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Environments Journal of Arid Environments 72 (2008) 314325
 

Summary: Journal of
Arid
Environments
Journal of Arid Environments 72 (2008) 314325
Tree (Prosopis glandulosa) effects on grass growth:
An experimental assessment of above- and belowground
interactions in a temperate savanna
M.T. Simmonsa,, S.R. Archera,1
, W.R. Teagueb
, R.J. Ansleyb
a
Department of Rangeland Ecology and Management, Texas A&M University, 2126 TAMU, College Station, TX 77840-2126, USA
b
Texas Agricultural Experiment Station, P.O. Box 1658, Vernon, TX 76384, USA
Received 3 January 2007; received in revised form 1 July 2007; accepted 16 July 2007
Available online 10 September 2007
Abstract
Savanna trees can impose above- and belowground effects on the herbaceous layer by changing water, nutrients and
microclimate. Proposed mechanisms governing savanna tree-on-grass interactions include: (1) improved fertility and
structure of soils below tree crowns; (2) improved water relations of shaded plants; and (3) increased competition for light,

  

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

 

Collections: Environmental Sciences and Ecology