• Nancy and John Steimer Professor of Agricultural Sciences
  • Professor of Forest Ecology and Physiology

Areas of Expertise

  • Global change ecology
  • Assistant Research Professor
  • Wildlife Ecology and Conservation

Areas of Expertise

  • Invasion Ecology
  • Population Genetics
  • Wildlife Ecology
  • Evolution
  • Conservation Biology
  • Animal Coloration
  • Island Biology
  • Professor of Water Resources
  • Co-hire, Institutes of Energy & the Environment
  • Professor of Wildlife Resources
  • Extension Wildlife Specialist

Areas of Expertise

  • Avian ecology
  • Effects of shale gas development on forests and birds
  • forest songbirds
  • Human impacts on bird population
  • Wildlife habitat management on private lands
  • Landscaping for birds and wildlife
  • Associate Professor of Soil Microbiology and Biogeochemistry

Areas of Expertise

  • Soil microbiology
  • Nitrogen cycle
  • Soil quality
  • Ecological restoration
  • Biogeochemistry
  • Assistant Professor of Quantitative Wildlife Ecology

Areas of Expertise

  • Bayesian statistics
  • Hierarchical modeling
  • Applied statistics
  • Movement ecology
  • Demography
  • Terrestrial wildlife ecology
  • Associate Teaching Professor, Ecosystem Science and Management Department
  • Program Director, Appalachian Botany and Ethnobotany, Shaver's Creek Environmental Center

Areas of Expertise

  • Field Botany and Plant Taxonomy, Herbarium Methods
  • Non-timber Forest Products (e.g., Maple Syrup, Medicinal/Culinary Plants and Fungi)
  • Economic Botany and Ethnobotany
  • Plant Husbandry and Horticulture
  • Wild Plant Conservation, Management, and Policy
  • Invasive Plant Ecology, Ethnobotany, and Management
  • Appalachian Forest Plant Biology, Ecology, and Ethnobotany
  • Agroforestry, Forest Farming
  • Professor of Molecular Genetics
  • Director of The Schatz Center for Tree Molecular Genetics

Areas of Expertise

  • Genomics
  • Conservation Genetics
  • Renewable Energy
  • Biotechnology
  • Assistant Professor of Soils and Environmental Microbiology
  • Adjunct Professor of Wildlife Ecology
  • Leader, PA Cooperative Fish & Wildlife Research Unit

Areas of Expertise

  • biometrics
  • white-tailed deer
  • harvest management
  • population estimation
  • Associate Professor of Pedology

Areas of Expertise

  • Soil Science
  • Watershed Management
  • Landscape Ecology
  • Natural Resource Management
  • Associate Professor of Soil Management and Applied Soil Physics
  • Assistant Professor of Hydrology

Areas of Expertise

  • Ecohydrology
  • Hydrology
  • Biogeochemistry
  • Terrain Analysis
  • Water Quality
  • Watershed Management
  • Interim Head and Professor

Areas of Expertise

  • Root biology and ecology
  • Mycorrhizal ecology
  • Plant Physiological Ecology
  • Plant Ecology
  • Global Change Biology
  • Belowground Ecology
  • Fruit tree physiology
  • Professor
  • Ibberson Chair in Urban and Community Forestry
  • Extension Specialist, Community and Urban Forestry
  • Associate Professor of Fisheries Management
  • Associate Director of Academic Programs
  • Assistant Research Professor
  • Watershed Management Extension Specialist

Areas of Expertise

  • Watershed Management
  • Water Quality
  • Nitrogen Cycle
  • Biogeochemistry
  • Conservation Practices
  • Soil-Water Interactions
  • Assistant Teaching Professor
  • Director of Forestlands
  • Professor of Forest Resources

Areas of Expertise

  • Water Energy Food Nexus
  • Bioenergy
  • Agroforestry
  • Forest Economics and Finance
  • International Forestry
  • Forest Extension
  • Non Timber Forest Products
  • Assistant Teaching Professor of Soil Science

Areas of Expertise

  • Soil Morphology
  • Soil Taxonomy
  • Soil Mapping
  • Soil Genesis
  • Pedology
  • Biogeochemistry
  • Potting Media
  • Professor of Soil Biogeochemistry
  • Chair of Ecology Intercollege Graduate Degree Program

Areas of Expertise

  • Ecosystem ecology
  • Nitrogen cycle
  • Carbon cycle
  • Forest ecosystems
  • Sustainable agriculture
  • Associate Professor of Forest Ecology

Areas of Expertise

  • Global change ecology
  • Forest ecology
  • Dendrochronology
  • Community ecology
  • Assistant Research Professor of Wildlife Behavioral Ecology

Areas of Expertise

  • Animal behavior/ behavioral ecology
  • Animal cognition
  • Evolution
  • Neurogenomics
  • Computer Programming
  • Distinguished Professor of Clay Mineralogy

Areas of Expertise

  • Materials from plants and plant by-products
  • Use of clays for remediation;Slow release fertilizers with minerals
  • Assistant Research Professor
  • Fire and Natural Resources Management

Areas of Expertise

  • Fire Ecology
  • Fire Behavior and Effects
  • Assistant Professor of Forest Resource Management

Areas of Expertise

  • Forest Policy and Economics
  • Social and economic values associated with private forests, wildlife and water resources
  • Adjunct Assistant Professor of Wildlife Conservation
  • National Park Service
  • Eastern Rivers and Mountains Network Program Manager
  • Professor of Geography

Areas of Expertise

  • remote sensing
  • GIS
  • soils
  • geomorphology
  • land change
  • Interim Director, Center for Private Forests
  • Assistant Research Professor, Private Forests Management

Areas of Expertise

  • Forest stewardship
  • Private forest landowners
  • Woodland care
  • Collaborative learning
  • Action research
  • Peer-to-peer education
  • Associate Professor, Ecosystem Science and Management

Areas of Expertise

  • Natural Resources Systems Analysis
  • Forest Products Economics
  • Wood Industry Operations Research
  • Wood Identification and Taxonomy
  • Coordinator of Undergraduate Programs and Alumni Relations, and Assistant Teaching Professor
  • Assistant Research Professor

Areas of Expertise

  • Land-Atmosphere Water and Carbon Dioxide Fluxes Modeling
  • Meteorology
  • Model-Data Assimilation
  • Teaching Professor in Forest Resources and
  • Natural Resources & Youth Extension Specialist

Areas of Expertise

  • Youth and Natural Resources Education
  • Forest Stewardship
  • Natural Resources Volunteerism
  • Private Forestland Management
  • Connecting Youth with Nature
  • Forest Dendrology and Botany
  • Professor of Forest Biology
  • Director of The Arboretum at Penn State
  • Adjunct Professor of Fisheries Ecology
  • Assistant Unit Leader, PA Cooperative Fish and Wildlife Research Unit

Areas of Expertise

  • Fisheries ecology
  • Hierarchical modeling
  • Macrosystems ecology
  • Ecological stressors
  • Species of management concern
  • Monitoring and assessment
  • Adjunct Assistant Professor of Wildlife Ecology
  • Assistant Unit Leader,
  • PA Cooperative Fish & Wildlife Research Unit

Areas of Expertise

  • Applied Spatial Ecology
  • Disease Epidemiology
  • Stable Isotope Ecology
  • Professor of Soil Science / Soil Physics / Biogeochemistry

Areas of Expertise

  • Emerging Contaminants
  • Contaminant Fate and Transport
  • Contaminant Transport Modeling
  • Soil and Water Quality
  • Assistant Research Professor
  • Director PAOneStop

Areas of Expertise

  • Agricultural Erosion and Sedimentation Planning
  • Farm Mapping
  • Phosphorus Cycling and Management
  • Nutrient Management Planning
  • Assistant Professor and Extension Specialist, Soil Fertility and Nutrient Management
  • Associate Professor of Silviculture

Areas of Expertise

  • Forestry
  • Silviculture
  • Forest ecology
  • Disturbance ecology