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Soil Scientist Cards

Dr. Mary Beth Adams, Soil Scientist / Forester


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  • Ph. D., North Carolina State University 
  • USDA Forest Service Scientist
  • Forest soil scientists study the connections of soil with forest ecosystems.  Soil sustains life.  I try to understand what it takes to keep forests healthy and productive.


Dr. Claudia Cotton, Forest Soil Scientist

Dr. Claudia Cotton, Forest Soil Scientist
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Dr. Claudia Cotton, Forest Soil Scientist

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  • Ph.D., Virginia Tech
  • USDA Forest Service Scientist
  • Forest soil scientists observe, measure, and analyze forest soils.  We do this to make sure that forest management activities, such as trail building and timber harvesting, do not negatively affect the forest soil. 


Dr. Grizelle Gonzalez, Soil Ecologist


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  • Ph.D., University of Colorado at Boulder
  • USDA Forest Service Scientist
  • A soil ecologist studies how living and nonliving factors (and their interactions) affect the functioning of the soil environment.


Dr. Quin Holifield, Soil Scientist


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  • Ph.D., State University of New York College of Environmental Science and Forestry (SUNY/CESF)
  • USDA Forest Service Scientist
  • Soil scientists are concerned with the physical, chemical, and biological characteristics and behavoir of soils and their management for both agricultural and nonagricultural uses.


Dr. Randy Kolka, Research Soil Scientist

Dr. Randy Kolka, Research Soil Scientist
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Dr. Randy Kolka, Research Soil Scientist

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  • Ph.D., University of Minnesota
  • USDA Forest Service Scientist
  • Soil scientists study how soils influence the cycling of water, nutrients, carbon, pollutants, and other materials.  We also study similarities and differences among different soil types. 


Dr. Dan Neary, Soil Scientist & Hydrologist


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  • Ph.D., Michigan State University
  • USDA Forest Service Scientist
  • A soil scientist studies the physical, chemical, and biological aspects of soils, how they are classified, how they function, and how water moves through them.  A hydrologist studies all the aspects of the quantity and quality of water cycle from precipitation to streamflow to groundwater.


Dr. Debbie Page-Dumroese, Soil Scientist


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  • Ph.D., The University of Idaho
  • USDA Forest Service Scientist
  • Forest Service soil scientists study how soil is interrelated to how plants grow, how harvesting changes the soil, and how we can improve forest health by taking care of the soil.


Dr. Sharon Parker, Soil Microbiologist

Dr. Sharon Parker, Soil Microbiologist
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Dr. Sharon Parker, Soil Microbiologist

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  • Ph.D., Cornell University
  • USDA Forest Service Scientist
  • Program Leader for Science Synthesis
  • A soil microbiologist studies the diverse groups of organisms in soil, their functions, and their effect on soil structures, soil properties, and plant growth. 


Dr. Andy Scott, Research Soil Scientist


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  • Ph.D., Virginia Tech
  • USDA Forest Service Scientist
  • A soil scientist studies soil properties and processes and how they change in response to management actions, and how they influence other parts of the forest.

Dr. Dexter Strother, Forest/Soil Ecologist

Dexter Strother, Forest/Soil Ecologist
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Dexter Strother, Forest/Soil Ecologist

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  • Ph.D., University of Georgia
  • USDA Forest Service Scientist
  • As a forest and soil ecologist, I am interested in how forest management practices impact soils. 

Melanie Taylor, Soil Ecologist

Melanie Taylor, Soil Ecologist
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Melanie Taylor, Soil Ecologist

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  • M.S., University of Georgia
  • USDA Forest Service Scientist
  • A soil ecologist studies how soil interact with the organisms that live in and on them.

 


Dr. Carl Trettin, Soil Ecologist

Dr. Carl Trettin, Soil Ecologist
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Dr. Carl Trettin, Soil Ecologist

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  • Ph.D., North Carolina State University
  • USDA Forest Service Scientist
  • Soil ecologists focus on understanding the interaction between soils, water resources, ecosystem productivity, and biodiversity to ensure sustainable landscapes.  Soil is the foundation for our agricultural and forest ecosystems.