New Partnership Aims to Revive the 'Sea Forest' in Osaka Bay

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Hannan City in Osaka Prefecture and Kansai Airports, the operator of Kansai International Airport (KIX), have announced collaboration on a project to preserve and revitalize the remaining "sea forest" in Osaka Bay. Both parties, who have been involved in efforts to preserve seaweed beds to date, hope to achieve carbon neutrality in the environmental improvement efforts.

Land reclamation along the coast of Osaka Bay progressed alongside industrialization during Japan's period of rapid economic growth. Consequently, the bay saw a decrease in shallow waters such as natural beaches, seaweed beds, and tidal flats that nurture seaweed and aquatic life.

City to Conserve Sea Forest

Hannan City is home to thriving eelgrass beds that are the largest in Osaka Prefecture. The city hosted the National Eelgrass Summit 2018 and has poured much effort into marine environmental conservation and related educational programs for children.

The Kansai International Airport, built five kilometers offshore of the Senshu area of Osaka Prefecture, has a gently sloping stone seawall surrounding it. The seaweed beds on this wall now account for roughly 20% of seaweed beds in Osaka Bay. This rich underwater forest was certified under the J Blue Credit System in late 2022 for its absorption of CO2.

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(Read the article in Japanese.)

Author: The Sankei Shimbun

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