Community Structure and Fish Diversity in Some Mangrove Ecosystems with Varying Levels of Naturalness and Human Activity on Bawean Island, East Java, IndonesiaCatur Retnaningdyah, Endang Arisoesilaningsih, Viky Vidayanti, Qathrunnada Salsabila and Purnomo PurnomoBIO Web Conf., 91 (2024) 01009DOI: https://doi.org/10.1051/bioconf/20249101009