Declining severe fire activity on managed lands in Equatorial Asia
Fire activity is declining globally due to intensifying land management, but trends remain uncertain for the humid tropics, particularly Equatorial Asia. Here, we report that rates of fire events deemed severe (≥75th severity percentile of 2002-2019) and very severe (≥90th percentile) for Indonesia declined 19-27% and 23-34% over 2002-2019, respectively, controlling for precipitation, where fire-event severity is given by total fire radiative power and duration. The severity of seasonal fire activity – a measure of extremeness – declined 16% in Sumatra and moderately elsewhere. Declines concentrated over mosaic croplands and nearby forest, accounting for one-fifth and one-quarter of fire activity, respectively, with each class contracting 11% amongst severe fire events. Declines were limited over mosaic lands with relatively limited cropping, despite accounting for a similar extent and one-fifth share of fire activity. Declines had an uncertain association with agricultural development but seemingly reflect related political and economic forces for economic and environmental security.
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Subjects: | H01 - Protection des végétaux - Considérations générales, incendie, gestion de biens (fonciers), gestion de l'environnement, http://aims.fao.org/aos/agrovoc/c_2915, http://aims.fao.org/aos/agrovoc/c_21323863, http://aims.fao.org/aos/agrovoc/c_37875, http://aims.fao.org/aos/agrovoc/c_7972, http://aims.fao.org/aos/agrovoc/c_3840, http://aims.fao.org/aos/agrovoc/c_7518, |
Online Access: | http://agritrop.cirad.fr/602194/ http://agritrop.cirad.fr/602194/1/Sloan%202022%20Declining%20severe%20fire%20activity%20on%20managed%20lands%20in%20Equatorial%20Asia.pdf |
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dig-cirad-fr-6021942024-05-02T13:57:41Z http://agritrop.cirad.fr/602194/ http://agritrop.cirad.fr/602194/ Declining severe fire activity on managed lands in Equatorial Asia. Sloan Sean, Locatelli Bruno, Andela Niels, Cattau Megan E., Gaveau David L.A., Tacconi Luca. 2022. Communications Earth and Environment, 3:207, 12 p.https://doi.org/10.1038/s43247-022-00522-6 <https://doi.org/10.1038/s43247-022-00522-6> Declining severe fire activity on managed lands in Equatorial Asia Sloan, Sean Locatelli, Bruno Andela, Niels Cattau, Megan E. Gaveau, David L.A. Tacconi, Luca eng 2022 Communications Earth and Environment H01 - Protection des végétaux - Considérations générales incendie gestion de biens (fonciers) gestion de l'environnement http://aims.fao.org/aos/agrovoc/c_2915 http://aims.fao.org/aos/agrovoc/c_21323863 http://aims.fao.org/aos/agrovoc/c_37875 Asie tropicale Indonésie Sumatra http://aims.fao.org/aos/agrovoc/c_7972 http://aims.fao.org/aos/agrovoc/c_3840 http://aims.fao.org/aos/agrovoc/c_7518 Fire activity is declining globally due to intensifying land management, but trends remain uncertain for the humid tropics, particularly Equatorial Asia. Here, we report that rates of fire events deemed severe (≥75th severity percentile of 2002-2019) and very severe (≥90th percentile) for Indonesia declined 19-27% and 23-34% over 2002-2019, respectively, controlling for precipitation, where fire-event severity is given by total fire radiative power and duration. The severity of seasonal fire activity – a measure of extremeness – declined 16% in Sumatra and moderately elsewhere. Declines concentrated over mosaic croplands and nearby forest, accounting for one-fifth and one-quarter of fire activity, respectively, with each class contracting 11% amongst severe fire events. Declines were limited over mosaic lands with relatively limited cropping, despite accounting for a similar extent and one-fifth share of fire activity. Declines had an uncertain association with agricultural development but seemingly reflect related political and economic forces for economic and environmental security. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/602194/1/Sloan%202022%20Declining%20severe%20fire%20activity%20on%20managed%20lands%20in%20Equatorial%20Asia.pdf text cc_by info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/4.0/ https://doi.org/10.1038/s43247-022-00522-6 10.1038/s43247-022-00522-6 info:eu-repo/semantics/altIdentifier/doi/10.1038/s43247-022-00522-6 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1038/s43247-022-00522-6 info:eu-repo/semantics/dataset/purl/https://doi.org/10.5061/dryad.msbcc2g1t |
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H01 - Protection des végétaux - Considérations générales incendie gestion de biens (fonciers) gestion de l'environnement http://aims.fao.org/aos/agrovoc/c_2915 http://aims.fao.org/aos/agrovoc/c_21323863 http://aims.fao.org/aos/agrovoc/c_37875 http://aims.fao.org/aos/agrovoc/c_7972 http://aims.fao.org/aos/agrovoc/c_3840 http://aims.fao.org/aos/agrovoc/c_7518 H01 - Protection des végétaux - Considérations générales incendie gestion de biens (fonciers) gestion de l'environnement http://aims.fao.org/aos/agrovoc/c_2915 http://aims.fao.org/aos/agrovoc/c_21323863 http://aims.fao.org/aos/agrovoc/c_37875 http://aims.fao.org/aos/agrovoc/c_7972 http://aims.fao.org/aos/agrovoc/c_3840 http://aims.fao.org/aos/agrovoc/c_7518 |
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H01 - Protection des végétaux - Considérations générales incendie gestion de biens (fonciers) gestion de l'environnement http://aims.fao.org/aos/agrovoc/c_2915 http://aims.fao.org/aos/agrovoc/c_21323863 http://aims.fao.org/aos/agrovoc/c_37875 http://aims.fao.org/aos/agrovoc/c_7972 http://aims.fao.org/aos/agrovoc/c_3840 http://aims.fao.org/aos/agrovoc/c_7518 H01 - Protection des végétaux - Considérations générales incendie gestion de biens (fonciers) gestion de l'environnement http://aims.fao.org/aos/agrovoc/c_2915 http://aims.fao.org/aos/agrovoc/c_21323863 http://aims.fao.org/aos/agrovoc/c_37875 http://aims.fao.org/aos/agrovoc/c_7972 http://aims.fao.org/aos/agrovoc/c_3840 http://aims.fao.org/aos/agrovoc/c_7518 Sloan, Sean Locatelli, Bruno Andela, Niels Cattau, Megan E. Gaveau, David L.A. Tacconi, Luca Declining severe fire activity on managed lands in Equatorial Asia |
description |
Fire activity is declining globally due to intensifying land management, but trends remain uncertain for the humid tropics, particularly Equatorial Asia. Here, we report that rates of fire events deemed severe (≥75th severity percentile of 2002-2019) and very severe (≥90th percentile) for Indonesia declined 19-27% and 23-34% over 2002-2019, respectively, controlling for precipitation, where fire-event severity is given by total fire radiative power and duration. The severity of seasonal fire activity – a measure of extremeness – declined 16% in Sumatra and moderately elsewhere. Declines concentrated over mosaic croplands and nearby forest, accounting for one-fifth and one-quarter of fire activity, respectively, with each class contracting 11% amongst severe fire events. Declines were limited over mosaic lands with relatively limited cropping, despite accounting for a similar extent and one-fifth share of fire activity. Declines had an uncertain association with agricultural development but seemingly reflect related political and economic forces for economic and environmental security. |
format |
article |
topic_facet |
H01 - Protection des végétaux - Considérations générales incendie gestion de biens (fonciers) gestion de l'environnement http://aims.fao.org/aos/agrovoc/c_2915 http://aims.fao.org/aos/agrovoc/c_21323863 http://aims.fao.org/aos/agrovoc/c_37875 http://aims.fao.org/aos/agrovoc/c_7972 http://aims.fao.org/aos/agrovoc/c_3840 http://aims.fao.org/aos/agrovoc/c_7518 |
author |
Sloan, Sean Locatelli, Bruno Andela, Niels Cattau, Megan E. Gaveau, David L.A. Tacconi, Luca |
author_facet |
Sloan, Sean Locatelli, Bruno Andela, Niels Cattau, Megan E. Gaveau, David L.A. Tacconi, Luca |
author_sort |
Sloan, Sean |
title |
Declining severe fire activity on managed lands in Equatorial Asia |
title_short |
Declining severe fire activity on managed lands in Equatorial Asia |
title_full |
Declining severe fire activity on managed lands in Equatorial Asia |
title_fullStr |
Declining severe fire activity on managed lands in Equatorial Asia |
title_full_unstemmed |
Declining severe fire activity on managed lands in Equatorial Asia |
title_sort |
declining severe fire activity on managed lands in equatorial asia |
url |
http://agritrop.cirad.fr/602194/ http://agritrop.cirad.fr/602194/1/Sloan%202022%20Declining%20severe%20fire%20activity%20on%20managed%20lands%20in%20Equatorial%20Asia.pdf |
work_keys_str_mv |
AT sloansean decliningseverefireactivityonmanagedlandsinequatorialasia AT locatellibruno decliningseverefireactivityonmanagedlandsinequatorialasia AT andelaniels decliningseverefireactivityonmanagedlandsinequatorialasia AT cattaumegane decliningseverefireactivityonmanagedlandsinequatorialasia AT gaveaudavidla decliningseverefireactivityonmanagedlandsinequatorialasia AT tacconiluca decliningseverefireactivityonmanagedlandsinequatorialasia |
_version_ |
1798165085703634944 |