WorldCat Identities

Thöni, Lotti

Overview
Works: 19 works in 31 publications in 3 languages and 119 library holdings
Publication Timeline
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Publications about  Lotti Thöni Publications about Lotti Thöni
Publications by  Lotti Thöni Publications by Lotti Thöni
Most widely held works by Lotti Thöni
Ökologische Planung : Ergebnisse der Fallstudie Bündner Rheintal : Immissionssituation Luft ; mit einer Einführung in die Grundlagen und Ziele der Fallstudie by Lotti Thöni ( Book )
3 editions published in 1990 in German and held by 41 WorldCat member libraries worldwide
Bestimmung der Deposition von Luftschadstoffen in der Schweiz mit Moosanalysen by Imelda Schmid-Grob ( Book )
5 editions published in 1993 in German and held by 18 WorldCat member libraries worldwide
Feldexperiment zum Methodenvergleich von Ammoniak- und Ammonium-Konzentrationsmessungen in der Umgebungsluft, 2005 bis 2008 in Braunschweig by Ulrich Dämmgen ( )
1 edition published in 2010 in German and held by 14 WorldCat member libraries worldwide
Deposition von Luftschadstoffen in der Schweiz : Moosanalysen 1990-1995 by Lotti Thöni ( Book )
2 editions published in 1998 in German and held by 10 WorldCat member libraries worldwide
Moose als Biomonitoren für die Abschätzung der Schwermetallbelastung in der Schweiz by Lotti Thöni ( Book )
3 editions published in 1993 in German and held by 6 WorldCat member libraries worldwide
Deposition von Luftschadstoffen in der Schweiz : Moosanalysen 1990/2000 by Lotti Thöni ( Book )
2 editions published in 2004 in German and held by 5 WorldCat member libraries worldwide
Are cadmium, lead and mercury concentrations in mosses across Europe primarily determined by atmospheric deposition of these metals? ( )
1 edition published in 2010 in English and held by 2 WorldCat member libraries worldwide
This study aimed at investigating correlations between heavy metalModelled heavy metal deposition data and data on the concentration of heavy metals in naturally growing mosses were integrated into a geographic information system and analysed by means of bivariate rank correlation analysis and multivariate decision trees. Modelled deposition data were validated annually with deposition measurements at up to 63 EMEP measurement stations within the European Monitoring and Evaluation Programme (EMEP), and mosses were collectedat up to 7,000 sites at 5-year intervals between 1990 and 2005. concentrations in mosses and modelled deposition values as well as otherResults and discussion site-specific and regional characteristics to determine which factorsModerate to high correlations were found between cadmium and lead concentrations in mosses and modelled atmospheric deposition of these metalsČ Spearman rank correlation coefficients were between 0.62 and 0.67, and 0.67 and 0.73 for cadmium and lead, respectively (p<0.001). Multivariate decision tree analyses showed that cadmium and lead concentrations in mosses were primarily determined by the atmospheric deposition of these metals, followed by emissions of the metals. Low to very low correlations were observed between mercury concentrations in mosses and modelled atmospheric deposition of mercury. According to the multivariate analyses, spatial variations of the mercury concentration in mosses was primarily associated with the sampled mossspecies and not with the modelled deposition, but regional differences in the atmospheric chemistry of mercury and corresponding interactions with the moss may also be involved. primarily affect cadmium, lead and mercury concentrations in mosses. TheConclusions resulting relationships could potentially be used to enhance the spatialAt least for cadmium and lead, concentrations in mosses are a valuable tool in determining and mapping the spatial variation in atmospheric deposition acrossEurope at a high spatial resolution. For mercury, more studies are needed to elucidate interactions of different chemical species with the moss. resolution of heavy metal deposition maps across Europe
Mosses as biomonitors of atmospheric nitrogen deposition - potential application at Natura 2000 sites ( )
1 edition published in 2011 in English and held by 2 WorldCat member libraries worldwide
Mosses as biomonitors of atmospheric heavy metal deposition : statial patterns and temporal trends in Europe ( )
1 edition published in 2010 in English and held by 2 WorldCat member libraries worldwide
Metallakkumulation in Moosen : Standörtliche unf regionale rendbedigungen des biominotoring von Luftverunreinigungen ( )
1 edition published in 2008 in German and held by 2 WorldCat member libraries worldwide
Metal accumulation in mosses across national boundaries : uncovering and ranking causes of spatial variation ( )
1 edition published in 2008 in English and held by 2 WorldCat member libraries worldwide
his study aimed at cross-border mapping metal loads in mosses in eight European countries in 1990, 1995, and 2000 and at investigating confounding factors. Geostatistics was used for mapping, indicating high local variances but clear spatial autocorrelations. Inference statistics identified differences of metal concentrations in mosses on both sides of the national borders. However, geostatistical analyses did not ascertain discontinuities ofmetal concentrations in mosses at national borders due to sample analysis indifferent laboratories applying a range of analytical techniques. Applying Classification and Regression Trees (CART) to the German moss data as an example, the local variation in metal concentrations in mosses were proved to depend mostly on different moss species, potential local emission sources, canopy drip and precipitation
Country-specific correlations across Europe between modelled atmospheric cadmium and lead deposition and concentrations in mosses ( )
1 edition published in 2012 in English and held by 2 WorldCat member libraries worldwide
Previous analyses at the European scale have shown that cadmium and lead concentrations in mosses are primarily determined by the total deposition of these metals. Further analyses in the current study show that Spearman rank correlations between the concentration in mosses and the deposition modelled by the European Monitoring and Evaluation Programme (EMEP) are country and metal-specific. Significant positive correlations were found for about two thirds or more of the participating countries in 1990, 1995, 2000 and 2005 (except for Cd in 1990). Correlations were often not significant and sometimesnegative in countries where mosses were only sampled in a relatively small number of EMEP grids. Correlations frequently improved when only data for EMEP grids with at least three moss sampling sites per grid were included.It was concluded that spatial patterns and temporal trends agree reasonably well between lead and cadmium concentrations in mosses and modelledatmospheric deposition
First Europe-wide correlation analysis identifying factors best explaining the total nitrogen concentration in mosses ( )
1 edition published in 2010 in English and held by 2 WorldCat member libraries worldwide
In this study, the indicative value of mosses as biomonitors ofCooperativewereapplied. The Spearman rank correlation analysis showed that the total N concentration in mosses Programme on Effects of Air Pollution on Natural Vegetation and Crops (ICPand modelled N depositions and air concentrations are significantly correlated (0.53 rs 0.68, Vegetation). atmosphericconcentration in mosses on the other hand werep < 0.001). Correlations with other predictors were lower than 0.55. The CART analysis indicated that the investigated forModelled atmospheric N deposition and air concentration datavariation in the total N concentration in mosses was best explained by thevariation in NH4 were calculated using the Unified EMEP thefirst time at a European scale usingt concentrations nitrogen (N) depositionsModel of the European Monitoring and Evaluationin air,followed by NO2 concentrations in air, sampled moss species and total dry N deposition. Programme (EMEP) of the Convention on Long-range andcorrelation analyses. The analyses included data from mosses collected fromTransboundary Air Pollution (CLRTAP). The modelled deposition and concentration data encompass 2781 sites across Europevarious N compounds. In order to assess the correlations between moss tissue total N concentrations and
Kartierung der Zink- und Cadmiumbelastung im Raume Zürich mittels des Mooses Bryum Argenteum Hedw. als Biomonitor by Lotti Thöni ( Book )
1 edition published in 1984 in German and held by 1 WorldCat member library worldwide
Moose als Biomonitoren für die flächenhafte Abschätzung der Schwermetallbelastung in der Schweiz by Lotti Thöni ( Book )
1 edition published in 1987 in German and held by 1 WorldCat member library worldwide
Grundlagen und Ziele der Fallstudie ( Book )
1 edition published in 1990 in Undetermined and held by 1 WorldCat member library worldwide
Enthält: Grundlagen und Ziele der Fallstudie / Hans-Georg Bächtold. Charakterisierung der Immissionssituation Luft / Lotti Thöni, Kathrin Peter, Jürg Hertz
 
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Audience level: 0.38 (from 0.00 for Mosses as ... to 0.47 for Ökologisc ...)
Languages
German (20)
English (7)
French (3)