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Epidemiological derivation of fl ux-based critical levels for visible ozone injury in European forests

Journal of Forestry Research 2020年第5期31卷 1509-1519页

作者： Pierre Sicard Alessandra De Marco Elisa Carrari Laurence Dalstein-Richier Yasutomo Hoshika Ovidiu Badea Diana Pitar Silvano Fares Adriano Conte Ionel Popa Elena Paoletti ARGANS 260 route du Pin Montard06410 BiotFrance ENEA Via Anguillarese 30100123 Santa Maria di GaleriaItaly IRET-CNR Via Madonna del Piano 1050019 Sesto FiorentinoItaly giefs 69 avenue des Hespérides06300 NiceFrance INCDS 128 Eroilor Bvd.077030 VoluntariRomania CREA Viale S.Margherita 8052100 ArezzoItaly

The European MOTTLES project set-up a newgeneration network for ozone(O 3)monitoring in 17 plots in France,Italy and *** monitoring stations allowed:(1)estimating the accumulated exposure AOT40 and stomatal O 3 fl uxes(PODY)with an hourly threshold of uptake(Y)to represent the detoxifi cation capacity of trees(POD1,with Y=1 nmol O 3 m^−2 s^−1 per leaf area);and(2)collecting data of forest-response indicators,*** defoliation and visible foliar O 3-like injury over the time period 2017–*** soil water content was the most important parameter aff ecting crown defoliation and was a key factor aff ecting the severity of visible foliar O 3-like injury on the dominant tree species in a *** soil water content is thus an essential parameter in the PODY estimation,particularly for water-limited *** assessment based on stomatal fl ux-based standard and on real plant symptoms is more appropriated than the exposure-based method for protecting *** fl ux-eff ect relationships,we derived fl ux-based critical levels(CLef)for forest protection against visible foliar O 3-like *** recommend CLef of 5 and 12 mmol m^−2 POD1 for broadleaved species and conifers,*** using PODY as legislative standard in Europe,we recommend using the CLec for≥25%of crown defoliation in a plot:17,000 and 19,000 nmol mol^−1 h AOT40 for conifers and broadleaved species,respectively.

关键词： POD Critical levels Ozone Visible injury Epidemiology

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Bridging experimental and monitoring research for visible foliar injury as bio-indicator of ozone impacts on forests

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Ecosystem Health and Sustainability 2022年第1期8卷 295-309页

作者： Barbara Baesso Moura Elisa Carrari Laurence Dalstein-Richier Pierre Sicard Stefan Leca Ovidiu Badea Diana Pitar-Silaghi Anumol Shashikumar Marie-Lyne Ciriani Elena Paoletti Yasutomo Hoshika aInstitute of Research on Terrestrial Ecosystems(IRET) National Research Council of Italy(CNR)Sesto FiorentinoItaly Dipartimento di Scienze e Tecnologie Agrarie Alimentari Ambientali e Forestali(DAGRI)Universitàdegli Studi Firenze(UNIFI)FirenzeItaly giefs(Groupe International d'Etudes des Forêts Sud-européennes) NiceFrance ARGANS France Faculty of Silviculture and Forest Engineering “Transilvania”UniversityBraşovRomania National Institute for Research and Development in Forestry“Marin Dracea” VoluntariIlfovRomania

Tropospheric ozone(O_(3))is a phytotoxic air pollutant and the O_(3)-induced visible foliar injury(O_(3)VFI)is a biomarker.A recently developed Free-air O_(3)eXposure(FO_(3)X)is a promising facility to verify field-observed“O_(3)-like”VFIs and to establish a flux-based threshold for the O_(3)VFI *** present study compared O_(3)-like VFI registered in the southern European forest sites with actual O_(3)VFI observed in a FO_(3)X *** O_(3)-like VFIs were evaluated by eye in forests and thus it was *** to the imaging analysis,we firstly demonstrated that major parts of the colors were similar in the field and the FO_(3)*** color pallets for O_(3)VFI was species-specific and considered a advanced tool for the O_(3)VFI *** addition,we calculated a flux-based threshold for the O_(3)VFI onset at the FO_(3)X based on a Phytotoxic Ozone Dose(POD_(1)),which ranged from 4.9 to 18.1 mmol m^(-2)*** FO_(3)X-derived threshold partly explained but did not necessarily match with the observation for several tree species in actual *** multivariate analysis showed that O_(3)VFI was decreased by the presence of various species and suggested the importance of continuous monitoring activities in the field for the further analysis.

关键词： Ozone visible foliar injury FO3X MOTTLES forest monitoring

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Correction To: Epidemiological derivation of flux-based critical levels for visible ozone injury in European forests

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Journal of Forestry Research 2022年第5期33卷 1703-1703页

Correction to:***://***/10.1007/s11676-020-01191-x In the Original publication of the article,the authors found an error in the text“We recommend CLef of 5 and 12 mmol m−2 POD1 for broadleaved species and conifers,re... 详细信息

关键词： ozone visible derivation

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