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REGULAR ARTICLE Contrasting effects of resource availability

Contrasting effects of resource availability
and plant mortality on plant community invasion
by Bromus tectorum L.
E. Carol Adair & Ingrid C. Burke &
William K. Lauenroth
Received: 23 August 2007 /Accepted: 12 December 2007 / Published online: 29 December 2007
# Springer Science + Business Media B.V. 2007
Abstract The positive effect of disturbance on plant
community invasibility is one of the more consistent
results in invasion ecology. It is generally attributed to
a coincident increase in available resources (due to
the disturbance) that allows non-resident plant species
to establish (Davis MA, Grime JP Thompson K, J
Ecol 88:528534, 2000). However, most research
addressing this issue has been in artificial or highly
modified plant communities. Our goal in this study
was to investigate the interactive effects of resource
availability and plant mortality disturbance on the
invasion of natural plant communities. We conducted


Source: Adair, E. Carol - National Center for Ecological Analysis and Synthesis, University of California at Santa Barbara


Collections: Environmental Sciences and Ecology