藻場回復活動の持続に何か必要か? : 人づくり,技づくり,流れづくり(平成21年度日本水産工学会秋季シンポジウム「持続的な磯焼け対策の実践に向けて」)

概要

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In Japan, publish of 'Isoyake Taisaku guideline' (Fisheries Agency 2007) broke through the blocked status in seaweed restoration on the deforested areas. The guideline introduced the adaptive management and collaboration among fishermen, administrative, researcher and citizen, and strongly recommended flexible soft techniques instead of irretrievable hard techniques such as stone piling and deployment of concrete blocks. In a subsequent project (2007-2009), policy and contents of the guideline were popularized by lectures in >50 local meetings and restoration of seaweed beds were practiced in model areas. Introduction of a chief supporter (organizer, specialist, diving instructor, etc.) resulted in the successful recovery of algal communities in several urchin barrens. For administrative and researchers new to seaweed bed management, a training course was held once a year. Besides, official annual meeting is also held to share information on current status of isoyake, restoration and monitoring techniques. As sustainable practices are needed for the maintenance and extension of restored seaweed beds, education and increase of participants, improvement of skills and functioned flow are needed.
2011-07-15