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Impacts of an extreme precipitation event on dipterocarp mortality and habitat filtering in a Bornean tropical rainforest

The frequency of extreme precipitation events is predicted to increase in some tropical regions in response to global climate change, but the impacts of this form of disturbance on the structure and dynamics of tropical tree communities across heterogeneous landscapes remain understudied. We determi...

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Main Authors: Margrove, James A., Burslem, David F. R. P., Jaboury Ghazoul, Eyen, Khoo, Kettle, Chris J., Maycock, Colin Ruzelion
Format: Article
Language:English
English
Published: John Wiley & Sons 2015
Subjects:
QH301-705.5 Biology (General)
SD Forestry
Online Access:https://eprints.ums.edu.my/id/eprint/27511/1/Impacts%20of%20an%20extreme%20precipitation%20event%20on%20dipterocarp%20mortality%20and%20habitat%20filtering%20in%20a%20Bornean%20tropical%20rainforest%20FULL%20TEXT.pdf
https://eprints.ums.edu.my/id/eprint/27511/2/Impacts%20of%20an%20extreme%20precipitation%20event%20on%20dipterocarp%20mortality%20and%20habitat%20filtering%20in%20a%20Bornean%20tropical%20rainforest%20ABSTRACT.pdf
https://eprints.ums.edu.my/id/eprint/27511/
https://onlinelibrary.wiley.com/doi/pdf/10.1111/btp.12189?casa_token=2QcDMwwB8_oAAAAA:CRsm4rPCjBYmvrNeUjKD0skHlCZNIY0jzp1e5PVKIaA-4eNpItTfrUqhck84yQjnEFHwoPm-9KZnIRJh-w
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spelling my.ums.eprints.275112021-06-30T11:06:34Z https://eprints.ums.edu.my/id/eprint/27511/ Impacts of an extreme precipitation event on dipterocarp mortality and habitat filtering in a Bornean tropical rainforest Margrove, James A. Burslem, David F. R. P. Jaboury Ghazoul Eyen, Khoo Kettle, Chris J. Maycock, Colin Ruzelion QH301-705.5 Biology (General) SD Forestry The frequency of extreme precipitation events is predicted to increase in some tropical regions in response to global climate change, but the impacts of this form of disturbance on the structure and dynamics of tropical tree communities across heterogeneous landscapes remain understudied. We determined the effects of an extreme precipitation event (EPE) in July 2006 on mortality of dipterocarps on a 68 ha permanent inventory plot in Sepilok Forest Reserve, Sabah. For stems ≥30 cm dbh, 12 of the 15 species of Dipterocarpaceae on this plot have significant positive and/or negative associations to habitats defined by topography and soil type. Short-term mortality induced by the EPE was much greater for individuals growing on the alluvial floodplain (13.7%) than in the mudstone (1.4%) or sandstone (0.0%) habitats, but mortality of dipterocarps did not differ among these habitats in the subsequent 5-yr interval. The likelihood of mortality in response to the EPE was highest for a small group of fast growing dipterocarps that possess low wood density and a strong association to the alluvial forest habitat. This group of species represents a high percentage of dipterocarp individuals but a low proportion of dipterocarp diversity in this habitat. We conclude that disturbance induced by high rainfall events contributes to the episodic nature of tropical forest dynamics, and that increases in the frequency of these events would disproportionately impact low-lying alluvial forest environments and some of the species growing in them. John Wiley & Sons 2015 Article PeerReviewed text en https://eprints.ums.edu.my/id/eprint/27511/1/Impacts%20of%20an%20extreme%20precipitation%20event%20on%20dipterocarp%20mortality%20and%20habitat%20filtering%20in%20a%20Bornean%20tropical%20rainforest%20FULL%20TEXT.pdf text en https://eprints.ums.edu.my/id/eprint/27511/2/Impacts%20of%20an%20extreme%20precipitation%20event%20on%20dipterocarp%20mortality%20and%20habitat%20filtering%20in%20a%20Bornean%20tropical%20rainforest%20ABSTRACT.pdf Margrove, James A. and Burslem, David F. R. P. and Jaboury Ghazoul and Eyen, Khoo and Kettle, Chris J. and Maycock, Colin Ruzelion (2015) Impacts of an extreme precipitation event on dipterocarp mortality and habitat filtering in a Bornean tropical rainforest. Biotropica, 47 (1). pp. 66-76. ISSN 1744-7429 https://onlinelibrary.wiley.com/doi/pdf/10.1111/btp.12189?casa_token=2QcDMwwB8_oAAAAA:CRsm4rPCjBYmvrNeUjKD0skHlCZNIY0jzp1e5PVKIaA-4eNpItTfrUqhck84yQjnEFHwoPm-9KZnIRJh-w 10.1111/btp.12189
institution Universiti Malaysia Sabah
building UMS Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Sabah
content_source UMS Institutional Repository
url_provider http://eprints.ums.edu.my/
language English
English
topic QH301-705.5 Biology (General)
SD Forestry
spellingShingle QH301-705.5 Biology (General)
SD Forestry
Margrove, James A.
Burslem, David F. R. P.
Jaboury Ghazoul
Eyen, Khoo
Kettle, Chris J.
Maycock, Colin Ruzelion
Impacts of an extreme precipitation event on dipterocarp mortality and habitat filtering in a Bornean tropical rainforest
description The frequency of extreme precipitation events is predicted to increase in some tropical regions in response to global climate change, but the impacts of this form of disturbance on the structure and dynamics of tropical tree communities across heterogeneous landscapes remain understudied. We determined the effects of an extreme precipitation event (EPE) in July 2006 on mortality of dipterocarps on a 68 ha permanent inventory plot in Sepilok Forest Reserve, Sabah. For stems ≥30 cm dbh, 12 of the 15 species of Dipterocarpaceae on this plot have significant positive and/or negative associations to habitats defined by topography and soil type. Short-term mortality induced by the EPE was much greater for individuals growing on the alluvial floodplain (13.7%) than in the mudstone (1.4%) or sandstone (0.0%) habitats, but mortality of dipterocarps did not differ among these habitats in the subsequent 5-yr interval. The likelihood of mortality in response to the EPE was highest for a small group of fast growing dipterocarps that possess low wood density and a strong association to the alluvial forest habitat. This group of species represents a high percentage of dipterocarp individuals but a low proportion of dipterocarp diversity in this habitat. We conclude that disturbance induced by high rainfall events contributes to the episodic nature of tropical forest dynamics, and that increases in the frequency of these events would disproportionately impact low-lying alluvial forest environments and some of the species growing in them.
format Article
author Margrove, James A.
Burslem, David F. R. P.
Jaboury Ghazoul
Eyen, Khoo
Kettle, Chris J.
Maycock, Colin Ruzelion
author_facet Margrove, James A.
Burslem, David F. R. P.
Jaboury Ghazoul
Eyen, Khoo
Kettle, Chris J.
Maycock, Colin Ruzelion
author_sort Margrove, James A.
title Impacts of an extreme precipitation event on dipterocarp mortality and habitat filtering in a Bornean tropical rainforest
title_short Impacts of an extreme precipitation event on dipterocarp mortality and habitat filtering in a Bornean tropical rainforest
title_full Impacts of an extreme precipitation event on dipterocarp mortality and habitat filtering in a Bornean tropical rainforest
title_fullStr Impacts of an extreme precipitation event on dipterocarp mortality and habitat filtering in a Bornean tropical rainforest
title_full_unstemmed Impacts of an extreme precipitation event on dipterocarp mortality and habitat filtering in a Bornean tropical rainforest
title_sort impacts of an extreme precipitation event on dipterocarp mortality and habitat filtering in a bornean tropical rainforest
publisher John Wiley & Sons
publishDate 2015
url https://eprints.ums.edu.my/id/eprint/27511/1/Impacts%20of%20an%20extreme%20precipitation%20event%20on%20dipterocarp%20mortality%20and%20habitat%20filtering%20in%20a%20Bornean%20tropical%20rainforest%20FULL%20TEXT.pdf
https://eprints.ums.edu.my/id/eprint/27511/2/Impacts%20of%20an%20extreme%20precipitation%20event%20on%20dipterocarp%20mortality%20and%20habitat%20filtering%20in%20a%20Bornean%20tropical%20rainforest%20ABSTRACT.pdf
https://eprints.ums.edu.my/id/eprint/27511/
https://onlinelibrary.wiley.com/doi/pdf/10.1111/btp.12189?casa_token=2QcDMwwB8_oAAAAA:CRsm4rPCjBYmvrNeUjKD0skHlCZNIY0jzp1e5PVKIaA-4eNpItTfrUqhck84yQjnEFHwoPm-9KZnIRJh-w
_version_ 1760230631029080064
score 13.211869

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