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91.
Benedetti M Ciaprini F Piva F Onorati F Fattorini D Notti A Ausili A Regoli F 《Environment international》2012,38(1):17-28
Evaluation of chemical bioavailability and onset of biological alterations is fundamental to assess the hazard of environmental pollutants, particularly when associated to sediments which need to be removed. In the present work, five sediment samples were collected from the Venice Lagoon and data from sediment chemistry were integrated with those of bioaccumulation of chemicals in European eel (Anguilla anguilla) exposed under laboratory conditions, responses of a wide battery of biomarkers, and standardized ecotoxicological bioassays. The overall results were elaborated within a recently developed, software-assisted weight of evidence (WOE) model which provides synthetic indices for each of considered line of evidence (LOE), before a general evaluation of sediment hazard. Levels of chemicals in sediments were not particularly elevated when compared to sediment quality guidelines of Venice Protocol. On the other hand, bioavailability was evident in some samples for Cd, Cu, Zn and, especially, polycyclic aromatic hydrocarbons. The ecotoxicological approach provided further evidence on the biological and potentially harmful effects due to released contaminants, and oxidative-mediated responses appeared of primary importance in modulating sublethal responses and the onset of cellular alterations. Biomarkers variations were sensitive, and more evident variations included significant changes of cytochrome P450 biotransformation pathway, antioxidant responses, onset of oxidative damages, lysosomal membrane stability and genotoxic effects. The results obtained from the battery of bioassays indicated that responses measured at organism level were in general accordance but less marked compared to the onset of sublethal changes measured through biomarkers. Overall this study revealed differences when comparing evaluations obtained from different LOEs, confirming the importance of considering synergistic effects between chemicals in complex mixtures. Compared to a qualitative pass-fail approach toward normative values, the proposed WOE model allowed a quantitative characterization of sediment hazard and a better discrimination of on the basis of various types of chemical and biological data. 相似文献
92.
Piva F Ciaprini F Onorati F Benedetti M Fattorini D Ausili A Regoli F 《Chemosphere》2011,83(4):475-485
Quality assessments are crucial to all activities related to removal and management of sediments. Following a multidisciplinary, weight of evidence approach, a new model is presented here for comprehensive assessment of hazards associated to polluted sediments. The lines of evidence considered were sediment chemistry, assessment of bioavailability, sub-lethal effects on biomarkers, and ecotoxicological bioassays. A conceptual and software-assisted model was developed with logical flow-charts elaborating results from each line of evidence on the basis of several chemical and biological parameters, normative guidelines or scientific evidence; the data are thus summarized into four specific synthetic indices, before their integration into an overall sediment hazard evaluation. This model was validated using European eels (Anguilla anguilla) as the bioindicator species, exposed under laboratory conditions to sediments from an industrial site, and caged under field conditions in two harbour areas. The concentrations of aliphatic hydrocarbons, polycyclic aromatic hydrocarbons and trace metals were much higher in the industrial compared to harbour sediments, and accordingly the bioaccumulation in liver and gills of exposed eels showed marked differences between conditions seen. Among biomarkers, significant variations were observed for cytochrome P450-related responses, oxidative stress biomarkers, lysosomal stability and genotoxic effects; the overall elaboration of these data, as those of standard ecotoxicological bioassays with bacteria, algae and copepods, confirmed a higher level of biological hazard for industrial sediments. Based on comparisons with expert judgment, the model presented efficiently discriminates between the various conditions, both as individual modules and as an integrated final evaluation, and it appears to be a powerful tool to support more complex processes of environmental risk assessment. 相似文献
93.
94.
Application of spatial multi-criteria analysis to site selection for a local park: a case study in the Bergamo Province, Italy 总被引:1,自引:1,他引:0
This contribution discusses a site selection process for establishing a local park. It was supported by a value-focused approach and spatial multi-criteria evaluation techniques. A first set of spatial criteria was used to design a number of potential sites. Next, a new set of spatial and non-spatial criteria was employed, including the social functions and the financial costs, together with the degree of suitability for the park to evaluate the potential sites and to recommend the most acceptable one. The whole process was facilitated by a new software tool that supports spatial multiple criteria evaluation, or SMCE. The application of this tool, combined with a continual feedback by the public administration, has provided an effective methodology to solve complex decisional problem in land-use and urban planning. 相似文献
95.
Roberto Delogu Andrea Battistone Gabriele Buttinelli Stefano Fiore Stefano Fontana Concetta Amato Karen Cristiano Sabine Gamper Josef Simeoni Rita Frate Laura Pellegrinelli Sandro Binda Licia Veronesi Roberta Zoni Paolo Castiglia Andrea Cossu Maria Triassi Francesca Pennino Cinzia Germinario Viviana Balena Antonella Cicala Pietro Mercurio Lucia Fiore Carlo Pini Paola Stefanelli 《Food and environmental virology》2018,10(4):333-342
Within the initiatives for poliomyelitis eradication by WHO, Italy activated an environmental surveillance (ES) in 2005. ES complements clinical Acute Flaccid Paralysis (AFP) surveillance for possible polio cases, detects poliovirus circulation in environmental sewage, and is used to monitor transmission in communities. In addition to polioviruses, the analyses comprised: (i) the monitoring of the presence of non-polio enteroviruses in sewage samples and (ii) the temporal and geographical distribution of the detected viruses. From 2009 to 2015, 2880 sewage samples were collected from eight cities participating in the surveillance. Overall, 1479 samples resulted positive for enteroviruses. No wild-type polioviruses were found, although four Sabin-like polioviruses were detected. The low degree of mutation found in the genomes of these four isolates suggests that these viruses have had a limited circulation in the population. All non-polio enteroviruses belonged to species B and the most frequent serotype was CV-B5, followed by CV-B4, E-11, E-6, E-7, CV-B3, and CV-B2. Variations in the frequency of different serotypes were also observed in different seasons and/or Italian areas. Environmental surveillance in Italy, as part of the ‘WHO global polio eradication program’, is a powerful tool to augment the polio surveillance and to investigate the silent circulation or the re-emergence of enteroviruses in the population. 相似文献
96.
European winegrowers’ perceptions of climate change impact and options for adaptation 总被引:2,自引:0,他引:2
Antonella Battaglini Gerard Barbeau Marco Bindi Franz-W. Badeck 《Regional Environmental Change》2009,9(2):61-73
A questionnaire on the perception of climate change and the impact of climate change was distributed among winegrowers in
France, Germany, and Italy. These countries are located in three macro-climatic regions that experienced different patterns
of climatic change in the twentieth century—Atlantic, transition to Continental and Mediterranean. The majority of winegrowers
perceived changing climatic conditions in the last few decades. The characterization of these changes is consistent with results
obtained by the analysis of long-term trends in climatic records. The winegrowers noted impacts on harvestable quantities
(mainly in Italy), must quality, and risks of pests and diseases. The majority of respondents (66%) indicated an impact on
wine quality, which was perceived as quality improvement in 55% of the cases. Perceived impacts on pests and diseases were
reported in 56% of the responses. A strong majority of this group (80%) also reported increasing threats. Perceived climatic
change and its noticeable impacts has led to growing interest in adaptation options, combined with a need for more information,
among winegrowers. Thus, the transfer of technical knowledge from scientific research to practice is necessary for adaptation.
Plans for adaptation by a change of wine varieties were reported with substantially different results among the regions. A
majority of German growers said they would consider changing varieties to adapt to warming temperatures, while only a minority
of the Italian and French growers said they would consider such changes. However, readiness to adopt adaptation measures is
correlated with the degree of changes already planned, independent of climatic change. 相似文献
97.
Marino Martini Luciano Giannini Antonella Buccianti Laura Maggi Franco Prati Paola Cellini Legittimo 《Chemistry and Ecology》2013,29(3):139-147
A major influence on the environment of active volcanic areas is expected from continuous input of chemical species pertaining to fumarolic activities occurring during inter-eruptive intervals. The systematic investigations carried out during thirteen years in the island of Vulcano (Italy) showed also substantial contributions to phreatic waters and soils of minor constituents and trace metals from volcanic rocks with no negligible influence on growing crops. Greater extents of these phenomena have been observed for products of hydromagmatic volcanic activity or of long-lasting weathering processes. 相似文献
98.
Jeremy?FieldEmail author Robert?Paxton Antonella?Soro Paul?Craze Catherine?Bridge 《Behavioral ecology and sociobiology》2012,66(5):743-756
Phenotypic plasticity may evolve when conditions vary temporally or spatially on a small enough scale. Plasticity is thought
to play a central role in the early stages of evolutionary transitions, including major transitions such as those between
non-sociality and sociality. The sweat bee Halictus rubicundus is of special interest in this respect, because it is socially plastic in the British Isles: Nests are social or non-social
depending on the environment. However, sociality comprises a complex suite of inter-related traits. To further investigate
social plasticity in H. rubicundus, we measured traits that are potentially integral to social phenotype at a northern site, where nests are non-social, and
a southern site where nests can be social. We found that foundresses at non-social sites were smaller, produced offspring
of a size more similar to themselves, initiated nesting later, and took longer to produce their first female offspring. They
began provisioning earlier in the day, finished earlier, and collected more pollen loads. Common garden experiments suggested
that these differences represent mainly plasticity, as expected for traits involved in the overall plastic social phenotype,
with only limited evidence for fixed genetic differences in foraging. Conditions during overwintering did not have major effects
on a foundress' subsequent behaviour. 相似文献
99.
Maria Valeria Migliori Antonella Pettinari Anna Maria Ciaschini Paola Piermattei Francesco Pigliapoco Giancarlo Discepoli 《黑龙江环境通报》2004,24(4):290-292
We report the prenatal diagnosis of an extra der(4) resulting from 4:2 malsegregation of a maternal balanced complex translocation involving chromosomes 4, 10, and 11. The woman was referred for amniocentesis because of recurrent miscarriages. Fluorescence in situ hybridization was performed in order to characterize the complex chromosome rearrangement. Following genetic counselling, the couple decided to terminate the pregnancy. Copyright © 2004 John Wiley & Sons, Ltd. 相似文献
100.
Marino Martini Luciano Giannini Antonella Buccianti Laura Maggi Franco Prati Paola Cellini Legittimo Paolo Iozzelli Bruno Capaccioni 《Chemistry and Ecology》1991,5(3):139-147
A major influence on the environment of active volcanic areas is expected from continuous input of chemical species pertaining to fumarolic activities occurring during inter-eruptive intervals.
The systematic investigations carried out during thirteen years in the island of Vulcano (Italy) showed also substantial contributions to phreatic waters and soils of minor constituents and trace metals from volcanic rocks with no negligible influence on growing crops.
Greater extents of these phenomena have been observed for products of hydromagmatic volcanic activity or of long-lasting weathering processes. 相似文献
The systematic investigations carried out during thirteen years in the island of Vulcano (Italy) showed also substantial contributions to phreatic waters and soils of minor constituents and trace metals from volcanic rocks with no negligible influence on growing crops.
Greater extents of these phenomena have been observed for products of hydromagmatic volcanic activity or of long-lasting weathering processes. 相似文献