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Crop and Soil Science/Horticulture Seminar (Harward Lecture)

For the 2018-2019 Harward Lecture, Randy Dahlgren (Professor, University of California, Davis) will be presenting "Biogeochemistry in California Oak Woodland-Annual Grassland Rangelands."

Oak woodland-annual grasslands in California often exist at the interface between urban, wild and agricultural lands and are used extensively for livestock grazing, wildlife habitat and surface water supply.  Strong gradients in biogeochemical processes occur in time and space owing to differences in vegetation (tree vs open grassland) and seasonal changes within the Mediterranean climate. Oak trees create islands of enhance soil quality beneath their canopy through a variety of nutrient-cycling processes. Seasonal rainfall patterns create a temporal discoupling of nutrient cycles owing to sharply contrasting differences between biological demand and seasonal rainfall patterns. Understanding biogeochemical processes at the ecosystem scale provides insights to enhance management activities for various ecosystem services.


Monday, February 4 at 4:00pm to 5:00pm

Agricultural & Life Sciences Building, 4000
2750 SW Campus Way, Corvallis, OR 97331

Event Type

Lecture or Presentation

Event Topic

Academic, Research


Community, Faculty and Staff, Student

Department of Crop & Soil Science, Department of Horticulture
Contact Name

Emmalie Goodwin

Contact Email

Contact Phone


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