Abstract
Large-scale, recurrent fires in Indonesia in recent decades have caused widespread deforestation and transformation of peatlands, and have contributed to substantial smoke haze and greenhouse-gas pollution. In some areas, local community use of fire for livelihood needs could be a major factor behind the widespread fires. We assessed fire patterns and their causes from the 1980s to the present in the Middle Mahakam peatlands of East Kalimantan. This was achieved through satellite image and GIS analysis, biological and social field surveys, and rapid rural appraisals in the villages. People living in or using the swamps employ fire annually along the waterways and adjacent open floodplains and forests, in conjunction with fishing, agriculture, and other livelihood activities. Local communities perceive that uncontrolled burning does not affect the fish, which is their economic mainstay. Dry and windy conditions, failure of regular livelihoods, new markets for turtles and tree bark, and easing of government quotas for these resources led to more widespread fires in the El Nino periods of 1982-1983 and 1997-1998. Repeated burning ultimately transforms larger and larger areas of peat forest into open floodplains and shallow lakes. Local communities promote the transformation, believing it enhances fishing conditions. Even if the interior forests were kept fire free for a lengthy period, they would likely not fully recover, but these areas were rendered highly fire prone during the last El Nino event in 1997-1998. Another long drought in the near future, coupled with widespread community burning, could cause more severe, long-lasting damage to the peat forests and contribute substantially to regional smoke haze and greenhouse-gas pollution. This paper discusses the scope for resolving the trade-offs between the communities' perceived benefits of fire use, and national and global environmental concerns arising from peatland burning.
Highlights
Indonesia contains vast peatland areas of around 17–27 million ha, or 53% of the world’s tropical peatlands (Soetjipto et al 1996)
We investigate the patterns of, and underlying forces driving, recent fires in the Middle Mahakam peatlands, in order to understand the nature of the fire problem
Fires in the Middle Mahakam peatlands are human induced for livelihood purposes
Summary
Indonesia contains vast peatland areas of around 17–27 million ha, or 53% of the world’s tropical peatlands (Soetjipto et al 1996). We depict the importance of burning to meet livelihood needs of communities living in or using the inhospitable swamps, and show how uncontrolled local fire use, when expanded and intensified, could become a major factor driving widespread fires, and transforming peatlands.
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