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

查看全文 作　　者：Barbara Baesso [1]Moura;Elisa [1,2]Carrari;Laurence Dalstein-[3]Richier;Pierre [4]Sicard;Stefan [5]Leca;Ovidiu [5,6]Badea;Diana Pitar-[6]Silaghi;Anumol [3]Shashikumar;Marie-Lyne [3]Ciriani;Elena [1]Paoletti;Yasutomo [1]Hoshika 机构地区：[1]aInstitute of Research on Terrestrial Ecosystems(IRET),National Research Council of Italy(CNR),Sesto Fiorentino,Italy;[2]Dipartimento di Scienze e Tecnologie Agrarie,Alimentari Ambientali e Forestali(DAGRI),Universitàdegli Studi Firenze(UNIFI),Firenze,Italy;[3]GIEFS(Groupe International d'Etudes des Forêts Sud-européennes),Nice,France;[4]ARGANS,France;[5]Faculty of Silviculture and Forest Engineering,“Transilvania”University,Braşov,Romania;[6]National Institute for Research and Development in Forestry“Marin Dracea”,Voluntari,Ilfov,Romania 出　　处：《Ecosystem Health and Sustainability》索引2022年第8卷第1期,共15页 基　　金：The work was supported by the Consiglio Nazionale delle Ricerche[4ClimAir(SAC.AD002.173.019),OzonPlant(DTA.AD002.640)];European Commission[MODERn(NEC)(LIFE20 GIE/IT/000091),MOTTLES(LIFE15 ENV/IT/000183)];Fondazione Cassa di Risparmio di Firenze[2013/7956]。 摘　　要：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 onset.The 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 experiment.The O_(3)-like VFIs were evaluated by eye in forests and thus it was subjective.According to the imaging analysis,we firstly demonstrated that major parts of the colors were similar in the field and the FO_(3)X.The color pallets for O_(3)VFI was species-specific and considered a advanced tool for the O_(3)VFI diagnosis.In 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)POD1.This FO_(3)X-derived threshold partly explained but did not necessarily match with the observation for several tree species in actual forests.The 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