Differences in forest plant functional trait distributions across land-use and productivity gradient

Mayfield, Margaret M., Dwyer, John M., Chalmandrier, Loic, Wells, Jessie A., Bonser, Stephen P., Catterall, Carla P., DeClerck, Fabrice, Ding, Yi, Fraterrigo, Jennifer M., Metcalfe, Daniel J., Queiroz, Cibele, Vesk, Peter A. and Morgan, John W. (2013) Differences in forest plant functional trait distributions across land-use and productivity gradient. American Journal of Botany, 100 7: 1356-1368. doi:10.3732/ajb.1200461

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Author Mayfield, Margaret M.
Dwyer, John M.
Chalmandrier, Loic
Wells, Jessie A.
Bonser, Stephen P.
Catterall, Carla P.
DeClerck, Fabrice
Ding, Yi
Fraterrigo, Jennifer M.
Metcalfe, Daniel J.
Queiroz, Cibele
Vesk, Peter A.
Morgan, John W.
Title Differences in forest plant functional trait distributions across land-use and productivity gradient
Journal name American Journal of Botany   Check publisher's open access policy
ISSN 0002-9122
1537-2197
Publication date 2013-07
Sub-type Article (original research)
DOI 10.3732/ajb.1200461
Volume 100
Issue 7
Start page 1356
End page 1368
Total pages 13
Place of publication St. Louis, MO, United States
Publisher Botanical Society of America
Collection year 2014
Language eng
Abstract Premise of study: Plant functional traits are commonly used as proxies for plant responses to environmental challenges, yet few studies have explored how functional trait distributions differ across gradients of land-use change. By comparing trait distributions in intact forests with those across land-use change gradients, we can improve our understanding of the ways land-use change alters the diversity and functioning of plant communities. Methods: We examined how the variation and distribution of trait values for seven plant functional traits differ between reference natural forest and three types of land-use conversion (pasture, old-field, or "legacy" sites-regrowth following logging), landscape productivity (NPP) and vegetation strata (tree or non-tree "understory"), in a meta-analysis of studies from 15 landscapes across five continents. Key results: Although trait variation often differed between land-uses within a landscape, these patterns were rarely consistent across landscapes. The variance and distribution of traits were more likely to differ consistently between natural forest and land-use conversion categories for understory (non-tree) plants than for trees. Landscape productivity did not significantly alter the difference in trait variance between natural forest and land-use conversion categories for any trait except dispersal. Conclusions: Our results suggest that even for traits well linked to plant environmental response strategies, broad classes of land-use change and landscape productivity are not generally useful indicators of the mechanisms driving compositional changes in human-modified forest systems.
Keyword Community assembly
Forest regeneration
Functional trait variation
Land-use change
Net primary productivity
Secondary forest
Trait distributions
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2014 Collection
School of Biological Sciences Publications
 
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