Size-specific tree mortality varies with neighbourhood crowding and disturbance in a montane Nothofagus forest
dc.contributor.author | Hurst, JM | |
dc.contributor.author | Allen, R | |
dc.contributor.author | Coomes, D | |
dc.contributor.author | Duncan, RP | |
dc.contributor.editor | Chen, HYH | |
dc.coverage.spatial | United States | |
dc.date.accessioned | 2016-05-02T23:53:43Z | |
dc.date.available | 2011-10-26 | |
dc.date.issued | 2011-10-26 | |
dc.date.submitted | 2011-09-30 | |
dc.description.abstract | Tree mortality is a fundamental process governing forest dynamics, but understanding tree mortality patterns is challenging because large, long-term datasets are required. Describing size-specific mortality patterns can be especially difficult, due to few trees in larger size classes. We used permanent plot data from Nothofagus solandri var. cliffortioides (mountain beech) forest on the eastern slopes of the Southern Alps, New Zealand, where the fates of trees on 250 plots of 0.04 ha were followed, to examine: (1) patterns of size-specific mortality over three consecutive periods spanning 30 years, each characterised by different disturbance, and (2) the strength and direction of neighbourhood crowding effects on sizespecific mortality rates. We found that the size-specific mortality function was U-shaped over the 30-year period as well as within two shorter periods characterised by small-scale pinhole beetle and windthrow disturbance. During a third period, characterised by earthquake disturbance, tree mortality was less size dependent. Small trees (,20 cm in diameter) were more likely to die, in all three periods, if surrounded by a high basal area of larger neighbours, suggesting that sizeasymmetric competition for light was a major cause of mortality. In contrast, large trees ($20 cm in diameter) were more likely to die in the first period if they had few neighbours, indicating that positive crowding effects were sometimes important for survival of large trees. Overall our results suggest that temporal variability in size-specific mortality patterns, and positive interactions between large trees, may sometimes need to be incorporated into models of forest dynamics. | |
dc.format.extent | pp.1-5 | |
dc.format.medium | Print-Electronic | |
dc.identifier | PONE-D-11-09795 | |
dc.identifier | https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=elements_prod&SrcAuth=WosAPI&KeyUT=WOS:000296519600041&DestLinkType=FullRecord&DestApp=WOS_CPL | |
dc.identifier.citation | Hurst JM, Allen RB, Coomes DA, Duncan RP (2011). Size-Specific Tree Mortality Varies with Neighbourhood Crowding and Disturbance in a Montane Nothofagus Forest. PLoS ONE 6(10): e26670. doi:10.1371/journal.pone.0026670 | |
dc.identifier.doi | 10.1371/journal.pone.0026670 | |
dc.identifier.eissn | 1932-6203 | |
dc.identifier.issn | 1932-6203 | |
dc.identifier.other | 22046327 (pubmed) | |
dc.identifier.uri | https://hdl.handle.net/10182/6939 | |
dc.language.iso | en | |
dc.publisher | Public Library of Science | |
dc.relation | The original publication is available from Public Library of Science - https://doi.org/10.1371/journal.pone.0026670 - http://dx.doi.org/10.1371/journal.pone.0026670 | |
dc.relation.isPartOf | PLoS ONE | |
dc.relation.uri | https://doi.org/10.1371/journal.pone.0026670 | |
dc.rights | Copyright © 2011 Hurst et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. | |
dc.rights.ccname | Attribution | |
dc.rights.ccuri | https://creativecommons.org/licenses/by/4.0/ | |
dc.subject | tree mortality | |
dc.subject | Nothofagus | |
dc.subject | New Zealand | |
dc.subject.anzsrc | ANZSRC::050102 Ecosystem Function | |
dc.subject.anzsrc | ANZSRC::0501 Ecological Applications | |
dc.subject.mesh | Trees | |
dc.subject.mesh | Ecosystem | |
dc.subject.mesh | Sunlight | |
dc.subject.mesh | New Zealand | |
dc.title | Size-specific tree mortality varies with neighbourhood crowding and disturbance in a montane Nothofagus forest | |
dc.type | Journal Article | |
lu.contributor.unit | LU | |
lu.contributor.unit | LU|OLD BPEC | |
lu.contributor.unit | LU|OLD BPRC | |
pubs.issue | 10 | |
pubs.publication-status | Published | |
pubs.publisher-url | http://dx.doi.org/10.1371/journal.pone.0026670 | |
pubs.volume | 6 |
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