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Dynamic of Methane and CO2 Fluxes From Sago Palm (Metroxylon Sagu Rottb.) Plantation
in Papua Peatland, Indonesia (Dinamika Fluks Metana dan CO2 dari Perkebunan Sagu
(Metroxylon Sagu Rottb.) di Lahan Gambut Papua, Indonesia))

Anggri Hervania, Randy Sanjaya, A. Wihardjaka, Prihasto Setyanto, Maswar

Abstract. Peatland use for sago palm plantation can emit greenhouse gases (CH4, CO2, N2O) to the atmosphere.The aims of the study was to determine the flux dynamics  of CH4 and CO2 in sago palm.The study on  the dynamic of methane (CH4) and carbondioxide (CO2) fluxes from sago palm plantation in Papua peat land was conducted using a closed chamber technique. Fluxes of CH4 and CO2 were measured every three months, beginning on April 2013 until March 2014.Results, showed annual CO2 emissions at 34,88 tCO2-e ha-1 yr-1 and CH4 emissions at 9,96 t CO2-e ha-1 yr-1. Temporal variation of the measured CO2 was very high suggesting the need for a higher frequency measurement. CO2 and CH4 fluxes were neither influenced by  carbon stock nor  peat thickness.

Keywords: Closed chamber, sago, emission, methane, carbondioxide, peat land.

(Diterbitkan pada Prosiding Seminar Nasional Pengelolaan Berkelanjutan Lahan Gambut Terdegradasi untuk Mitigasi Emisi GRK dan Peningkatan Nilai Ekonomi. Jakarta, 18-19 Agustus 2014. Hal. 205-213. Badan Penelitian dan Pengembangan Pertanian. Kementerian Pertanian. 2014. Penyunting: A. Wihardjaka et al.).

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