@inbook{ee25094975664d8eaca3edd42d6d9941,
title = "Flux-Based ozone risk assessment for adult beech and spruce forests",
abstract = "Rising tropospheric ozone (O3) concentrations pose a critical threat to forest ecosystems. A stomatal flux-based risk evaluation methodology at leaf level was established recently in the context of the Convention on Long-Range Transboundary Air Pollution. This study demonstrates improvement and validation of the stomatal flux-effect approach for European beech and Norway spruce with results from the 8-year free-air O3 enrichment experiment at Kranzberg Forest (Germany). Based on the recommended O3/water vapour diffusivity ratio of 0.663, provisional corrected flux-effect functions for beech and spruce were deduced. Comparison of observed and modelled loss in annual growth under twice-ambient O3 exposure relative to whole-stem productivity under ambient O3 seems to confirm the Convention's leaf-level stomatal flux approach and the associated response function for Norway spruce up to twice-ambient O3 exposure. For European beech, it must be emphasized that the Convention's methodology may underestimate the risk for loss in whole-stem productivity.",
keywords = "European beech, LRTAP Convention, Model validation, Norway spruce, Ozone, Risk assessment",
author = "Ludger Gr{\"u}nhage and Rainer Matyssek and Gerhard Wieser and H{\"a}berle, {Karl Heinz} and Michael Leuchner and Annette Menzel and Jochen Dieler and Hans Pretzsch and Winfried Grimmeisen and Lothar Zimmermann and Stephan Raspe and Matthias Schr{\"o}der",
note = "Funding Information: The modelling work of Matthias Schr{\"o}der was supported by the German Federal Environment Agency (Umweltbundesamt, FKZ: 3711 63 235). The free-air O 3 enrichment experiment at Kranzberg Forest was funded by {\textquoteleft}Bayerisches Staatsministerium f{\"u}r Umwelt, Gesundheit und Verbraucherschutz{\textquoteright}, by {\textquoteleft}Deutsche Forschungsgemeinschaft{\textquoteright} (DFG) through SFB 607 {\textquoteleft}Growth and Parasite defence—Competition for Resources in Economic Plants from Agronomy and Forestry{\textquoteright}, and through the Project {\textquoteleft}CASIROZ—The carbon sink strength of beech in a changing environment: Experimental risk assessment by mitigation of chronic ozone impact{\textquoteright}, supported by the European Commission{\textquoteright}s Directorate-General for Research, Environment Programme, {\textquoteleft}Natural Resources Management and Services{\textquoteright} (EVK2-2002-00165, Ecosystem Vulnerability).",
year = "2013",
doi = "10.1016/B978-0-08-098349-3.00012-8",
language = "English",
series = "Developments in Environmental Science",
publisher = "Elsevier Ltd",
pages = "251--266",
booktitle = "Developments in Environmental Science",
}