Annual emissions of carbon from land use, land-use change, and forestry from 1850 to 2020

<p>Estimates of the annual emissions of carbon from land use, land-use change, and forestry (LULUCF) are important for constructing global, regional, and national carbon budgets, which in turn help predict future rates of climate change and define potential strategies for mitigation. Here, we...

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Main Authors: R. A. Houghton, A. Castanho
Format: Article
Language:English
Published: Copernicus Publications 2023-05-01
Series:Earth System Science Data
Online Access:https://essd.copernicus.org/articles/15/2025/2023/essd-15-2025-2023.pdf
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author R. A. Houghton
A. Castanho
author_facet R. A. Houghton
A. Castanho
author_sort R. A. Houghton
collection DOAJ
description <p>Estimates of the annual emissions of carbon from land use, land-use change, and forestry (LULUCF) are important for constructing global, regional, and national carbon budgets, which in turn help predict future rates of climate change and define potential strategies for mitigation. Here, we update a long-term (1850–2020) series of annual national carbon emissions resulting from LULUCF (<a href="https://doi.org/10.7910/DVN/U7GHRH">https://doi.org/10.7910/DVN/U7GHRH</a>, Houghton and Castanho, 2023), based largely, after 1960, on statistics of land use from the Food and Agriculture Organization (FAO) of the United Nations (<span class="uri">http://www.fao.org/faostat/en/#data/</span>, FAO, 2021). Those data suggest that rates of deforestation in the tropics (and thus net emissions of carbon) have decreased over the last 10 years (2011–2020). The data also indicate that the net loss of tropical forest area was greater than the net gain in agricultural lands, and we explore four alternative explanations for this apparent forest conversion, one of which is shifting cultivation. We also discuss how opposing trends in recent estimates of tropical deforestation (and emissions) might be reconciled. The calculated emissions of carbon attributable to LULUCF approximate the anthropogenic component of terrestrial carbon emissions, but limiting national carbon accounting to the anthropogenic component may also limit the potential for managing carbon on land.</p>
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spelling doaj.art-db6356a28aaf474f8decb68c4434e5732023-05-23T09:22:17ZengCopernicus PublicationsEarth System Science Data1866-35081866-35162023-05-01152025205410.5194/essd-15-2025-2023Annual emissions of carbon from land use, land-use change, and forestry from 1850 to 2020R. A. HoughtonA. Castanho<p>Estimates of the annual emissions of carbon from land use, land-use change, and forestry (LULUCF) are important for constructing global, regional, and national carbon budgets, which in turn help predict future rates of climate change and define potential strategies for mitigation. Here, we update a long-term (1850–2020) series of annual national carbon emissions resulting from LULUCF (<a href="https://doi.org/10.7910/DVN/U7GHRH">https://doi.org/10.7910/DVN/U7GHRH</a>, Houghton and Castanho, 2023), based largely, after 1960, on statistics of land use from the Food and Agriculture Organization (FAO) of the United Nations (<span class="uri">http://www.fao.org/faostat/en/#data/</span>, FAO, 2021). Those data suggest that rates of deforestation in the tropics (and thus net emissions of carbon) have decreased over the last 10 years (2011–2020). The data also indicate that the net loss of tropical forest area was greater than the net gain in agricultural lands, and we explore four alternative explanations for this apparent forest conversion, one of which is shifting cultivation. We also discuss how opposing trends in recent estimates of tropical deforestation (and emissions) might be reconciled. The calculated emissions of carbon attributable to LULUCF approximate the anthropogenic component of terrestrial carbon emissions, but limiting national carbon accounting to the anthropogenic component may also limit the potential for managing carbon on land.</p>https://essd.copernicus.org/articles/15/2025/2023/essd-15-2025-2023.pdf
spellingShingle R. A. Houghton
A. Castanho
Annual emissions of carbon from land use, land-use change, and forestry from 1850 to 2020
Earth System Science Data
title Annual emissions of carbon from land use, land-use change, and forestry from 1850 to 2020
title_full Annual emissions of carbon from land use, land-use change, and forestry from 1850 to 2020
title_fullStr Annual emissions of carbon from land use, land-use change, and forestry from 1850 to 2020
title_full_unstemmed Annual emissions of carbon from land use, land-use change, and forestry from 1850 to 2020
title_short Annual emissions of carbon from land use, land-use change, and forestry from 1850 to 2020
title_sort annual emissions of carbon from land use land use change and forestry from 1850 to 2020
url https://essd.copernicus.org/articles/15/2025/2023/essd-15-2025-2023.pdf
work_keys_str_mv AT rahoughton annualemissionsofcarbonfromlanduselandusechangeandforestryfrom1850to2020
AT acastanho annualemissionsofcarbonfromlanduselandusechangeandforestryfrom1850to2020