Root Biomass Estimation in Natural and Planted MangroveNasir Sudirman, Terry Louise Kepel, Restu Nur Afi Ati, Mariska A. Kusumaningtyas and Hadiwijaya Lesmana SalimE3S Web Conf., 324 (2021) 03014DOI: https://doi.org/10.1051/e3sconf/202132403014