U.S. Department of Energy, Office of Science

Program for Ecosystem Research

Previously Funded Research Projects

The program's completed research projects, or ongoing research projects that are now being supported by other funding sources, are listed below in alphabetic order by principal investigator. Accomplishments of these projects are documented in program publications (see Publications); some results are also described at the Program Results web page.

Responses of soil microorganisms and microbial-mediated processes during succession to elevated CO2 in a Mediterranean-type ecosystem

Michael F. Allen; San Diego State University and University of California, Riverside; 1993-1999 (ER61669 and ER62756)

Improved prediction of temperate deciduous forest ecosystem response to increasing atmospheric CO2 concentration and climatic change: tools for scaling up

Jeffrey S. Amthor; Lawrence Livermore National Laboratory and Oak Ridge National Laboratory; 1995-2001

Plant nitrogen budgets under elevated carbon dioxide levels: regulation by nitrogen absorption and assimilation

Hormoz BassiriRad; New Mexico State University and University of Illinois at Chicago; 1995-1998 (ER62126 and ER62332); and Arnold J. Bloom; University of California, Davis; 1995-1998 (ER62128)

Molecular and process adjustments of N cycling in the shrub-steppe

Harvey Bolton Jr.; Pacific Northwest National Laboratory; 1994-1998

Forest succession in a CO2 enriched environment: growth responses of individual, species, and communities in the Forest-Atmosphere Carbon Transfer and Storage project

James S. Clark; Duke University; 1997-1999 (ER62463)   {website: Duke University FACE experiment}

Homeostatic adjustment of loblolly pine to CO2 enrichment in a forest ecosystem

Evan H. DeLucia; University of Illinois; 1995-2001 (ER62127); and Richard B. Thomas; West Virginia University; 1995-2000 (ER62124)   {website: Duke University FACE experiment}

Sensitivity to change in arid land ecosystems (SCALE)

James R. Ehleringer; University of Utah; 1995-1998 (ER62123)

Source-sink feedbacks in foliar CO2 exchange in a sweetgum stand exposed to elevated atmospheric CO2

Carla A. Gunderson; Oak Ridge National Laboratory; 1997-2001   {website: Oak Ridge National Laboratory FACE experiment}

TARP: identifying critical thresholds for acute response of plants and ecosystems to water stress

Paul J. Hanson; Oak Ridge National Laboratory; 2002-2006   {website: TARP experiment}

Mechanisms of forest ecosystem adjustment to altered precipitation -- Throughfall Displacement Experiment

Paul J. Hanson; Oak Ridge National Laboratory; 1993-2007   {website: Throughfall Displacement Experiment}

Interactive effects of elevated CO2, drought, and high temperature on plant water use efficiency

Theodore C. Hsiao; University of California, Davis; 1993-1995 (ER61687)

Adaptation to the edge of chaos in cells and ecosystems

Stuart A. Kauffman; Santa Fe Institute; 1993-1995 (ER61639)

Genetic analysis of interacting trophic levels in a stressed pinyon-juniper community: a model for examining community responses to rapid and recent environmental changes

Paul Keim; Northern Arizona University; 1994-1996 (ER61849)

Molecular analysis of soil microbial communities under changing environmental conditions

Cheryl R. Kuske; Los Alamos National Laboratory; 1994-2001

Experimental Lakes Area (ELA) mercury isotope study

S.E. Lindberg; Oak Ridge National Laboratory; 1999-2004

Demographic analysis of forest response to climate change

Craig Loehle; Argonne National Laboratory; 1995-1999

Mechanisms controlling the mycorrhizal symbiosis under a changing global environment

R. Michael Miller; Argonne National Laboratory; 1994-2001

Impact of global climate change on ecosystem-level interactions among sympatric plants from all three photosynthetic pathways

Park S. Nobel; University of California, Los Angeles; 1993-1995 (ER61686)

Temperature adjustments in sugar maple: implications for forest succession in a warmer climate

Richard J. Norby and Carla A. Gunderson; Oak Ridge National Laboratory; 1993-2002   {website: Oak Ridge National Laboratory ecosystem warming research}

Environmental, genetic, and ecophysiological variation of western and Utah juniper and their hybrids: a model system for vegetation response to climate change

Robert S. Nowak; University of Nevada, Reno; 1993-1996 (ER61668)

Current and future carbon budgets for tropical rain forests: a cross scale analysis

Steven F. Oberbauer; Florida International University; 1996-2001 (ER62289)

Response of Mediterranean-type ecosystems to elevated atmospheric CO2 and associated climate change

Walter C. Oechel; San Diego State University; 1993-1998 (ER61715)

The dynamics of northeastern forests in a changing climate

Stephen W. Pacala; Princeton University; 1994-1996 (ER61815)

Interaction of biodiversity, CO2 and N on ecosystem functioning

Peter B. Reich; University of Minnesota; 1996-2002 (ER62291)   {website: BioCON}

Effects of changing water and nitrogen inputs on a Mojave Desert ecosystem

Stanley D. Smith; University of Nevada Las Vegas; 2002-2007 (ER63361)   {website: Mojave global change facility}

Climate-ecosystem feedbacks: observational needs and opportunities

Margaret S. Torn; Lawrence Berkeley National Laboratory; 2004-2006

An animal model for genetic/evolutionary response to global climate change

Ward B. Watt; Stanford University; 1993-1996 (ER61667)

Physiological and genetic control mechanisms for plant adaptation to high temperature and elevated CO2

Eduardo Zeiger; University of California, Los Angeles; 1993-1996 (ER61688)

Secondary succession in fallow agricultural soil along a 'natural' carbon dioxide and temperature gradient

Lewis H. Ziska; USDA Agricultural Research Service; 2002-2007 (ER63360)   {website: Crop systems & global change}