The Baltic Health Index (BHI): Assessing the social–ecological status of the Baltic Sea oleh Thorsten Blenckner, Christian Möllmann, Julia Stewart Lowndes, Jennifer R. Griffiths, Eleanore Campbell, Andrea De Cervo, Andrea Belgrano, Christoffer Boström, Vivi Fleming, Melanie Frazier, Stefan Neuenfeldt, Susa Niiranen, Annika Nilsson, Henn Ojaveer, Jens Olsson, Christine S. Palmlöv, Martin Quaas, Wilfried Rickels, Anna Sobek, Markku Viitasalo, Sofia A. Wikström, Benjamin S. Halpern