Contacts
Robert Burns
Associate Professor, Department of Agricultural & Biosystems Engineering
(515) 294-8891 E-mail: rburns@iastate.edu
Responsibilities: Research, Extension
Areas of expertise: Environmental stewardship engineering; development and implementation of manure management systems; nutrient management planning for livestock and poultry operations; measurement of air emissions from animal feeding operations
Joe Colletti
Senior Associate Dean, College of Agriculture and Life Sciences
Professor, Department of Natural Resource Ecology and Management
(515) 294-1823 E-mail: colletti@iastate.edu
Responsibilities: Research, Administration
Areas of expertise: Design and management of vegetative environmental buffer systems for livestock and poultry operations, environmental stewardship planning,
Jay Harmon
Professor / Extension Agricultural Engineer, Department of Agricultural & Biosystems Engineering
(515) 294-0554 E-mail: jharmon@iastate.edu
Responsibilities: Research, Extension, Teaching
Areas of expertise: livestock production systems (conventional and alternative systems), ventilation and air quality within livestock facilities, carcass composting, ambient odor and gas concentrations associated with livestock facilities, siting of new livestock facilities
Jerry Hatfield
Laboratory Director, USDA/ARS National Soil Tilth Laboratory
(515) 294-5723 E-mail: jerry.hatfield@ars.usda.gov
Responsibilities: Lead interdisciplinary federal laboratory that addresses interaction between agricultural management practices and resulting effects on environmental and soil quality
Areas of expertise: Micrometeorology and dynamics of air flow that affect emission and dispersion from agricultural operations; dynamics of greenhouse gas emissions from soil management systems, livestock operations and manure management
Steven Hoff
Professor, Department of Agricultural & Biosystems Engineering
(515) 294-6180 E-mail: hoffer@iastate.edu
Responsibilities: Research (50%) and teaching (50%) in areas of animal housing, air quality, sensors, instrumentation
Areas of expertise: Animal housing, environmental control, air quality, air emissions and odor modeling
Jacek Koziel
Associate Professor, Department of Agricultural & Biosystems Engineering
Phone: (515) 294-4206 E-mail: koziel@iastate.edu
Responsibilities: Research (50%), Teaching (50%) in air pollution, animal production systems, agricultural engineering and technology
Areas of expertise: Air-quality engineering and livestock odor, air quality monitoring, environmental analysis, odor control
John Mabry
Director, Iowa Pork Industry Center / Professor, Department of Animal Science
(515) 294-4103 E-mail: jmabry@iastate.edu
Responsibilities: Research, Extension
Areas of expertise: Statistical analysis of research, experimental design, swine genetic systems, environmentally and economically sustainable swine systems
Richard Pfeiffer
Research Chemist, USDA/ARS National Soil Tilth Laboratory
(515) 294-0136 E-mail: dick.pfeiffer@ars.usda.gov
Responsibilities: Research
Areas of expertise: Development of methods for detection of gases and particulates in the atmosphere; evaluation of methods for monitoring air quality
John Prueger
Research Soil Scientist, USDA/ARS National Soil Tilth Laboratory
(515) 294-7496 E-mail: john.prueger@ars.usda.gov
Responsibilities: Research
Areas of expertise: Micrometeorology of air flow across surfaces, turbulent exchanges and dynamics of complex surfaces that govern emission and dispersion
Tom Sauer
Research Soil Scientist, USDA/ARS National Soil Tilth Laboratory
(515) 294-3416 E-mail: tom.sauer@ars.usda.gov
Responsibilities: Research
Areas of expertise: Land-use change effects on soil carbon storage; soil temperature and water content effects on soil respiration; air flow dynamics near confined animal feeding operations; effects of trees on air flow and odor trapping
Ken Stalder
Associate Professor / Extension Swine Specialist, Department of Animal Science
(515) 294-4683 E-mail: stalder@iastate.edu
Responsibilities: Research, Extension
Areas of expertise: Swine production systems, data analysis and interpretation, animal breeding
Steven Trabue
Research Chemist, USDA/ARS National Soil Tilth Laboratory
(515) 294-0201 E-mail: steven.trabue@ars.usda.gov
Responsibilities: Research
Area of expertise: Air quality/odor; air sampling techniques for speciation of volatile organic compounds and volatile sulfur compounds in air and on particulate matter
John Tyndall
Post-doctoral Research Associate, Department of Natural Resource Ecology and Management
(515) 294-4912 E-mail: jtyndall@iastate.edu
Responsibilities: Research, Teaching
Areas of expertise: Design, placement, efficacy and management of vegetative environmental buffer systems for livestock and poultry operations; environmental stewardship planning
Hongwei Xin
Professor, Department of Agricultural & Biosystems Engineering
3204 National Swine Research and Information Center
(515) 294-4240 E-mail: hxin@iastate.edu
Responsibilities: Research, Extension
Areas of expertise: Measurement, modeling and mitigation of air emissions from animal (particularly poultry) feeding operations, air quality instrumentation, housing and environmental control for enhanced animal welfare and sustained production efficiency
Jeffrey Zimmerman
Professor, Department of Veterinary Diagnostic and Production Animal Medicine
(515) 294-1073 E-mail: jjzimm@iastate.edu
Responsibilities: Research, Education
Areas of expertise: Economics and epidemiology of infectious livestock diseases, disease ecology and the mechanisms by which infectious agents are maintained in host populations