<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Ferretti, M.</style></author><author><style face="normal" font="default" size="100%">Fagnano, M.</style></author><author><style face="normal" font="default" size="100%">Amoriello, T.</style></author><author><style face="normal" font="default" size="100%">Badiani, M.</style></author><author><style face="normal" font="default" size="100%">Ballarin-Denti, A.</style></author><author><style face="normal" font="default" size="100%">Buffoni, A.</style></author><author><style face="normal" font="default" size="100%">Bussotti, F.</style></author><author><style face="normal" font="default" size="100%">Castagna, A.</style></author><author><style face="normal" font="default" size="100%">Cieslik, S.</style></author><author><style face="normal" font="default" size="100%">Costantini, A.</style></author><author><style face="normal" font="default" size="100%">De Marco, A.</style></author><author><style face="normal" font="default" size="100%">Gerosa, G.</style></author><author><style face="normal" font="default" size="100%">Lorenzini, G.</style></author><author><style face="normal" font="default" size="100%">Manes, F.</style></author><author><style face="normal" font="default" size="100%">Merola, G.</style></author><author><style face="normal" font="default" size="100%">Nali, C.</style></author><author><style face="normal" font="default" size="100%">Paoletti, E.</style></author><author><style face="normal" font="default" size="100%">Petriccione, B.</style></author><author><style face="normal" font="default" size="100%">Racalbuto, S.</style></author><author><style face="normal" font="default" size="100%">Rana, G.</style></author><author><style face="normal" font="default" size="100%">Ranieri, A.</style></author><author><style face="normal" font="default" size="100%">Tagliaferri, A.</style></author><author><style face="normal" font="default" size="100%">Vialetto, G.</style></author><author><style face="normal" font="default" size="100%">Vitale, M.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Measuring, modelling and testing ozone exposure, flux and effects on vegetation in southern European conditions--what does not work? A review from Italy.</style></title><secondary-title><style face="normal" font="default" size="100%">Environmental pollution (Barking, Essex : 1987)</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">AOTx</style></keyword><keyword><style  face="normal" font="default" size="100%">Critical levels</style></keyword><keyword><style  face="normal" font="default" size="100%">Effects</style></keyword><keyword><style  face="normal" font="default" size="100%">Mediterranean Region</style></keyword><keyword><style  face="normal" font="default" size="100%">Ozone</style></keyword><keyword><style  face="normal" font="default" size="100%">Stomatal flux</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2007</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2007///</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.ncbi.nlm.nih.gov/pubmed/16889878</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">146</style></volume><pages><style face="normal" font="default" size="100%">648 - 658</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Ozone (O3) exposure at Italian background sites exceeds UN/ECE concentration-based critical levels (CLe(c)), if expressed in terms of AOT40. Yet the occurrence of adverse effects of O3 on forests and crops is controversial. Possible reasons include (i) ability of response indicators to provide an unbiased estimate of O3 effects, (ii) setting of current CLe(c) in terms of cut-off value and accumulation level, (iii) response functions adopted to infer a critical level, (iv) environmental limitation to O3 uptake and (v) inherent characteristics of Mediterranean vegetation. In particular, the two latter points suggest that critical levels based on accumulated stomatal flux (CLe(f)) can be a better predictor of O3 risk than CLe(c). While this concept is largely acknowledged, a number of factors may limit its applicability for routine monitoring. This paper reviews levels, uptake and vegetation response to O3 in Italy over recent years to discuss value, uncertainty and feasibility of different approaches to risk assessment.</style></abstract><issue><style face="normal" font="default" size="100%">3</style></issue><notes><style face="normal" font="default" size="100%">The following values have no corresponding Zotero field:&lt;br/&gt;accession-num: 16889878</style></notes></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Bussotti, F.</style></author><author><style face="normal" font="default" size="100%">Ferretti, M.</style></author><author><style face="normal" font="default" size="100%">COZZI, A.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Crown status of holm oak (Quercus ilex L.) trees as related to phenology and environmental stress</style></title><secondary-title><style face="normal" font="default" size="100%">Water, Air, &amp; Soil …</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">abscission</style></keyword><keyword><style  face="normal" font="default" size="100%">crown condition</style></keyword><keyword><style  face="normal" font="default" size="100%">holm oak (voyant)</style></keyword><keyword><style  face="normal" font="default" size="100%">leaves</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1995</style></year><pub-dates><date><style  face="normal" font="default" size="100%">1995///</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.springerlink.com/index/p7472u8l15164pk6.pdf</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">85</style></volume><pages><style face="normal" font="default" size="100%">1269 - 1274</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">In order to study the possible interactions between air pollution and climate coaditions in Mediterranean evergream broadleaf species, since 1987 we have been monitoring the annual and infra-annual variations in crown density of Quercus ilex L. (holm oak) in a permanent sample plot. The behaviour of crown density has been compared with litterfall pattern and aging processes in leaves. The results of this study confirm the important impact of climate on crown condition in Meditea-raneeaa broadleaves, so that even the role of non- acute pollution can be disguised. Xeromorph adaptations in holm oak leaves are also a mechanism providing a greater protection against poltutants.</style></abstract></record></records></xml>