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Education :
Ph.D., 1975, Univ. North Carolina, Chapel Hill (Environ.
Science & Eng.)
M.S., 1971, Auburn University (Plant Physiology)
1969, Auburn University (B.S. Botany)
Professional Experience:
1984-present : Plant Physiologist USDA-ARS-NSDL
1984-present : Affiliate
Professor Agronomy & Soils, Auburn Univ.
1992-present : Affiliate
Professor Forestry & Wildlife Sci.,
Auburn Univ.
1994-present : Adjunct Professor Biology, Duke University
1975-76 : Environmental Engineer Research Triangle
Institute
Professional
Activities:
Brief description of research program
and goals: My assignment is that of Research Leader (August
1999), in the USDA-ARS National Soil Dynamics Laboratory
(NSDL), Auburn, Alabama. As Research Leader, I provide
leadership for the Unit and coordinate the Unit's research
programs. The mission of the NSDL is to develop technologies
and strategies for managing soils that increase adoption
of sustainable production/cropping systems, particularly
conservation systems reducing economic risks and farm
production costs; improve soil quality and productivity;
increase available water to plants and reduce risks from
short-term droughts; and relate agriculture to global
environmental change. NSDL contributes to the Agency's
global change initiative, which includes both agro-ecosystems
and natural ecosystems such as forests and rangelands.
My assignment is to reduce uncertainty regarding: (1)
the effects of rising atmospheric CO 2 concentration
on crop production and food security, and (2) the role
of agronomic ecosystems in the sequestration of atmospheric
CO 2 by soil. Specifically, my assignment encompasses
the determination of the effects of atmospheric CO 2
level on belowground processes which control crop productivity
and carbon/nutrient cycling, including structure and
function of root systems, soil microorganisms, soil carbon
dynamics, and CO 2 -induced soil responses. Both edaphic
and micrometeorological aspects of the entire crop system
are being studied. I plan and conduct in-depth research
to develop new knowledge relevant to this area of science.
| Professional Societies Membership: |
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Member, Editorial Board, Global Change Biology ,
1995-present.
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Member, Editorial Board, Agronomy Journal . Associate
Editor, 1991-94.
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Member, Editorial Board, Environmental Pollution .
1991-1999.
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Member, Editorial Board, Journal of Environmental Quality,
Associate Editor. 1992-1998.
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Member of EE-2: Ecological Committee, Air and Waste Management Association,
1978-present.
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Member of Southern Regional Plant Root Environment Group (SRIEG-25),
1984-present.
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Member of the Advisory Board of The National Institute for Global
Environmental Change, Southeast Regional Center, 1992-95 and 2001-2003.
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Member of Soil/EnviroCARS, Synchrotron X-ray Sources in Soil Science
Research, NCR-174, 1993-present.
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Member of Technical Oversight Committee, Southern Appalachian Mountains
Initiative, 1995-97.
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Member of ES-4: Global Sustainable Development Committee, Air and
Waste Management Association, 1997-present.
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Member of Scientific Advisory Committee, Great Plains Regional Center
for Global Environmental Change, 2002-present.
- Member of Soil Science Society of America Committee to plan future soils
exhibit for the Smithsonian Institution, 2002-present.
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