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A CO2 Concentration Gradient Facility for Testing CO2 Enrichment and Soil Effects on Grassland Ecosystem Function
 

A CO2 Concentration Gradient Facility for Testing CO2 Enrichment and Soil Effects on Grassland Ecosystem Function

Article DOI: 10.3791/53151-v • 10:19 min • November 21st, 2015
November 21st, 2015 •
1, 2, 2, 1, 1
1USDA-ARS, Grassland Soil and Water Research Laboratory, 2Department of Integrative Biology, University of Texas at Austin

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The Lysimeter Carbon Dioxide Gradient Facility creates a 250 to 500 µl L-1 linear carbon dioxide gradient in temperature-controlled chambers housing grassland plant communities on clay, silty clay, and sandy soil monoliths. The facility is used to determine how past and future carbon dioxide levels affect grassland carbon cycling.

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CO2 Concentration Gradient Facility CO2 Enrichment Soil Effects Grassland Ecosystem Function Atmospheric Carbon Dioxide Concentrations Ecosystem Responses Landscape Variation Lysimeter Carbon Dioxide Gradient Facility Blackland Prairie Plant Communities Clay Soil Silty Clay Soil Sandy Soil Photosynthesis Temperature-controlled Chambers Air Flow Rate Photosynthetic Capacity Water Stress Economical Alternative Greenhouse Gases
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