<?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%">Ugolini, Francesca</style></author><author><style face="normal" font="default" size="100%">Tognetti, Roberto</style></author><author><style face="normal" font="default" size="100%">Raschi, Antonio</style></author><author><style face="normal" font="default" size="100%">Bacci, Laura</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Quercus ilex L. as bioaccumulator for heavy metals in urban areas: Effectiveness of leaf washing with distilled water and considerations on the trees distance from traffic</style></title><secondary-title><style face="normal" font="default" size="100%">Urban Forestry &amp; Urban Greening</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Deposition</style></keyword><keyword><style  face="normal" font="default" size="100%">Heavy metals</style></keyword><keyword><style  face="normal" font="default" size="100%">Holm oak</style></keyword><keyword><style  face="normal" font="default" size="100%">Internal concentration</style></keyword><keyword><style  face="normal" font="default" size="100%">Traffic pollution</style></keyword><keyword><style  face="normal" font="default" size="100%">Urban environment</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2013</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2013///</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://linkinghub.elsevier.com/retrieve/pii/S1618866713000587</style></url></web-urls></urls><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">In recent years the use of plants as bioaccumulators or bioindicators has increased because enable the prediction of pollution for monitoring purposes, even in urban environments where traffic is a major source of heavy metals pollution. In this study we hypothesized holm oak (Quercus ilex L.) a valid trapping species for heavy metals. We also hypothesized that metals capture capacity by deposition on the crown is connected to the surrounding environmental characteristics and the distance of trees from the source of pollution. The study was conducted in the city of Florence. Holm oaks were selected in different sites near to heavy traffic roads. Concentrations of Zn, Pb, Cd, Cu, Fe, Mn, Cr, and Ba were analyzed through two methods: leaf washing with distilled water and leaf unwashing. One-year-old leaves (new leaves) were also compared with previous-year leaves (old leaves). Our results demonstrated the good capacity of this species to capture heavy metals (Pb, Fe, Mn, Cr, and Ba), particularly due to the presence of old leaves, which enhance the crown deposition surface. Washing was effective and it allowed testing the behaviour with regard to microelements: new leaves showed high Cu concentration, while old leaves had high Pb concentration. The dispersion of metals through the atmosphere was assessed through regression analysis, in two comparable gardens: leaves at farther distance from the traffic were richer in Zn, Pb, Mn, and Ba. The physical context of the surrounding environment was probably altering the distribution of heavy metals as barriers to dispersion, which can reach tens of metres from the source of pollution. Therefore, this work suggests that wind modelling and trees distribution and characteristics should be taken into consideration to evaluate the pollutants dispersion, especially for planning of recreational urban green areas.</style></abstract><notes><style face="normal" font="default" size="100%">The following values have no corresponding Zotero field:&lt;br/&gt;publisher: Elsevier GmbH.</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%">Campos, Juan a</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Nutrients and trace elements content of wood decay fungi isolated from oak (Quercus ilex).</style></title><secondary-title><style face="normal" font="default" size="100%">Biological trace element research</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Epiphytic fungi</style></keyword><keyword><style  face="normal" font="default" size="100%">Heavy metals</style></keyword><keyword><style  face="normal" font="default" size="100%">Nutrients</style></keyword><keyword><style  face="normal" font="default" size="100%">Nutrition physiology</style></keyword><keyword><style  face="normal" font="default" size="100%">Saprobe fungi</style></keyword><keyword><style  face="normal" font="default" size="100%">Trace Elements</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2011///</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.ncbi.nlm.nih.gov/pubmed/21748305</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">144</style></volume><pages><style face="normal" font="default" size="100%">1370 - 1380</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">The presence of chemical elements and the differences in their concentration in the fruiting bodies of wood decay fungi may reflect their activity either as saprobes or parasites and the intimate physiological relation with the substrate from which they extract their nutrients. In order to test this hypothesis, we carried out a systematic sampling of eight species of wood decay fungi on oak (Quercus ilex). The data show that the concentration of some elements exhibits a very wide range of values for the species tested, which could mean that the relative content of some elements may provide clues about the nature of the substrate and, moreover, about the nutritional physiology. The comparison between the foliar analysis (FA) and the elemental content of fungi may shed light on the specific physiological behaviour of the species. Potassium is an element accumulated in fungal biomass in higher quantities than in the FA. By contrast, calcium appears in foliar analysis in much higher quantities than in fungal fruiting bodies' biomass. Concerning this element, we have also found profound differences between the two species phylogenetic groups and lifestyle. Of all elements measured, we believe that the relative accumulation of K and Ca may be related to the close connection between fungi and the substrate on which they live and may also explain their physiological role as saprobes or parasites. When the lifestyle and the systematic position of the different species sampled were compared, differences also emerged in the content of Na and Ca.</style></abstract><issue><style face="normal" font="default" size="100%">1-3</style></issue><notes><style face="normal" font="default" size="100%">The following values have no corresponding Zotero field:&lt;br/&gt;accession-num: 21748305</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%">Domínguez, Maria Teresa</style></author><author><style face="normal" font="default" size="100%">Madejón, Paula</style></author><author><style face="normal" font="default" size="100%">Marañón, Teodoro</style></author><author><style face="normal" font="default" size="100%">Murillo, José Manuel</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Afforestation of a trace-element polluted area in SW Spain: woody plant performance and trace element accumulation</style></title><secondary-title><style face="normal" font="default" size="100%">European Journal of Forest Research</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Heavy metals</style></keyword><keyword><style  face="normal" font="default" size="100%">mediterranean woody species</style></keyword><keyword><style  face="normal" font="default" size="100%">plant survival</style></keyword><keyword><style  face="normal" font="default" size="100%">relative growth rates</style></keyword><keyword><style  face="normal" font="default" size="100%">soil remediation</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2008</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2008///</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.springerlink.com/index/10.1007/s10342-008-0253-3</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">129</style></volume><pages><style face="normal" font="default" size="100%">47 - 59</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Trace element soil pollution can have ecotoxic eVects on plants, which could negatively aVect the restoration of a degraded area. In this work, we studied the revegetation success in diVerent sites within a trace elementpolluted area (Guadiamar River Valley, SW Spain). We analysed the survival and growth patterns of aVorested plants of seven Mediterranean woody species, and their relation to soil pollution, over 3 years. We also analysed the trace element accumulation in the leaves of these species. The area was polluted mainly by As, Cd, Cu, Pb and Zn (soil total concentrations up to 250, 3.6, 236, 385 and 510 mg kg ¡1 , respectively). The woody plant performance was very diVerent between sites and between species; in the riparian sites, plant survival rates were nearly 100%, while in the upland terrace sites species such as Quercus ilex and Ceratonia siliqua showed the lowest survival rates (less than 30%) and also the lowest relative growth rates. There were no signiWcant relationships between plant performance and soil pollution in the riparian sites, while in the upland sites mortality, but not growth, was related to soil pollution, although that could be an indirect eVect of diVerent substrate alteration between sites. The accumulation of soil pollutants in the studied plants was low, with the exception of Salicaceae species, which accumulated Cd and Zn in the leaves above 1 and 200 mg kg ¡1 , respectively. We discuss the results with regard to the aVorestation of trace-element polluted areas.</style></abstract><issue><style face="normal" font="default" size="100%">1</style></issue></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%">Freisinger, Eva</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Plant MTs-long neglected members of the metallothionein superfamily</style></title><secondary-title><style face="normal" font="default" size="100%">DALTON TRANSACTIONS</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Heavy metals</style></keyword><keyword><style  face="normal" font="default" size="100%">plant metallothioneins</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2008</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2008///</style></date></pub-dates></dates><pages><style face="normal" font="default" size="100%">6663 - 6675</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Occurrence of metallothioneins (MTs) was initially thought to be restricted to the animal kingdom, and the corresponding functions such as detoxification of heavy metal ions were assumed to be taken over in plants by the enzymatically synthesized phytochelatins. This perception was revised in the past years, and the existence of plant metallothioneins is generally accepted. Compared to the vertebrate forms, members of the plant MT family display a significantly larger sequence diversity, however, surprisingly little information is available concerning their possible functions, properties, and structures. Gene expression studies, and thus studies on the mRNA level, are the major source of data aiming at elucidating the function of plant MTs. However, so far it is not possible to unambiguously assign a specific function to a given metallothionein as proposed functions overlap, are complementary to each other, or even contradictory results are obtained. With respect to the structures and properties of plant metallothioneins even less scientific contributions are available illustrating the early stages, in which this research area resides. Existing data covers the metal ion content of the different plant metallothionein species and the pH stabilities of the resulting metal-thiolate clusters. Further, for a limited selection of proteins the number of clusters formed has been proposed and predictions towards the secondary structure of the protein backbone made. A recently determined three-dimensional structure of the larger domain of the wheat metallothionein E(c)-1 describes a metal ion coordination mode unprecedented for any metallothionein so far.</style></abstract><issue><style face="normal" font="default" size="100%">47</style></issue><notes><style face="normal" font="default" size="100%">APSAPSThe following values have no corresponding Zotero field:&lt;br/&gt;pub-location: THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND&lt;br/&gt;publisher: ROYAL SOC CHEMISTRY</style></notes></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>47</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">GASCÓ, G.</style></author><author><style face="normal" font="default" size="100%">ALONSO, J.</style></author><author><style face="normal" font="default" size="100%">MARTINEZ IÑIGO, M. J.</style></author><author><style face="normal" font="default" size="100%">LOBO, M. C.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">UTILIZACION DE ESPECIES AUTOCTONAS PARA RECUPERACION DE SUELOS DEGRADADOS ENMENDADOS CON LODOS RESIDUALES</style></title><secondary-title><style face="normal" font="default" size="100%">III Congreso Forestal Español</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">composted sewage sludge</style></keyword><keyword><style  face="normal" font="default" size="100%">degraded soils</style></keyword><keyword><style  face="normal" font="default" size="100%">Heavy metals</style></keyword><keyword><style  face="normal" font="default" size="100%">Nerium oleander L.</style></keyword><keyword><style  face="normal" font="default" size="100%">Quercus ilex L.</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2001</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2001///</style></date></pub-dates></dates><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">The objective of this study was to analyse if composted sewage sludges could be used to amend degraded soils. Two different treatments were applied to Nerium oleander L. and Quercus ilex L (120 Tons/Ha. y 60 Tons/Ha) in a greenhouse with controled conditions. Both heavy metals and nutrients soil contents were analysed to study the influence of the compost in soil properties. Moreover, the effect of the residue in physiological and nutritive plants properties were evaluated.</style></abstract><notes><style face="normal" font="default" size="100%">The following values have no corresponding Zotero field:&lt;br/&gt;periodical: III Congreso Forestal Español&lt;br/&gt;pub-location: Granada</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%">Ducceschi, L.</style></author><author><style face="normal" font="default" size="100%">Legittimo, P. Cellini</style></author><author><style face="normal" font="default" size="100%">Bonzi, L. Morassi</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Heavy Metals in Moss and Bark From Urban Area of Florence: A New Cleaness Procedure for Removing Superficial Particulate Matter</style></title><secondary-title><style face="normal" font="default" size="100%">Chemistry and Ecology</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Bark</style></keyword><keyword><style  face="normal" font="default" size="100%">biomonitoring</style></keyword><keyword><style  face="normal" font="default" size="100%">environmental scanning electron microscopy (ESEM)</style></keyword><keyword><style  face="normal" font="default" size="100%">Heavy metals</style></keyword><keyword><style  face="normal" font="default" size="100%">Moss</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1999</style></year><pub-dates><date><style  face="normal" font="default" size="100%">1999///</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://dx.doi.org/10.1080/02757549908037642</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">16</style></volume><pages><style face="normal" font="default" size="100%">119 - 141</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Abstract Hypnum cupressiforme epiphytic moss and tree bark (elm and holm oak) samples have been collected in three sites of the city of Florence in the period 1995?1998. Lead, zinc, copper, and cadmium were determined by differential pulse anodic stripping voltammetry (DPASV) in about 200 samples collected at different heights above ground. A new clean-up procedure by nitrogen jet has been followed and its efficiency has been also verified by electron microscopy (SEM and ESEM techniques). Lead median contents in moss and bark samples fall within the ranges of 0.052?0.86 and 0.20?1.30 ?moles g?1 (dry weight), resulting values for moss and bark are proportional to the vehicular traffic density. the increasing use of lead-free gasoline has not been followed by a decrease of lead moss concentration.</style></abstract><issue><style face="normal" font="default" size="100%">2-3</style></issue><notes><style face="normal" font="default" size="100%">doi: 10.1080/02757549908037642doi: 10.1080/02757549908037642The following values have no corresponding Zotero field:&lt;br/&gt;publisher: Taylor &amp; Francis</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%">Cotrufo, M. F.</style></author><author><style face="normal" font="default" size="100%">Santo, A. V. De</style></author><author><style face="normal" font="default" size="100%">Alfani, Anna</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Effects of urban heavy metal pollution on organic matter decomposition in Quercus ilex L. Woods</style></title><secondary-title><style face="normal" font="default" size="100%">Environmental Pollution</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Fungal biomass (voyant9</style></keyword><keyword><style  face="normal" font="default" size="100%">Heavy metals</style></keyword><keyword><style  face="normal" font="default" size="100%">litter decomposition</style></keyword><keyword><style  face="normal" font="default" size="100%">pollution</style></keyword><keyword><style  face="normal" font="default" size="100%">Soil microbial biomass</style></keyword><keyword><style  face="normal" font="default" size="100%">Soil respiration</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.sciencedirect.com/science/article/pii/026974919400041B</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">7491</style></volume><pages><style face="normal" font="default" size="100%">81 - 87</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Decomposition of oak (Quercus ilex) leaves containing different concentrations of Fe, Zn, Cu, Cr, Ni and Pb was measured in laboratory microcosms. The leaves were collected from a polluted site inside the city of Naples and from a control site away from the city. Soil was sampled from the upper A horizon (0-5 cm) at both sites and analyzed for respiration, microbial biomass and abundance of fungal mycelia. The soils from the two sites differed significantly in heavy metals concentrations. The accumulated mass loss reached an asymptotic value after four months both for the control and polluted litters. However, control and polluted litters significantly differed in accumulated mass loss, that was respectively 40 % and 29 % of the initial weight, after 10 months. Moreover decomposition rates appeared to be strongly influenced by metal contamination in the early stages, while in later stages, they did not differ significantly. Litter respiration appeared to be inhibited by metal contamination and showed pattern and rates consistent with those found for litter decomposition. Fungal mycelia were significantly less abundant both in litter and soil from the polluted site than from the con- trol site. Metabolic activity (both as soil respiration and degree of mineralization) was lower in the polluted soil. Soil respiration and amount of soil mycelia correlated negatively with soil Pb, Zn and Cr concentration.</style></abstract><issue><style face="normal" font="default" size="100%">April 1990</style></issue></record></records></xml>