海洋牧場的營造可以修復海洋環境、增加漁業資源，有效改善全球近海漁業資源匱乏的現象。日本、韓國鋼鐵業皆提出海洋牧場營造計畫，並開發轉爐石製成藻礁、魚礁、鐵肥釋放裝置等多種人工礁體，依其功能特性投設於海床上，可成功培植海藻生長以營造海洋牧場。台灣和日韓狀況相似，但仿照日韓作法提出海洋牧場營造計畫，卻遇到公眾對於爐石的海域利用在安全性及其環境之相容性，普遍存在疑慮，未釐清在議題背後權益關係人的相互關係和關注要點，未來推動該議題過程中所面對漁民、居民等之反對聲浪、消費者對漁獲量食用安全之疑慮、及環保團體對此政策推動之不確定性等因素，結果恐造成營造海洋牧場之技術發展、決策規劃之延宕或終止。
本研究透過文獻蒐整和轉爐石於台灣之現況做初步的了解，針對爐石再利用製造魚礁以營造海洋牧場觀點做深入分析與探討，並透過質性研究方法，包括訪談和紮根理論來釐清權益關係人之間發生衝突之原因與背後之關聯性。從結果得知關於推動轉爐石魚礁營造海洋牧場必須要在我國政府投入相當多的科學研究和教育知識推廣達到相當成效後，當然完善的公眾參與是藉由知識普及後具備充足相關知識的公眾，包括公眾知識水平足夠和資料佐證齊備後，使其具備數據資料的公開及完善的公眾參與制度，此為受訪權益關係人認為推動爐石再利用與再製造成其它產品再使用的先決條件，再加上政府明確的腳色定位及委由可信任的第三方認證單位去執行技術檢驗和發證有助於提升公眾的信任感。接續透過量化問卷對於兩居住地區之漁民調查和統計分析，包括漁民對於轉爐石使用上的認知、海洋環境的影響、公共參與對應至政策的支持度，發現地區漁民的直接反應是影響政策推動順利成功的最大因素。
最終彙整質性與量化研究之成果發現在真實世界裡面，現階段民眾對爐石魚礁的不瞭解該如何消彌和深入教育、政策推動吸引民眾的誘因和如何讓民眾民眾協助推動的配套措施，依然還是處於模糊和需啟蒙的狀態，故應以台灣各地漁會當地之漁民和鋼鐵業者配合一起做深入之宣導、說明，使其建立試驗牧場為首要任務，才能夠讓民眾和社會大眾放心。當中的施行細項更有賴長期公眾參與在法令的施行要項、爐石魚礁產品認證、吸引投入該產業漁民的獎勵及協助漁民可以配合施作的配套措施都應該要逐步建置，未來才能夠看到具台灣西海岸具規模爐石魚礁數量以營造海洋牧場的榮景，進一步達成推動循環經濟產業與海洋永續發展目標。

The development of marine ranching can help to restore the marine environment and alleviate the declining offshore fishery resources. When artificial fish reefs utilizing steelmaking slag are deployed on the seabed, they can improve algal growth to create marine ranching for fisheries enhancement. However, the use of slag reefs in the marine environment in Taiwan may draw public concerns about the compatibility of using steel by-products in the marine environment and food safety issues. It is therefore likely that the further use of slag reefs to develop marine ranching may encounter resistance and face uncertainty. In this study, controversial issues related to the application of slag reefs to the development of marine ranching were explored. Qualitative interviews with stakeholders were conducted and their support or opposition for the application of steelmaking slag to the marine environment were discussed. The results of the interviews were analyzed based on grounded theory to establish conceptual models and clarify stakeholders' policy opinions on the marine applications of slag reefs. Furthermore, Questionnaires with statistical analysis and investigation are designed to find out the main point of view from the local fishman in Taiwan. The results can also serve as a policy guideline for the further utilization and management of slag reefs, and may help the government to promote the circular economy and achieve its ultimate goal of sustainable ocean development.

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