COM (2023) 586: Proposal for a COUNCIL DECISION on the position to be taken on behalf of the European Union in the Convention for the Protection of the Marine Environment and the Coastal Region of the Mediterranean (the 'Barcelona Convention') as regards the adoption of a Regional Plan on Agriculture Management, a Regional Plan on Aquaculture Management, a Regional Plan on Urban Stormwater Management, in the framework of Article 15 of the Protocol for the Protection of the Mediterranean Sea against Pollution from Land-Based Sources, and as regards the adoption of amendments to Annexes II and III to the Protocol concerning Special Protected Areas and Biological Diversity