About SBI Research:

The Subsurface Biosphere and Global Chemical Cycles

Diagram of SBI research areas.
Link to Sustainable Natural Resources

OSU Researchers Working in this Area

Researcher Expertise
Daniel Arp
Department of Botany and Plant Pathology
Nitrification; agriculturally and environmentally relevant microbial biochemistry and physiology, bioremediation.
John Baham
Department of Crop and Soil Science
Reductive dissolution(and oxidation) of Fe and Mn oxide minerals in seasonally reduced soils.
Peter Bottomley
Department of Microbiology
Physiology and ecology of bacteria that inhabit the surface and subsurface soil environment, and especially those bacteria involved in the nitrogen cycle and biodegradation of xenobiotic compounds.
Robert Collier
College of Oceanic and Atmospheric Sciences
Marine Biogeochemistry, from cold seeps and hydrates to high temperature hydrothermal systems.
Rick Colwell
College of Oceanic and Atmospheric Sciences
Microbial ecology, subsurface microbiology, geomicrobiology, bioremediation.
Kermit Cromack
Department of Forest Science
Decomposition and nutrient cycling processes in forest ecosystems; N2- fixation in forest soils; soil animals as ecosystem components; role of saprophytic and mycorrhizal fungi in nutrient cyclingprocesses; role of cations in forest nutrition.
Roger Ely
Department of Biological and Ecological Engineering
Metabolic responses in nitrifying bacteria; Bio-based hydrogen energy systems.
Roy Haggerty
Department of Geosciences
Exchange of water between streams and the shallow subsurface (the hyporheic zone), on nitrate transport through sediments below agricultural lands in Oregon, groundwater flow modeling, and on the physics of solute transport in highly heterogeneous materials.
Mark Harmon
Department of Forest Science
Ecosystem succession processes, decomposition, nutrient cycling, carbon dynamics, landscape dynamics.
Markus Kleber
Department of Crop and Soil Science
Poorly crystalline mineral phases in soils and what role they play in the biosphere.
Gary Klinkhammer
College of Oceanic and Atmospheric Sciences
Marine geologist and marine chemist, interested in chemical reactions in sediments and hydrothermal vents. Projects available for students who are fluent in chemistry and interested in technology starting fall 2005.
Kate Lajtha
Department of Botany and Plant Pathology
Nutrient cycling in natural and human-disturbed ecosystems, soil organic matter dynamics, forest biogeochemistry.
Beverly Law
Department of Forest Science
Ecosystem processes, including carbon and water cycling (e.g. photosynthesis, transpiration by trees and shrubs, autotrophic and heterotrophic respiration).
James McManus
College of Oceanic and Atmospheric Sciences
Past climate and geochemical cycles, modern geochemical processes in the ocean, estuaries, rivers, and lakes.
David Myrold
Department of Crop and Soil Science
Diversity, ecology, and functioning of microorganisms in soil; particularly as they relate to the cycling of N and C in soils of forest and agricultural ecosystems.
Luis Sayavedra-Soto
Department of Botany and Plant Pathology
Molecular biology, biochemistry and physiology of microorganisms that are capable of alkane oxidation and of microorganisms in the nitrogen cycle.
Phil Sollins
Department of Forest Science
Forest ecosystems analysis including primary production, nutrient cycling, decomposition, and social/ecological interactions.
Joey Spatafora
Department of Botany and Plant Pathology
Molecular systematics and population genetics of fungi.
Marta Torres
College of Oceanic and Atmospheric Sciences
Exploration of cold seepage at convergent and transform margins; gas hydrate dynamics.

Read more about OSU research in this area:

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