Peer review declaration

All papers published in this volume of IOP Conference Series: Earth and Environmental Science has been peer reviewed through processes administered by the Editors. Reviews were conducted by expert referees to the professional and scientific standards expected of a proceedings journal published by IOP Publishing. • Type of peer review: Double-blind • Conference submission management system: email address used for the management system is isfm.faperika@ict.unri.ac.id. • Number of submissions received: 98 • Number of submissions sent for review: 60 • Number of submissions accepted: 57 • Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100): 58.16 • Average number of reviews per paper: 3 • Total number of reviewers involved: 7 • Any additional info on review process: A Review criterion follows 3 main components, namely: (1) paper should be related with the theme of conference; (2) clearly research background, method, and result. (3) The manuscript is written according to IOP template. • Contact person for queries: Dian Iriani Faculty of Fisheries and Marine Science Universitas Riau, Email: dian.iriani@lecturer.unri.ac.id