Ecological Network Indicators of Ecosystem Status and Change in the Baltic Sea Tomczak, Maciej T. ; Heymans, Johanna J. ; Yletyinen, Johanna ; Niiranen, Susa ; Otto, Saskia A. ; Blenckner, Thorsten Abstract Publication: PLoS ONE Pub Date: October 2013 DOI: 10.1371/journal.pone.0075439 Bibcode: 2013PLoSO...875439T