Distribution and Condition of Sonneratia caseolaris Mangroves in the Siak River Tidal Area, Pekanbaru CityEfriyeldi Efriyeldi, Aras Mulyadi and Mubarak MubarakBIO Web Conf., 136 (2024) 04008DOI: https://doi.org/10.1051/bioconf/202413604008