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Ecology 2005 93, 596606
 

Summary: Journal of
Ecology 2005
93, 596606
2005 British
Ecological Society
Blackwell Publishing, Ltd.
Rainfall, land use and woody vegetation cover change in
semi-arid Australian savanna
R. J. FENSHAM, R. J. FAIRFAX and S. R. ARCHER*
Queensland Herbarium, Environmental Protection Agency, Mt Coot-tha Road, Toowong, Queensland 4066,
Australia, and *School of Natural Resources, University of Arizona, Tucson, AZ 857210043, USA
Summary
1 The relative roles of climate and management for driving changes in woody cover in
savannas over the past century are the subject of active debate. Perspectives arising from
short-term, small-scale, local experiments are rarely tested over larger scales and longer
time frames.
2 Regression analysis and aerial photography were used to assess the relative importance
of land-use history (fire and grazing), rainfall and initial woody cover (woody cover at
the beginning of a sample period relative to the range of woody cover expressed within
a land type) in accounting for rates of change in overstorey and understorey cover

  

Source: Archer, Steven R. - Savanna/Woodland Ecology Lab., School of Natural Resources and the Environment, University of Arizona

 

Collections: Environmental Sciences and Ecology