Logging and soil nutrients independently explain plant trait expression in tropical forests

Both, Sabine and Riutta, Terhi and Paine, C. E.Timothy and Elias, Dafydd M.O. and Cruz, R. S. and Jain, Annuar and Johnson, David and Kritzler, Ully H. and Kuntz, Marianne and Majalap-Lee, Noreen and Mielke, Nora and Montoya Pillco, Milenka X. and Ostle, Nicholas J. and Arn Teh, Yit and Malhi, Yadvinder and Burslem, David F.R.P. (2019) Logging and soil nutrients independently explain plant trait expression in tropical forests. New Phytologist, 221 (4). pp. 1853-1865. ISSN 0028-646X

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Plant functional traits regulate ecosystem functions but little is known about how co-occurring gradients of land use and edaphic conditions influence their expression. We test how gradients of logging disturbance and soil properties relate to community-weighted mean traits in logged and old-growth tropical forests in Borneo. We studied 32 physical, chemical and physiological traits from 284 tree species in eight 1 ha plots and measured long-term soil nutrient supplies and plant-available nutrients. Logged plots had greater values for traits that drive carbon capture and growth, whilst old-growth forests had greater values for structural and persistence traits. Although disturbance was the primary driver of trait expression, soil nutrients explained a statistically independent axis of variation linked to leaf size and nutrient concentration. Soil characteristics influenced trait expression via nutrient availability, nutrient pools, and pH. Our finding, that traits have dissimilar responses to land use and soil resource availability, provides robust evidence for the need to consider the abiotic context of logging when predicting plant functional diversity across human-modified tropical forests. The detection of two independent axes was facilitated by the measurement of many more functional traits than have been examined in previous studies.

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Journal Article
Journal or Publication Title:
New Phytologist
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This is the peer reviewed version of the following article: Both, S. , Riutta, T. , Paine, C. E., Elias, D. M., Cruz, R. S., Jain, A. , Johnson, D. , Kritzler, U. H., Kuntz, M. , Majalap‐Lee, N. , Mielke, N. , Montoya Pillco, M. X., Ostle, N. J., Arn Teh, Y. , Malhi, Y. and Burslem, D. F. (2019), Logging and soil nutrients independently explain plant trait expression in tropical forests. New Phytol, 221: 1853-1865. doi:10.1111/nph.15444 which has been published in final form at https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.15444 This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.
Uncontrolled Keywords:
?? anthropogenic disturbanceborneofunctional diversityfunctional traitsland userao's qtropical rainforestvariance partitioningphysiologyplant sciencegeneral medicinemedicine(all) ??
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14 Aug 2019 10:15
Last Modified:
17 Jul 2024 23:44