Conservation slows down emission increase from a tropical peatland in Indonesia

Chandra S. Deshmukh*, Dony Julius, Ankur R. Desai, Adibtya Asyhari, Susan E. Page, Nardi Nardi, Ari P. Susanto, Nurholis Nurholis, M. Hendrizal, Sofyan Kurnianto, Yogi Suardiwerianto, Yuandanis W. Salam, Fahmuddin Agus, Dwi Astiani, Supiandi Sabiham, Vincent Gauci, Chris D. Evans

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

Tropical peatlands are threatened by climate change and land-use changes, but there remain substantial uncertainties about their present and future role in the global carbon cycle due to limited measurements. Here, we present measurements of carbon dioxide and methane emissions between mid-2017 and mid-2020 as well as nitrous oxide emissions between 2019 and 2020 at two contrasting sites at a coastal peatland in Sumatra, Indonesia. We find that greenhouse-gas emissions from intact peatland increased substantially due to an extreme drought caused by a positive Indian Ocean Dipole phase combined with El Niño. The emission in the degraded site was two times greater than that at the intact site. The smaller emission from the intact peatland suggests that protecting the remaining intact tropical peatlands from degradation offers important climate benefits, avoiding greenhouse-gas emissions of 24 ± 5 tCO2e ha−1 yr−1 (average ± standard deviation) at our study site in Indonesia.

Original languageEnglish
Pages (from-to)484-490
Number of pages7
JournalNature Geoscience
Volume14
Issue number7
DOIs
Publication statusPublished - 5 Jul 2021

Bibliographical note

Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer Nature Limited.

ASJC Scopus subject areas

  • General Earth and Planetary Sciences

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