NOAA Climate and Global Change Postdoctoral Fellowship
Program. 2003-2005. Impact of woody plant proliferation
and land use history on soil C pools and processes. CO-PI
USDA Managed Ecosystems Postdoctoral Fellowship Program.
2003-2005. Carbon and nitrogen dynamics in rangelands: effects of
contrasting grazing and brush management practices. CO-PI
NSF-Ecosystems. 2002. Research Experience for
Undergraduates. DEB-9981723. CO-PI
NSF-Ecology. 2002. Research Experience for Undergraduates.
DEB-9815607. PI
NASA LCLUC-Carbon Cycle Initiative. 2001-2004. Regional NPP and Carbon Stocks in South-western USA Rangelands:
Land-use Impacts on the Grassland-Woodland Balance. CO-PI
National
Center for Ecological Analysis & Synthesis. Interactions
in mixed tree-grass systems. CO-PI
NSF-Ecology. 1999-2001.
Facilitation, competition and woody patch dynamics in a savanna
parkland. PI
NASA/EOS.1991-2001. Using
multi_sensor data to model factors limiting carbon balance inglobal
arid and semi-arid lands.(NAGW-2662). CO-PI
NASA Land Cover Land Use Change
Program. 1997 - 2000. Quantifying grassland to woodland
transitionsand the implications for carbon and nitrogen dynamics
in the South Western United States. CO-PI
USDA/National Research Initiative. 1996 - 1999. Historic change in tree / grass abundance: implication
for C and N storage. PI
USDA / CSRS Rangeland Research
Program. 1996 - 1999. Quantification of vegetation transitions
and thresholds on diverse landscapes. PI
The Texas Nature Conservancy. 1996-1997. Woody plant invasion
in a south Texas savanna: pattern and process. PI
TAMU Faculty Mini-Grant Program. 1996. New tools for climate
/ vegetation reconstruction in arid lands. (FMG 96 -64). PI
Rob & Bessie Welder Wildlife Foundation. 1995-1997.
Ecology of brush invasion in southTexas. PI
USDA/CSRS Rangeland Research Program. 1995-1998. Hydrologic
mechanisms determiningplant species interactions in grazed savannas.
CO-PI
USDA/Soil Conservation Service. 1995. Analysis of rangeland
woody plant elements in 3rdResource Conservation Act appraisal.
PI
USDA/CSRS Rangeland Research Program. 1994-1996. Tree/shrub
influence on the nitrogencycle of a subtropical savanna ecosystem.
CO-PI
Texas Higher Education Coordinating Board Advanced Research
Program. 1994-1996. Vegetation dynamics, land cover and tropospheric
chemistry. (999902126). PI
USDA/Soil Conservation Service. 1994. Analysis of rangeland
woody plant elements in 3rdResource Conservation Act appraisal.
(68-3A75-4-15). PI
USDA/Soil Conservation Service. 1993. Analysis of rangeland
woody plant elements in 3rdResource Conservation Act appraisal.(68-3A75-4-15).
PI
USDA/CSRS Rangeland Research Program. 1993-1995. Spatial
modeling of succession in asubtropical savanna: an integrated approach.
(93-38300-8730-9304280). PI
DOE/National Institute for Global Environmental Change. 1993-1994. Land cover change andregional tropospheric chemistry.(DE-F03-90ER61010).
PI
USDA/National Research Initiative. 1992-1995. A demographic
basis for monitoring vegetationchange in grassland communities.(92-37101-7463).
CO-PI
NASA/Graduate Student Research Program. 1990-92. Using multi-sensor
data to model effectsof biomass combustion on ecosystem dynamics.
PI
Texas Nature Conservancy. 1990-91. Plant communities of
the Mesquite Brushland Preserve,Duvall, Co., Texas. PI
NSF/Ecosystems. 1991-94. Spatial dynamics at individual
and landscape levels: vegetationcluster processes in semi-arid ecosystems.
(BSR-9109240). CO-PI
USDA/CSRS Southern Region Integrated Pest Management Program. 1990-1992. Manipulationof cattle-vegetation-tick interactions:
unexplored IPM strategies. (90-34103-4979). CO-PI
USDA/CSRS Rangeland Research Program. 1989-1991. Dissemination
of seed by cattle: potentials for rangeland revegetation (continuation).(89-38300-405).
CO-PI
USDA/CSRS Rangeland Research Program. 1989-1992. Succession
on mixed-shrublands:reconstructing the past and predicting the future.(89-38300-4508).
PI
USDA/CSRS Rangeland Research Program. 1988-89. Dissemination
of seed by cattle: potentialsfor rangeland revegetation.(88-38300-3625).
CO-PI
USDA/CSRS Rangeland Research Program. 1986-89. An ecological
basis for a workingbionomic model.(86-2-2925). PI
