Globally consistent impact of tropical cyclones on the structure of tropical and subtropical forests
Tropical cyclones (TCs) are large‐scale disturbances that regularly impact tropical forests. Although long‐term impacts of TCs on forest structure have been proposed, a global test of the relationship between forest structure and TC frequency and intensity is lacking. We test on a pantropical scale whether TCs shape the structure of tropical and subtropical forests in the long term. We compiled forest structural features (stem density, basal area, mean canopy height and maximum tree size) for plants ≥10 cm in diameter at breast height from published forest inventory data (438 plots ≥0.1 ha, pooled into 250 1 × 1‐degree grid cells) located in dry and humid forests. We computed maps of cyclone frequency and energy released by cyclones per unit area (power dissipation index, PDI) using a high‐resolution historical database of TCs trajectories and intensities. We then tested the relationship between PDI and forest structural features using multivariate linear models, controlling for climate (mean annual temperature and water availability) and human disturbance (human foot print). Forests subject to frequent cyclones (at least one TCs per decade) and high PDI exhibited higher stem density and basal area, and lower canopy heights. However, the relationships between PDI and basal area or canopy height were partially masked by lower water availability and higher human foot print in tropical dry forests. Synthesis. Our results provide the first evidence that tropical cyclones have a long‐term impact on the structure of tropical and subtropical forests in a globally consistent way. The strong relationship between power dissipation index and stem density suggests that frequent and intense tropical cyclones reduce canopy cover through defoliation and tree mortality, encouraging higher regeneration and turnover of biomass. The projected increase in intensity and poleward extension of tropical cyclones due to anthropogenic climate change may therefore have important and lasting impacts on the structure and dynamics of forests in the future.
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Subjects: | K01 - Foresterie - Considérations générales, P40 - Météorologie et climatologie, forêt tropicale humide, cyclone, ouragan, catastrophe naturelle, surface terrière, couvert forestier, mortalité, régénération, changement climatique, http://aims.fao.org/aos/agrovoc/c_7976, http://aims.fao.org/aos/agrovoc/c_2057, http://aims.fao.org/aos/agrovoc/c_11650, http://aims.fao.org/aos/agrovoc/c_10391, http://aims.fao.org/aos/agrovoc/c_fdca82ae, http://aims.fao.org/aos/agrovoc/c_9000180, http://aims.fao.org/aos/agrovoc/c_4945, http://aims.fao.org/aos/agrovoc/c_6486, http://aims.fao.org/aos/agrovoc/c_1666, |
Online Access: | http://agritrop.cirad.fr/593268/ http://agritrop.cirad.fr/593268/1/593268.pdf |
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dig-cirad-fr-5932682024-01-29T02:13:00Z http://agritrop.cirad.fr/593268/ http://agritrop.cirad.fr/593268/ Globally consistent impact of tropical cyclones on the structure of tropical and subtropical forests. Ibanez Thomas, Keppel Gunnar, Menkes Christophe, Gillepsie Thomas W., Lengaigne Matthieu, Mangeas Morgan, Rivas-Torres Gonzalo, Birnbaum Philippe. 2019. Journal of Ecology, 107 (1) : 279-292.https://doi.org/10.1111/1365-2745.13039 <https://doi.org/10.1111/1365-2745.13039> Globally consistent impact of tropical cyclones on the structure of tropical and subtropical forests Ibanez, Thomas Keppel, Gunnar Menkes, Christophe Gillepsie, Thomas W. Lengaigne, Matthieu Mangeas, Morgan Rivas-Torres, Gonzalo Birnbaum, Philippe eng 2019 Journal of Ecology K01 - Foresterie - Considérations générales P40 - Météorologie et climatologie forêt tropicale humide cyclone ouragan catastrophe naturelle surface terrière couvert forestier mortalité régénération changement climatique http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_2057 http://aims.fao.org/aos/agrovoc/c_11650 http://aims.fao.org/aos/agrovoc/c_10391 http://aims.fao.org/aos/agrovoc/c_fdca82ae http://aims.fao.org/aos/agrovoc/c_9000180 http://aims.fao.org/aos/agrovoc/c_4945 http://aims.fao.org/aos/agrovoc/c_6486 http://aims.fao.org/aos/agrovoc/c_1666 Tropical cyclones (TCs) are large‐scale disturbances that regularly impact tropical forests. Although long‐term impacts of TCs on forest structure have been proposed, a global test of the relationship between forest structure and TC frequency and intensity is lacking. We test on a pantropical scale whether TCs shape the structure of tropical and subtropical forests in the long term. We compiled forest structural features (stem density, basal area, mean canopy height and maximum tree size) for plants ≥10 cm in diameter at breast height from published forest inventory data (438 plots ≥0.1 ha, pooled into 250 1 × 1‐degree grid cells) located in dry and humid forests. We computed maps of cyclone frequency and energy released by cyclones per unit area (power dissipation index, PDI) using a high‐resolution historical database of TCs trajectories and intensities. We then tested the relationship between PDI and forest structural features using multivariate linear models, controlling for climate (mean annual temperature and water availability) and human disturbance (human foot print). Forests subject to frequent cyclones (at least one TCs per decade) and high PDI exhibited higher stem density and basal area, and lower canopy heights. However, the relationships between PDI and basal area or canopy height were partially masked by lower water availability and higher human foot print in tropical dry forests. Synthesis. Our results provide the first evidence that tropical cyclones have a long‐term impact on the structure of tropical and subtropical forests in a globally consistent way. The strong relationship between power dissipation index and stem density suggests that frequent and intense tropical cyclones reduce canopy cover through defoliation and tree mortality, encouraging higher regeneration and turnover of biomass. The projected increase in intensity and poleward extension of tropical cyclones due to anthropogenic climate change may therefore have important and lasting impacts on the structure and dynamics of forests in the future. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/593268/1/593268.pdf text cc_by info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/4.0/ https://doi.org/10.1111/1365-2745.13039 10.1111/1365-2745.13039 info:eu-repo/semantics/altIdentifier/doi/10.1111/1365-2745.13039 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1111/1365-2745.13039 info:eu-repo/semantics/dataset/purl/https://doi.org/10.5061/dryad.4nn33b2 |
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K01 - Foresterie - Considérations générales P40 - Météorologie et climatologie forêt tropicale humide cyclone ouragan catastrophe naturelle surface terrière couvert forestier mortalité régénération changement climatique http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_2057 http://aims.fao.org/aos/agrovoc/c_11650 http://aims.fao.org/aos/agrovoc/c_10391 http://aims.fao.org/aos/agrovoc/c_fdca82ae http://aims.fao.org/aos/agrovoc/c_9000180 http://aims.fao.org/aos/agrovoc/c_4945 http://aims.fao.org/aos/agrovoc/c_6486 http://aims.fao.org/aos/agrovoc/c_1666 K01 - Foresterie - Considérations générales P40 - Météorologie et climatologie forêt tropicale humide cyclone ouragan catastrophe naturelle surface terrière couvert forestier mortalité régénération changement climatique http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_2057 http://aims.fao.org/aos/agrovoc/c_11650 http://aims.fao.org/aos/agrovoc/c_10391 http://aims.fao.org/aos/agrovoc/c_fdca82ae http://aims.fao.org/aos/agrovoc/c_9000180 http://aims.fao.org/aos/agrovoc/c_4945 http://aims.fao.org/aos/agrovoc/c_6486 http://aims.fao.org/aos/agrovoc/c_1666 |
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K01 - Foresterie - Considérations générales P40 - Météorologie et climatologie forêt tropicale humide cyclone ouragan catastrophe naturelle surface terrière couvert forestier mortalité régénération changement climatique http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_2057 http://aims.fao.org/aos/agrovoc/c_11650 http://aims.fao.org/aos/agrovoc/c_10391 http://aims.fao.org/aos/agrovoc/c_fdca82ae http://aims.fao.org/aos/agrovoc/c_9000180 http://aims.fao.org/aos/agrovoc/c_4945 http://aims.fao.org/aos/agrovoc/c_6486 http://aims.fao.org/aos/agrovoc/c_1666 K01 - Foresterie - Considérations générales P40 - Météorologie et climatologie forêt tropicale humide cyclone ouragan catastrophe naturelle surface terrière couvert forestier mortalité régénération changement climatique http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_2057 http://aims.fao.org/aos/agrovoc/c_11650 http://aims.fao.org/aos/agrovoc/c_10391 http://aims.fao.org/aos/agrovoc/c_fdca82ae http://aims.fao.org/aos/agrovoc/c_9000180 http://aims.fao.org/aos/agrovoc/c_4945 http://aims.fao.org/aos/agrovoc/c_6486 http://aims.fao.org/aos/agrovoc/c_1666 Ibanez, Thomas Keppel, Gunnar Menkes, Christophe Gillepsie, Thomas W. Lengaigne, Matthieu Mangeas, Morgan Rivas-Torres, Gonzalo Birnbaum, Philippe Globally consistent impact of tropical cyclones on the structure of tropical and subtropical forests |
description |
Tropical cyclones (TCs) are large‐scale disturbances that regularly impact tropical forests. Although long‐term impacts of TCs on forest structure have been proposed, a global test of the relationship between forest structure and TC frequency and intensity is lacking. We test on a pantropical scale whether TCs shape the structure of tropical and subtropical forests in the long term. We compiled forest structural features (stem density, basal area, mean canopy height and maximum tree size) for plants ≥10 cm in diameter at breast height from published forest inventory data (438 plots ≥0.1 ha, pooled into 250 1 × 1‐degree grid cells) located in dry and humid forests. We computed maps of cyclone frequency and energy released by cyclones per unit area (power dissipation index, PDI) using a high‐resolution historical database of TCs trajectories and intensities. We then tested the relationship between PDI and forest structural features using multivariate linear models, controlling for climate (mean annual temperature and water availability) and human disturbance (human foot print). Forests subject to frequent cyclones (at least one TCs per decade) and high PDI exhibited higher stem density and basal area, and lower canopy heights. However, the relationships between PDI and basal area or canopy height were partially masked by lower water availability and higher human foot print in tropical dry forests. Synthesis. Our results provide the first evidence that tropical cyclones have a long‐term impact on the structure of tropical and subtropical forests in a globally consistent way. The strong relationship between power dissipation index and stem density suggests that frequent and intense tropical cyclones reduce canopy cover through defoliation and tree mortality, encouraging higher regeneration and turnover of biomass. The projected increase in intensity and poleward extension of tropical cyclones due to anthropogenic climate change may therefore have important and lasting impacts on the structure and dynamics of forests in the future. |
format |
article |
topic_facet |
K01 - Foresterie - Considérations générales P40 - Météorologie et climatologie forêt tropicale humide cyclone ouragan catastrophe naturelle surface terrière couvert forestier mortalité régénération changement climatique http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_2057 http://aims.fao.org/aos/agrovoc/c_11650 http://aims.fao.org/aos/agrovoc/c_10391 http://aims.fao.org/aos/agrovoc/c_fdca82ae http://aims.fao.org/aos/agrovoc/c_9000180 http://aims.fao.org/aos/agrovoc/c_4945 http://aims.fao.org/aos/agrovoc/c_6486 http://aims.fao.org/aos/agrovoc/c_1666 |
author |
Ibanez, Thomas Keppel, Gunnar Menkes, Christophe Gillepsie, Thomas W. Lengaigne, Matthieu Mangeas, Morgan Rivas-Torres, Gonzalo Birnbaum, Philippe |
author_facet |
Ibanez, Thomas Keppel, Gunnar Menkes, Christophe Gillepsie, Thomas W. Lengaigne, Matthieu Mangeas, Morgan Rivas-Torres, Gonzalo Birnbaum, Philippe |
author_sort |
Ibanez, Thomas |
title |
Globally consistent impact of tropical cyclones on the structure of tropical and subtropical forests |
title_short |
Globally consistent impact of tropical cyclones on the structure of tropical and subtropical forests |
title_full |
Globally consistent impact of tropical cyclones on the structure of tropical and subtropical forests |
title_fullStr |
Globally consistent impact of tropical cyclones on the structure of tropical and subtropical forests |
title_full_unstemmed |
Globally consistent impact of tropical cyclones on the structure of tropical and subtropical forests |
title_sort |
globally consistent impact of tropical cyclones on the structure of tropical and subtropical forests |
url |
http://agritrop.cirad.fr/593268/ http://agritrop.cirad.fr/593268/1/593268.pdf |
work_keys_str_mv |
AT ibanezthomas globallyconsistentimpactoftropicalcyclonesonthestructureoftropicalandsubtropicalforests AT keppelgunnar globallyconsistentimpactoftropicalcyclonesonthestructureoftropicalandsubtropicalforests AT menkeschristophe globallyconsistentimpactoftropicalcyclonesonthestructureoftropicalandsubtropicalforests AT gillepsiethomasw globallyconsistentimpactoftropicalcyclonesonthestructureoftropicalandsubtropicalforests AT lengaignematthieu globallyconsistentimpactoftropicalcyclonesonthestructureoftropicalandsubtropicalforests AT mangeasmorgan globallyconsistentimpactoftropicalcyclonesonthestructureoftropicalandsubtropicalforests AT rivastorresgonzalo globallyconsistentimpactoftropicalcyclonesonthestructureoftropicalandsubtropicalforests AT birnbaumphilippe globallyconsistentimpactoftropicalcyclonesonthestructureoftropicalandsubtropicalforests |
_version_ |
1792499799450189824 |