學預計要在校園裡打造親水空間，以恢復舊有瑠公圳原有面貌為目標。瑠公圳現況為溪流以水泥封住，上方加蓋建成教學建築。自2001年以來，瑠公圳復原的規劃工作持續進行，然而經濟可行性無法確定。本研究估算瑠公圳文化資產的生態系統服務價值，來評估瑠公圳復原工程是否得到生態經濟的支持。研究採用一個新的工具TESSA進行生態系統服務評估，衡量瑠公圳台大段維持現況與復育整治的凈效益。本研究發現生態復育有助於重新建立或加強生態系統提供的文化效益，其中又以瑠公圳復育後的名勝古蹟效益最高，顯示瑠公圳的貢獻已由送水輸圳逐漸轉為文化資產的歷史意義。最後，瑠公圳文化服務的凈效益為3,560萬元／年，復育工程生態系統服務效益大於成本。以生態經濟學的觀點及生態系統服務評估的結果來看，瑠公圳復育工程應實行。

關鍵字

瑠公圳；復育；生態系統服務；文化資產； TESSA

並列摘要

National Taiwan University is expected to restore Liugongjun for creating space of water access on the campus. Current status of Liugongjun is sealed with cement and built for architecture. Since 2001, Liugongjun restoration program has been discussed consistently; however, its economic feasibility is unanswered. This study estimated ecosystem services value of Liugongjun cultural assets to assess whether Liugongjun restoration program is supported in the aspect of ecological economics. We use a new tool TESSA for conducting net benefits of ecosystem services assessment under scenarios of current state and alternative state of Liugongjun in the section of National Taiwan University campus. We concluded that ecological restoration contributes to re-establish or strengthen cultural ecosystem services. Our survey shows ecosystem service of cultural heritage has the highest benefits, which reveals gradually turning function from water supply to historical significance of Liugongjun assets. Last but not least, net benefit of cultural services in Liugongjun restoration is 3,560 million per year, which is higher than costs for construction. From the perspectives of ecological economics and ecosystem services assessment, Liugongjun restoration program is possibly performed.

並列關鍵字

liugongjun ； restoration ； ecosystem services ； cultural assets ； TESSA

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瑠公圳文化資產及復育之生態價值

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