AUTHOR=Raykov Violin Stoyanov , Ivanova Petya Pavlova , Turan Cemal , Duzgunes Ertug TITLE=Editorial: Ecosystem Approach to Fisheries in the Mediterranean and Black Seas - Advances in Research and Technologies JOURNAL=Frontiers in Marine Science VOLUME=7 YEAR=2020 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2020.00577 DOI=10.3389/fmars.2020.00577 ISSN=2296-7745