Land-use intensification reduces functional redundancy and response diversity in plant communities

Laliberte, E, Wells, JA, DeClerck, F, Metcalfe, DJ, Catterall, CP, Queiroz, C, Aubin, I, Bonser, SP, Ding, Y, Fraterrigo, JM, McNamara, S, Morgan, JW, Merlos, DS, Vesk, PA and Mayfield, MM (2010) Land-use intensification reduces functional redundancy and response diversity in plant communities. ECOLOGY LETTERS, 13 1: 76-86. doi:10.1111/j.1461-0248.2009.01403.x

Author Laliberte, E
Wells, JA
DeClerck, F
Metcalfe, DJ
Catterall, CP
Queiroz, C
Aubin, I
Bonser, SP
Ding, Y
Fraterrigo, JM
McNamara, S
Morgan, JW
Merlos, DS
Vesk, PA
Mayfield, MM
Title Land-use intensification reduces functional redundancy and response diversity in plant communities
Journal name ECOLOGY LETTERS   Check publisher's open access policy
ISSN 1461-023X
Publication date 2010-01-01
Year available 2009
Sub-type Article (original research)
DOI 10.1111/j.1461-0248.2009.01403.x
Open Access Status Not yet assessed
Volume 13
Issue 1
Start page 76
End page 86
Total pages 11
Editor Marcel Holyoak
Place of publication United Kingdom
Publisher Wiley-Blackwell Publishing Ltd.
Language eng
Subject 960804 Farmland, Arable Cropland and Permanent Cropland Flora, Fauna and Biodiversity
060202 Community Ecology(excl. Invasive Species Ecology)
050102 Ecosystem Function
Abstract Ecosystem resilience depends on functional redundancy (the number of species contributing similarly to an ecosystem function) and response diversity (how functionally similar species respond differently to disturbance). Here, we explore how land-use change impacts these attributes in plant communities, using data from 18 land-use intensity gradients that represent five biomes and > 2800 species. We identify functional groups using multivariate analysis of plant traits which influence ecosystem processes. Functional redundancy is calculated as the species richness within each group, and response diversity as the multivariate within-group dispersion in response trait space, using traits that influence responses to disturbances. Meta-analysis across all datasets showed that land-use intensification significantly reduced both functional redundancy and response diversity, although specific relationships varied considerably among the different land-use gradients. These results indicate that intensified management of ecosystems for resource extraction can increase their vulnerability to future disturbances.
Keyword Functional diversity
land-use change
response diversity
Q-Index Code C1
Q-Index Status Confirmed Code
Grant ID WG-31
Institutional Status UQ

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Created: Sun, 10 Jan 2010, 10:07:05 EST