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The carbon sink strength of beech in a changing environment: experimental risk assessment of mitigation by chronic ozone impact.

The carbon sink strength of beech in a changing environment: experimental risk assessment of mitigation by chronic ozone impact.

Objective

The vulnerability of adult beech is to be clarified at Central-European forest conditions to chronic O3 impact. O3 as acting in "Global Change" may constrain the C sink strength under expected atmospheric CO2 enrichment. A novel "Free-Air Canopy O3 Exposure" system, creating an enhanced O3 regime within the canopy ensures the analysis of O3-induced responses relevant for tree C balance. O3 flux into leaves will be validated against AOT40. Responses across cell, organ and whole-tree level will be assessed with molecular, biochemical and ecophysiological methods. Additional exposure of young beech within the canopy and branch curette fumigations will validate previous O3 studies. Evidence will be incorporated into mechanistic modelling that scales to the stand level and quantifies O3 impact for "Global Change" scenarios. This process-based risk assessment will guide policy making.

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Coordinator

TECHNICAL UNIVERSITY OF MUNICH

Address

Am Hochanger 13
85 354 Freising

Germany

Administrative Contact

Albert BERGER (Mr.)

Participants (8)

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ALBERT-LUDWIGS-UNIVERSITAET FREIBURG

Germany

FEDERAL RESEARCH AND TRAINING CENTRE FOR FORESTS, NATURAL HAZARDS AND LANDSCAPE

Austria

KARL-FRANZENS-UNIVERSITAET GRAZ

Austria

SLOVENIAN FORESTRY INSTITUTE

Slovenia

TECHNICAL UNIVERSITY OF MUNICH

Germany

TECHNICAL UNIVERSITY OF MUNICH

Germany

UNIVERSITAIRE INSTELLING ANTWERPEN - UNIVERSITEIT ANTWERPEN

Belgium

University of Cambridge

United Kingdom

Project information

Grant agreement ID: EVK2-CT-2002-00165

  • Start date

    1 October 2002

  • End date

    31 January 2006

Funded under:

FP5-EESD

  • Overall budget:

    € 1 935 405

  • EU contribution

    € 1 622 936

Coordinated by:

TECHNICAL UNIVERSITY OF MUNICH

Germany