Flux-based ozone risk assessment for adult beech forests

Grünhage, Ludger; Matyssek, Rainer; Häberle, Karl‐Heinz; Wieser, Gerhard; Metzger, Ursula; Leuchner, Michael; Menzel, Annette; Dieler, Jochen; Pretzsch, Hans; Grimmeisen, Winfried; Zimmermann, Lothar; Raspe, Stephan

doi:10.1007/s00468-012-0716-5

Cited by 13 publications

(2 citation statements)

References 30 publications

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“…Today, there is consensus that the socalled Phytotoxic Ozone Dose (i.e. the accumulated stomatal flux of ozone above a flux threshold of Y, POD Y ) exposure index provides much stronger relationships with O 3 effects compared to external concentration based exposure indices Simpson et al 2003;Karlsson et al 2003;Ashmore et al 2004;Matyssek et al 2007a;Mills et al 2010;Grünhage et al 2012). Karlsson et al (2007), for example, has demonstrated that the O 3 impact on biomass, as well as on visible injury could be better explained by the accumulated stomatal O 3 uptake flux as compared to the concentration based AOT40 index, for young trees.…”

Section: Forest Conditionmentioning

confidence: 99%

Impacts of acid deposition, ozone exposure and weather conditions on forest ecosystems in Europe: an overview

Vries

Dobbertin

Solberg³

et al. 2014

Plant Soil

169

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Background In 1994, a "Pan-European Programme for Intensive and Continuous Monitoring of Forest Ecosystems" started to contribute to a better understanding of the impact of air pollution, climate change and natural stress factors on forest ecosystems. The programme today counts approximately 760 permanent observation plots including near 500 plots with data on both air quality and forest ecosystem impacts. Scope This paper first presents impacts of air pollution and climate on forests ecosystems as reported in the literature on the basis of laboratory and field research. Next, results from monitoring studies, both at a European wide scale and related national studies, are presented in terms of trends and geographic variations in nitrogen and sulphur deposition and ozone concentrations and the impacts of those changes in interaction with weather conditions on (i) water and element budgets and nutrient-acidity status, (ii) forest crown condition, (iii) forest growth and carbon sequestration and (iv) species diversity of the ground vegetation. The empirical, field based forest responses to the various drivers are evaluated in view of available knowledge.Conclusions Analyses of large scale monitoring data sets show significant effects of atmospheric deposition on nutrient-acidity status in terms of elevated nitrogen and sulphur or sulphate concentrations in forest foliage and soil solution and related soil acidification in terms of elevated aluminium and/or base cation leaching from the forest ecosystem. Relationships of air pollution with crown condition, however, appear to be weak and limited in time and space, while climatic factors appear to be more important drivers. Regarding forest growth, monitoring results indicate a clear fertilization effect of N deposition on European forests but the field evidence for impacts of ambient ozone exposure on tree growth is less clear.

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Section: Forest Conditionmentioning

confidence: 99%

Impacts of acid deposition, ozone exposure and weather conditions on forest ecosystems in Europe: an overview

Vries

Dobbertin

Solberg³

et al. 2014

Plant Soil

169

View full text Add to dashboard Cite

show abstract

“…Exploring aspects of branch-level carbon autonomy, cuvette measurements may serve as crown-level surrogates within the scope of defined methodological pre-cautions to consolidate O 3 uptake algorithms and dose-response functions in modelling tree sensitivity. Grünhage et al (2012) demonstrate advancement of O 3 fluxbased risk assessment in adult beech forests by validating the flux-effect prediction of a soil-vegetation-atmosphere transfer (SVAT)-type model through a database which was acquired during the 8-year free-air O 3 canopy exposure experiment (Karnosky et al 2007) conducted at Kranzberg Forest/Germany (Matyssek et al 2010). Modelled phytotoxic O 3 doses and potential losses in biomass formation were nearly consistent with the outcome using site-unspecific parameterisation, although the analysis indicated high O 3 risk under ambient air.…”

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confidence: 99%