OzFACE: the Australian savanna free air CO2 enrichment facility and its relevance to carbon-cycling issues in a tropical savanna

C. Stokes, A. Ash, Mark Tibbett, J. Holtum

    Research output: Contribution to journalArticle

    18 Citations (Scopus)

    Abstract

    A free air CO2 enrichment (FACE) facility has recently been constructed in a tropical savanna in north-eastern Queensland, Australia. The system has a novel and cost-effective design and uses an industrial source of pure CO2 piped directly to the site. We describe the design details of this facility and assess the likely contribution it will make towards advancing our understanding of the direct impacts of rising atmospheric CO2 on savannas. These include addressing uncertainties about future shifts in the tree - grass balance and associated changes in carbon stocks, responses of C4 grasses in dry tropical environments, potential sequestration of soil carbon, and the modi. cations of CO2 responses by moisture and nutrient interactions. Tropical regions have been poorly represented in climate change research, and the work at the OzFACE facility will complement existing and ongoing FACE studies at temperate latitudes.
    Original languageEnglish
    Pages (from-to)677-687
    JournalAustralian Journal of Botany
    Volume53
    Issue number7
    DOIs
    Publication statusPublished - 2005

    Fingerprint

    savanna
    savannas
    carbon dioxide
    grass
    air
    tropical environment
    carbon
    tropical region
    soil carbon
    cation
    moisture
    climate change
    nutrient
    grasses
    nutrient-nutrient interactions
    cost
    carbon sequestration
    carbon sinks
    Queensland
    tropics

    Cite this

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    abstract = "A free air CO2 enrichment (FACE) facility has recently been constructed in a tropical savanna in north-eastern Queensland, Australia. The system has a novel and cost-effective design and uses an industrial source of pure CO2 piped directly to the site. We describe the design details of this facility and assess the likely contribution it will make towards advancing our understanding of the direct impacts of rising atmospheric CO2 on savannas. These include addressing uncertainties about future shifts in the tree - grass balance and associated changes in carbon stocks, responses of C4 grasses in dry tropical environments, potential sequestration of soil carbon, and the modi. cations of CO2 responses by moisture and nutrient interactions. Tropical regions have been poorly represented in climate change research, and the work at the OzFACE facility will complement existing and ongoing FACE studies at temperate latitudes.",
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    OzFACE: the Australian savanna free air CO2 enrichment facility and its relevance to carbon-cycling issues in a tropical savanna. / Stokes, C.; Ash, A.; Tibbett, Mark; Holtum, J.

    In: Australian Journal of Botany, Vol. 53, No. 7, 2005, p. 677-687.

    Research output: Contribution to journalArticle

    TY - JOUR

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    AU - Tibbett, Mark

    AU - Holtum, J.

    PY - 2005

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