What does species richness tell us about functional trait diversity? Predictions and evidence for responses of species and functional trait diversity to land-use change

Mayfield, M M, Bonser, SP, Morgan, JW, Aubin, I, McNamara, S and Vesk, PA (2010) What does species richness tell us about functional trait diversity? Predictions and evidence for responses of species and functional trait diversity to land-use change. GLOBAL ECOLOGY AND BIOGEOGRAPHY, 19 4: 423-431. doi:10.1111/j.1466-8238.2010.00532.x


Author Mayfield, M M
Bonser, SP
Morgan, JW
Aubin, I
McNamara, S
Vesk, PA
Title What does species richness tell us about functional trait diversity? Predictions and evidence for responses of species and functional trait diversity to land-use change
Journal name GLOBAL ECOLOGY AND BIOGEOGRAPHY   Check publisher's open access policy
ISSN 1466-822X
Publication date 2010-07-01
Year available 2010
Sub-type Article (original research)
DOI 10.1111/j.1466-8238.2010.00532.x
Volume 19
Issue 4
Start page 423
End page 431
Total pages 9
Place of publication United Kingdom
Publisher Wiley-Blackwell Publishing Ltd.
Collection year 2011
Language eng
Subject C1
050102 Ecosystem Function
970106 Expanding Knowledge in the Biological Sciences
960805 Flora, Fauna and Biodiversity at Regional or Larger Scales
060202 Community Ecology(excl. Invasive Species Ecology)
Formatted abstract
In the conservation literature on land-use change, it is often assumed that land-use intensification drives species loss, driving a loss of functional trait diversity and ecosystem function. Modern research, however, does not support this cascade of loss for all natural systems. In this paper we explore the errors in this assumption and present a conceptual model taking a more mechanistic approach to the species–functional trait association in a context of land-use change. We provide empirical support for our model's predictions demonstrating that the association of species and functional trait diversity follows various trajectories in response to land-use change. The central premise of our model is that land-use change impacts upon processes of community assembly, not species per se. From the model, it is clear that community context (i.e. type of disturbance, species pool size) will affect the response trajectory of the relationship between species and functional trait diversity in communities undergoing land-use change. The maintenance of ecosystem function and of species diversity in the face of increasing land-use change are complementary goals. The use of a more ecologically realistic model of responses of species and functional traits will improve our ability to make wise management decisions to achieve both aims in specific at-risk systems.
Keyword Community assembly
community ecology
conservation
diversity
ecosystem function
functional trait diversity
land-use change
ECOSYSTEM FUNCTION
PLANT-COMMUNITIES
USE INTENSIFICATION
BIODIVERSITY
CONSERVATION
ECOLOGY
DISTRIBUTIONS
ENVIRONMENTS
RESTORATION
COEXISTENCE
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Sun, 27 Jun 2010, 10:07:34 EST