Publications
NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.
2013
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Lise AanensenAbstract
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Merete DeesAbstract
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Peter Waldner Anne Thimonier Maria Schmitt Aldo Marchetto Michela Rogora Oliver Granke Volker Mues Karin Hansen Gunilla Pihl-Karlsson Daniel lindra Nicholas Clarke Arne Verstraeten Andis Lazdins Claus Schimming Carmen Iacoban Antti-Jussi Lindroos Elena Iordanova Vanguelova Sue Benham Henning Meesenburg Manuel Nicholas Anna Kowalska Vladislav Apuhtin Ulle Nappa Zora Lachmanová Markus Neumann Albert Bleeker Morten Ingerslev Juan Molina Lars Vesterdal Walter Seidling Uwe Fischer Richard Fischer Martin LorenzAbstract
Atmospheric deposition to forests has been monitored in the frame of the ICP Forests programme with sampling and analyses of bulk and throughfall deposition at several hundred forested Level II plots for more than 15 years now. Current deposition of inorganic nitrogen and sulphate is highest in Northern Central Europe as well as in some regions in southern parts. In this study we compared linear regression and MannKendall trend analyses techniques. The choice of method had an influence on the number of trends identified as being significant. We showed that the minimal detectable trends can be estimated with the mean short term temporal variability of the deposition, which is to a large extent due to meteorological variations, such as the precipitation and circulation patterns. The overall decreasing trends for inorganic N and SO42- in the past decade of about 3% and 6% require time series of about 10 and 6 years respectively to detect a trend on a plot with statistical significance. Past reduction of human emission reduced atmospheric deposition of acidifying and eutrophying compounds. This could be confirmed due to the availability of long-term data series. However, further reductions are required to reduce deposition to forests below critical loads for the whole of Europe.
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R. Cuadra Ricardo HolgadoAbstract
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