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

DOI:
10.3791/53151-v

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10:19 min

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November 21, 2015

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, , , ,
1USDA-ARS,Grassland Soil and Water Research Laboratory, 2Department of Integrative Biology,University of Texas at Austin

'Bölümler'

  • 00:05'Başlık'
  • 01:10Collecting Soil Monoliths
  • 02:05Establishing Plant Communities on Soil Monoliths
  • 03:17Monolith Chambers
  • 05:07CO2 and Air Temperature Control
  • 05:59Atmospheric CO2 (CA) Treatment and Precipitation Input
  • 08:03Results: Seven Year Study
  • 09:23Conclusion

Özet

'Otomatik Çeviri'

'Otomatik Çeviri'

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.

'Etiketler'

CO2 Concentration GradientLysimeter Carbon Dioxide Gradient FacilityAtmospheric Carbon DioxideTerrestrial EcosystemBlackland PrairieSoil EffectsEcosystem FunctionPhotosynthesisAir FlowTemperature ControlWater Stress

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