Education

Ph.D. Ecology, Department of Ecology and Evolutionary Biology, University of Arizona, Tucson.

1994

M.S. Plant Physiology, Division of Biological Sciences, University of California, Davis.

1986

Diplom Biology, Department of Biology, University of Gottingen, Germany.

1984

Positions

Assistant Professor, Biology Department, Texas State University, San Marcos.

2005 - present

Academic Associate, School of Natural Resources , University of Arizona,Tucson.

2001 - present

Postdoctoral Fellow, Columbia University's Biosphere 2 Center, Oracle, Arizona.

2002 - 2003

Postdoctoral Fellow, Department of Biology, University of Utah, Salt Lake City, Utah.

1997 - 2001

Research Scientist, Institute of Grassland and Environmental Research, Okehampton, UK.

1994-1997

Honors and Awards

John L. Harper Prize for a paper published in Journal of Ecology.

1996

Memberships

Ecological Society of America

British Ecological Society

American Geophysical Union

1990 - present

1994 - present

2001 - present

Grants

Woody encroachment into desert grassland: experimental assessment of the critical seedling establishment phase, NSF (DEB), co-PIs: Steve Archer, Larry Howery, $450,000.

 2005 - 2007

Precipitation pulse effects in arid and semi-arid ecosystems, NSF (DEB) workshop grant, $20,000.

2002

Improving the reliability of non-fertilized grass/clover pasture - a proposed mechanism and its test, Biotechnology and Biological Sciences Research Council, UK, £172,000.

1996 - 1999

Professional Services

Consulting Editor, Plant and Soil
Associate Editor, Journal of Ecology