Opportunities for reducing greenhouse gas emissions in tropical peatlands

The upcoming global mechanism for reducing emissions from deforestation and forest degradation in developing countries should include and prioritize tropical peatlands. Forested tropical peatlands in Southeast Asia are rapidly being converted into production systems by introducing perennial crops f...

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Main Authors: Murdiyarso, Daniel, Hergoualc'h, Kristell, Verchot, Louis V.
Format: Journal Article
Language:Inglés
Published: 2010
Subjects:
Online Access:https://hdl.handle.net/10568/20612
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author Murdiyarso, Daniel
Hergoualc'h, Kristell
Verchot, Louis V.
author_browse Hergoualc'h, Kristell
Murdiyarso, Daniel
Verchot, Louis V.
author_facet Murdiyarso, Daniel
Hergoualc'h, Kristell
Verchot, Louis V.
author_sort Murdiyarso, Daniel
collection Repository of Agricultural Research Outputs (CGSpace)
description The upcoming global mechanism for reducing emissions from deforestation and forest degradation in developing countries should include and prioritize tropical peatlands. Forested tropical peatlands in Southeast Asia are rapidly being converted into production systems by introducing perennial crops for lucrative agribusiness, such as oil-palm and pulpwood plantations, causing large greenhouse gas (GHG) emissions. The Intergovernmental Panel on Climate Change Guidelines for GHG Inventory on Agriculture, Forestry, and Other Land Uses provide an adequate framework for emissions inventories in these ecosystems; however, specific emission factors are needed for more accurate and costeffective monitoring. The emissions are governed by complex biophysical processes, such as peat decomposition and compaction, nutrient availability, soil water content, and water table level, all of which are affected by management practices. We estimate that total carbon loss from converting peat swamp forests into oil palm is 59.4 _ 10.2 Mg of CO2 per hectare per year during the first 25 y after land-use cover change, of which 61.6% arise from the peat. Of the total amount (1,486 _ 183 Mg of CO2 per hectare over 25 y), 25% are released immediately from land-clearing fire. In order to maintain high palm-oil production, nitrogen inputs through fertilizer are needed and the magnitude of the resulting increased N2O emissions compared to CO2 losses remains unclear.
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spelling CGSpace206122025-01-24T14:19:57Z Opportunities for reducing greenhouse gas emissions in tropical peatlands Murdiyarso, Daniel Hergoualc'h, Kristell Verchot, Louis V. emission climate change degradation developing countries tropical rain forests peatlands oil palms The upcoming global mechanism for reducing emissions from deforestation and forest degradation in developing countries should include and prioritize tropical peatlands. Forested tropical peatlands in Southeast Asia are rapidly being converted into production systems by introducing perennial crops for lucrative agribusiness, such as oil-palm and pulpwood plantations, causing large greenhouse gas (GHG) emissions. The Intergovernmental Panel on Climate Change Guidelines for GHG Inventory on Agriculture, Forestry, and Other Land Uses provide an adequate framework for emissions inventories in these ecosystems; however, specific emission factors are needed for more accurate and costeffective monitoring. The emissions are governed by complex biophysical processes, such as peat decomposition and compaction, nutrient availability, soil water content, and water table level, all of which are affected by management practices. We estimate that total carbon loss from converting peat swamp forests into oil palm is 59.4 _ 10.2 Mg of CO2 per hectare per year during the first 25 y after land-use cover change, of which 61.6% arise from the peat. Of the total amount (1,486 _ 183 Mg of CO2 per hectare over 25 y), 25% are released immediately from land-clearing fire. In order to maintain high palm-oil production, nitrogen inputs through fertilizer are needed and the magnitude of the resulting increased N2O emissions compared to CO2 losses remains unclear. 2010 2012-06-04T09:15:01Z 2012-06-04T09:15:01Z Journal Article https://hdl.handle.net/10568/20612 en Murdiyarso, D., Hergoualc'h, K., Verchot, L.V. 2010. Opportunities for reducing greenhouse gas emissions in tropical peatlands . PNAS 107 (46) :19655–19660. ISSN: 0027-8424.
spellingShingle emission
climate change
degradation
developing countries
tropical rain forests
peatlands
oil palms
Murdiyarso, Daniel
Hergoualc'h, Kristell
Verchot, Louis V.
Opportunities for reducing greenhouse gas emissions in tropical peatlands
title Opportunities for reducing greenhouse gas emissions in tropical peatlands
title_full Opportunities for reducing greenhouse gas emissions in tropical peatlands
title_fullStr Opportunities for reducing greenhouse gas emissions in tropical peatlands
title_full_unstemmed Opportunities for reducing greenhouse gas emissions in tropical peatlands
title_short Opportunities for reducing greenhouse gas emissions in tropical peatlands
title_sort opportunities for reducing greenhouse gas emissions in tropical peatlands
topic emission
climate change
degradation
developing countries
tropical rain forests
peatlands
oil palms
url https://hdl.handle.net/10568/20612
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