The nature of carbon flux in various ecosystem types in the Biduk-Biduk Karst Region, Berau District, East KalimantanDanardono Danardono, Eko Haryono and Margareta WidyastutiE3S Web Conf., 76 (2019) 04005DOI: https://doi.org/10.1051/e3sconf/20197604005