Contributions to conferences: oral presentations

Abstract Cheng S.J., Hess P.G., Wieder W.R., Thomas R.Q., Nadelhoffer K.J., Vira J., Lombardozzi D.L., Gundersen P., Fernandez I.J., Schleppi P., Gruselle M.-C., Moldan P., Goodale C.L., 2018: Evaluating the impacts of short and long-term fates of nitrogen additions on forest carbon pools in Earth system models. AGU Fall Meeting, Washington, DC, USA, 10-14/12/2018.
PDF Schleppi P., 2018: Time-lapse hemispherical photography to better assess the effect of the light environment on the optimisation of exposure and thresholding. ICP Forests Joint Expert Panel Meeting, Zvolen, SK, 01-04/10/2018.
Schleppi P., 2018: Long-term nitrogen addition experiment to a sub-alpine forest: where does it go and what are the consequences? International workshop on the hydrology and morphology of sub-alpine, semi-forested catchments, Einsiedeln, 27-29/06/2018.
Abstract Forstner S.J., Wechselberger V., Müller S., Keiblinger K.M., Wanek W., Schleppi P., Hagedorn F., Gundersen P., Gerzabek M.H., Zechmeister-Boltenstern S., 2017: Vertical changes in soil carbon storage after two decades of N additionin two temperate forests. Biogeomon 2017 9th International Symposium on Ecosystem Behavior, Litomyšl, CZ, 20-24/08/2017.
AbstractPDF Schleppi P., 2017: Nitrate leaching from a sub-alpine coniferous forest subjected to experimentally increased N deposition for 20 years, and effects of tree girdling and felling. Biogeomon 2017 9th International Symposium on Ecosystem Behavior, Litomyšl, CZ, 20-24/08/2017.
Abstract Veerman L., Tietema A., Kalbitz K., Schoorl J., Boxman A.W., Gundersen P., Kjønaas J., Moldan F., Schleppi P., 2017: The long-term fate of deposited N in coniferous forest ecosystemsacross Europe. Biogeomon 2017 9th International Symposium on Ecosystem Behavior, Litomyšl, CZ, 20-24/08/2017.
Abstract Dawes M.A., Schleppi P., Rixen C., Hagedorn F., 2015: N dynamics during six years of soil warming at the alpine treeline. International Conference Mountains of Our Future Earth, Perth, UK, 04-08/10/2015.
AbstractPDF Vollenweider P., Giuggiola A., Ancey Y., Collaud V., Gobat J.-M., Schleppi P., Hagedorn F., Rigling A., 2015: Response of low-elevation pine stands in the Central Alps to changes in land use in a warmer climate. 27th IUFRO Conference on Air Pollution and Climate Change Effects on Forest Ecosystems, Nice, FR, 02-05/06/2015.
AbstractPDF Schleppi P., Curtaz F., Krause K., 2014: Nitrate leaching from a sub-alpine coniferous forest subjected to experimentally increased N deposition for 20 years, and effects of tree girdling and felling. 12th Swiss Geoscience Meeting, Fribourg, CH, 21-22/11/2014.
AbstractPDF Van der Voort T.S., McIntyre C., Zell C., Feng X., Hagedorn F., Schleppi P., Eglinton T., 2014: Scales of spatial & temporal variability in radiocarbon contents of organic carbon across different regions in Swiss soils. 12th Swiss Geoscience Meeting, Fribourg, CH, 21-22/11/2014.
AbstractPDF Van der Voort T.S., McIntyre C., Zell C., Feng X., Hagedorn F., Schleppi P., Eglinton T., 2014: Radiocarbon as a tool to assess organic matter vulnerability across different regions in Swiss soils. International Radiocarbon in the Environment Conference, Belfast, UK, 18-22/08/2014.
PDF Schleppi P., 2014: Calculating the below-canopy light regime of forests from hemispherical photographs. Joint Expert Panel Meeting ICP Forests, Eberswalde, DE, 03-05/03/2014.
AbstractPDF Tomlinson G., Buchmann N., Schleppi P., Siegwolf R., Waldner P., Weber P., 2013: The mobility of nitrogen between tree-rings of Norway spruce (Picea abies L.) and the effect of extraction on tree-ring δ15N and δ13C. 11th Swiss Geoscience Meeting, Lausanne, CH, 15-16/11/2013.
Abstract Manetti M.C., Pelleri F., Becagli C., Conedera M., Schleppi P., Zingg A., 2013: Response in terms of radical increment and stand cover in chestnut coppice subjected to different sylvicultural treatments. 2nd European Conference on Chestnut, Debrecen, HU, 09-12/10/2013.
AbstractPDF Tomlinson G., Buchmann N., Schleppi P., Siegwolf R., Waldner P., Weber P., 2013: The mobility of nitrogen between tree rings of Norway spruce (Picea abies L.) and the isotopic effect of its extraction. Tree Rings in Archaeology, Climatology and Ecology, Viterbo, IT, 08-11/05/2013.
AbstractPDF Schleppi P., Bucher-Wallin I., Hagedorn F., Körner C., 2013: Increased nitrate availability in the soil of a mixed mature temperate forest subjected to elevated CO2 concentration (canopy FACE). Eur. Geophys. Union General Assembly, Wien, AT, 07-12/04/2013.
AbstractPDF Schleppi P., Bucher-Wallin I., Hagedorn F., Körner C., 2012: Increased nitrate availability in the soil of a mixed mature temperate forest subjected to elevated CO2 concentration (canopy FACE). 10th Swiss Geoscience Meeting, Berne, CH, 16-17/11/2012.
PDF Schleppi P., Krause K., Bugmann H., Currie W.S., 2012: Long-term tracing of whole catchment 15N additions in a mountain spruce forest: measurements and simulations with the TRACE model. COST ES0806 workshop 15N tracing modelling, Göteborg, SE, 12-14/11/2012.
Abstract Zlatanov T., Schleppi P., Eggertsson O., Velichkov I., Hinkov G., Georgieva M., Lexer M., 2012: Decline of chestnut (Castanea sativa Mill.) in abandoned high-stemmed stands: an intrinsic process or a consequence of changed environmental conditions. IUFRO 7.01.08 and COST FP0903 International Conference on Forest-Water Interactions with respect to Air Pollution and Climate Change, Kahramanmaraş, TR, 04-06/09/2012.
Abstract Kuster T.M., Schleppi P., Schulin R., Günthardt-Goerg M.S., 2012: Nutrient availability and uptake under drought conditions in oak model ecosystems with two different forest soils. Eurosoil 2012 Soil science for the benefit of mankind and environment, Bari, IT, 02-07/07/2012.
Abstract Kuster T., Schleppi P., Matyssek R., Schulin R., Günthardt-Goerg M.S., 2011: Nutrient uptake in an oak model ecosystem with two different soils after three years of drought stress and air warming. Querco Colloquium Oak model ecosystems under drought and air warming, Birmensdorf, CH, 30/06/2011.
PDF Gundersen P., Alberti G., Brüggemann N., Christiansen J.R., Gasche R., Kitzler B., Moldan F., Lobo-do-Vale R., Rütting T., Weslien P., Schleppi P., 2011: The greenhouse gas exchange responses to forest change in Europe. Nitrogen & Global Change 2011 Key findings - future challenges, Edinburgh, Scotland, UK, 11-14/04/2011.
AbstractPDF Krause K., Niklaus P.A., Hartmann A., Schleppi P., 2011: Greenhouse gas exchanges of the soil in a mountain forest subjected to N addition and after girdling Norway spruce trees. Nitrogen & Global Change 2011 Key findings - future challenges, Edinburgh, Scotland, UK, 11-14/04/2011.
AbstractPDF Schleppi P., Krause K., 2010: Interactions between the N and C cycles in forests and how does the atmosphere chemistry impact forest ecosystems. 1st Conference COST Action FP0903 Research, monitoring and modelling in the study of climate change and air pollution impacts on forest ecosystems, Roma, IT, 05-07/10/2010.
PDF Dobbertin M., Brunner I., Egli S., Eilmann B., Graf Pannatier E., Schleppi P., Zingg A., Rigling A., 2010: Effects of drought and irrigation on ecosystem functioning in a mature Scots pine forest. Eur. Geophys. Union General Assembly, Wien, AT, 02-07/05/2010.
Walthert L., Schleppi P., Thimonier A., 2010: Estimating leaf area index in mature temperate forests using simple regressions on site parameters and vegetation data. FutMon / ICP Forests Meeting, Tampere, FI, 18/02/2010.
Abstract Schleppi P., Krause K., 2010: Nitrogen retention and nitrate leaching in a sub-alpine forest subjected to experimentally increased N deposition for 15 years. NitroEurope Open Science Conference Nitrogen and the European greenhouse gas balance, Solothurn, CH, 03-04/02/2010.
AbstractPDF Schleppi P., Bleuler P., Landolt W., 2009: Irrigation improves needle size and leaf area index of pine trees (Pinus sylvestris) in a dry alpine valley (Valais, Switzerland). 5th Scientific Meeting COST Action FP0601 Water issues in dryland forestry, Sede Boqer, IL, 10-12/11/2009.
DOIAbstractRiassunto Manetti M.C., Amorini E., Becagli C., Conedera M., Pelleri F., Pividori M., Schleppi P., Zingg A., 2009: Produzione di legname di qualità dai cedui di castagno (Castanea sativa Mill.). Confronto tra diverse modalità selvicolturali. Castanea 2009 - 1st European Congress and the 5th Italian Congress on Chestnut, Cuneo, IT, 14-16/10/2009.
AbstractPDF Dobbertin M., Graf Pannatier E., Thimonier A., Schmitt M., Schleppi P., Walthert L., Waldner P., Rigling A., 2009: Above-ground C allocation on Swiss ICP forests level II plots. LWF Anniv. Internat. Conf. Long-term ecosystem research - understanding the present to shape the future, Zürich, CH, 08-09/09/2009.
AbstractPDF Schleppi P., 2009: Nitrogen retention and nitrate leaching in a sub-alpine forest subjected to experimentally increased N deposition for 15 years. LWF Anniv. Internat. Conf. Long-term ecosystem research - understanding the present to shape the future, Zürich, CH, 08-09/09/2009.
PDF Hagedorn F., Schleppi P., 2009: Interactions between carbon and nitrogen cycling. 6th International Symposium on Ecosystem Behavior BIOGEOMON, Helsinki, FI, 29/06-03/07/2009.
ZusammenfassungPDF Schleppi P., Conedera M., Giudici F., Zingg A., 2009: Veränderungen des Blattflächenindexes als Kronenreaktion nach Durchforstungen: methodische Aspekte und Beispiel eines Kastanienwaldes im Tessin. Jahrestagung der Sektion Ertragskunde des DVFFA, Ascona, CH, 25-27/05/2009.
Sievering H., Balster H., Wortman E., Tomaszewski T., Thimonier A., Schleppi P., Waldner P., Buchmann N., 2009: N-deposition impacts on photosynthetic efficiency in the Rockies and Switzerland: forest N-amendments. 41st Air Pollution Workshop, Fort Collins, CO, USA, 20/04/2009.
PDF Schleppi P., 2008: Stable isotopes in hydrology and ecology. 3rd Scientific Meeting COST Action FP0601 Forest and water, Wien, AT, 15-17/09/2008.
AbstractPDF Sievering H., Eugster W., Balster H., Schleppi P., Waldner P., Thimonier A., Buchmann N., 2008: Photosynthetic efficiency vs. canopy N uptake at a high-N-loading Swiss forest and at a highly variable-N-loading Rocky Mountain subalpine forest. 23rd IUFRO Conference on Air Pollution and Climate Change Effects on Forest Ecosystems, Morat, CH, 07-12/09/2008.
AbstractPDF Thimonier A., Graf Pannatier E., Schmitt M., Waldner P., Dobbertin M., Walthert L., Kräuchi N., Schleppi P., 2008: Exceedance of critical loads for nitrogen, nutrient status and forest condition on Swiss Long-term Forest Ecosystem Research (LWF) plots. 23rd IUFRO Conference on Air Pollution and Climate Change Effects on Forest Ecosystems, Morat, CH, 07-12/09/2008.
Abstract Schleppi P., Hagedorn F., Bucher-Wallin I., Körner C., 2008: Do increased CO2 concentrations affect the availability of N in a mature temperate forest? NitroEurope Open Science Conference Reactive nitrogen and the European greenhouse gas balance, Gent, BE, 20-21/02/2008.
Abstract Sievering H., Eugster W., Balster H., Tomaszewski T., Schleppi P., Waldner P., Thimonier A., Buchmann N., 2007: Nitrogen deposition and photosynthetic performance relations at high-N-loading forests in Switzerland and at a highly variable-N-loading Rocky Mountain subalpine forest: fluorometry and the estimation of photosynthetic-efficiency-based critical N loads. AGU Fall Meeting, San Francisco, CA, USA, 10-14/12/2007.
Abstract Schleppi P., Hagedorn F., Bucher-Wallin I., Körner C., 2006: Do increased CO2 concentrations affect the availability of N in a mature temperate forest? 4th Swiss Geoscience Meeting, Bern, CH, 24-25/11/2006.
Morier I., Schleppi P., Knicker H., Guenat C., 2006: Retention of atmospheric N deposition in a forest soil: Contribution of the 15N NMR spectroscopy. 3rd European Symposium on NMR Spectroscopy in Soil, Geo and Environmental Sciences, Freising, DE, 06-09/08/2006.
PDF Morier I., Guenat C., Schleppi P., 2006: Retention of atmospheric N deposition in soil: results from two contrasting sites in Switzerland. Eur. Geophys. Union General Assembly, Wien, AT, 02-07/04/2006.
PDF Stähli M., Gustafsson D., Hardmeier M., Schleppi P., 2006: Sensitivity of simulated snow water equivalent and snowmelt runoff to spatial forest representation. Eur. Geophys. Union General Assembly, Wien, AT, 02-07/04/2006.
Schleppi P., 2006: Nitrate leaching and nitrogen saturation of a subalpine forest after 10 years of experimentally increased N deposition. Congrès Soc. Suisse Pédol. / Soc. Suisse Hydrol. Limnol., Zürich, CH, 30-31/03/2006.
Schleppi P., Bucher-Wallin I., 2006: Soil solution chemistry in a mature mixed forest exposed to elevated CO2 concentrations. Swiss Canopy Crane Workshop, Basel, CH, 02/02/2006.
Abstract Schleppi P., 2005: Nitrate leaching and nitrogen saturation of a subalpine forest after 10 year of experimentally-increased N deposition. 3rd Swiss Geoscience Meeting, Zürich, CH, 18-19/11/2005.
Abstract Providoli I., Bugmann H., Siegwolf R., Schleppi P., 2004: Influence of nitrogen deposition to mountain ecosystems: tracer experiment with 15N isotope. Third International Nitrogen Conference, Nanjing, CN, 12-16/10/2004.
Abstract Bucher-Wallin I.K., Schleppi P., Bucher J.B., Saurer M., 2004: Do three years of exposure to elevated CO2 influence the soil solution chemistry in a mature mixed forest? International symposium Forest soils under global and local changes, Bordeaux, FR, 15-18/09/2004.
Abstract Schleppi P., Providoli I., Saurer M., Siegwolf R., 2004: Nitrogen nutrition of Picea abies in a mountain forest ecosystem subjected to experimentally increased N deposition. International symposium Forest soils under global and local changes, Bordeaux, FR, 15-18/09/2004.
Hagedorn F., Bucher-Wallin I., Bucher J.B., Schleppi P., Siegwolf R., 2004: Dissolved organic carbon dynamics under elevated CO2. Swiss Canopy Crane Workshop, Basel, CH, 11/02/2004.
Schleppi P., Bucher J.B., Bucher-Wallin I., Hagedorn F., 2004: Response of N availability to atmospheric CO2 enrichment in a mature forest. Swiss Canopy Crane Workshop, Basel, CH, 11/02/2004.
Abstract Schleppi P., Hagedorn F., Providoli I., Saurer M., Siegwolf R., 2003: Mechanisms of nitrate leaching from a subalpine forest ecosystem subjected to experimentally increased N deposition. International Workshop on Mountain Hydrology, Einsiedeln, CH, 02-04/04/2003.
Abstract Waldner P., Schleppi P., 2003: Variability of torrent runoff chemistry and accuracy of different sampling strategies. International Workshop on Mountain Hydrology, Einsiedeln, CH, 02-04/04/2003.
Schleppi P., Hegg C., Waldner P., 2002: Effets de la forêt sur l'eau d'écoulement de petits bassins versants - exemple de l'Alptal (Préalpes de Suisse centrale). Journée Thématique de l'Antenne Romande du WSL, Lausanne, CH, 26/11/2002.
Abstract Schleppi P., 2002: Nitrate leaching from a subalpine forest ecosystem subjected to experimentally increased N deposition: patterns and mechanisms as functions of the considered space and time scales. 4th International Symposium on Ecosystem Behaviour BIOGEOMON, Reading, UK, 17-21/08/2002.
Abstract Bucher-Wallin I.K., Hagedorn F., Schleppi P., 2002: Soil nutrients in a mature mixed forest during the first year of exposure to elevated CO2. Swiss Canopy Crane Workshop, Basel, CH, 29/04/2002.
Abstract Hagedorn F., Blaser P., Bucher-Wallin I., Bucher J.B., Schleppi P., Siegwolf R., 2002: Dissolved organic carbon dynamics under elevated CO2. Swiss Canopy Crane Workshop, Basel, CH, 29/04/2002.
Abstract Schleppi P., 2001: Nitate leaching from forests: different processes at different time scales? Second International Nitrogen Conference (N2001), Potomac, MD, US, 14-18/10/2001.
Zusammenfassung Schleppi P., 2000: Stickstoffdeposition und kritische Belastungen für Alpine Wälder - Antworten und offene Fragen. Workshop Risikofaktoren für alpine Waldökosysteme - Wissensstand und Forschungsbedarf, Innsbruck, AT, 25-26/02/2000.
Hagedorn F., Schleppi P., Flühler H., 1999: Preferential flow paths: locations of preferred N transformation. 91st Annual Meeting of Soil Science Society of America, Salt Lake City, UT, US, 04/11-31/10/1999.
Hagedorn F., Schleppi P., Flühler H., 1999: Präferentielle Fließwege - Orte präferentieller N-Umsetzung? Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, Hannover, DE, 06-10/09/1999.
PDF Schleppi P., Hagedorn F., Feyen H., Muller N., Mohn J., Bucher J.B., Flühler H., 2000: Nitrate leaching from a forest ecosystem with simulated increased N deposition. 7th Conf. Eur. Network Experimental Representative Basins, Liblice, CZ, 22-24/09/1998.
Abstract Nadelhoffer K., Emmett B.A., Gundersen P., Kjønaas O.J., Koopmans C.J., Schleppi P., Tietema A., Wright R.F., 1998: The influence of nitrogen deposition on carbon sequestration in temperate forests. Ecol. Soc. Am. Meeting, Baltimore, USA, 02-08/08/1998.
Feyen H., Fawcett C., Forster F., Papritz A., Schleppi P., Wunderli H., Flühler H., 1997: Identification of flow processes at different scales by time series analysis. Internat. Conf. Regionalization in Hydrology, Braunschweig, DE, 10-14/03/1997.
Abstract Schleppi P., Muller N., Bucher J.B., Feyen H., Flühler H., 1996: Simulation of an increased nitrogen deposition to an alpine forest ecosystem: first impacts after one year of N-treatment. Workshop Nitrogen deposition and the acidification of natural and semi-natural ecosystems, Aberdeen, Scotland, UK, 08-10/09/1996.
ZusammenfassungAbstractPDF Burch H., Forster F., Schleppi P., Stadler D., 1996: Einfluss des Waldes auf Hochwasser aus kleinen voralpinen Einzugsgebieten. Interntionales Symposion Interpraevent, Garmisch-Partenkirchen, DE, 24-28/06/1996.
Résumé Schleppi P., Waldner P., 1996: Précision et efficacité de différentes stratégies d'échantillonnage d'eau de ruissellement. Colloque Soc. Suisse Hydrol. Limnol. Problèmes statistiques en hydrologie et limnologie, Lausanne, CH, 25/04/1996.
Abstract Schleppi P., Bucher J.B., 1995: Nitrogen saturation of alpine forest ecosystems: first results of the Swiss NITREX-project at Alptal. ProClim - AlpenForum Symposium The role of the hydrological cycle in mountain ecosystems, Zurich, CH, 16-17/11/1995.
Résumé Schleppi P., Bucher J.B., Muller N.: Saturation en azote des écosystèmes forestiers alpins: premiers résultats des expériences NITREX à Alpthal (SZ). 175ème Assembl. Ann. Acad. Suisse Sc. Nat. La recherche dans le champ des sciences naturelles - de l'écologie à l'économie, St. Gallen, 06-09/09/1995.
Soldati A., Schleppi P., 1990: La sélection du soja pour son adaptation aux régions froides. Colloque CETIOM-Eurosoja, Strasbourg, FR, 05-06/09/1990.
Soldati A., Schleppi P., 1988: Fonctionnement du soja en conditions froides - croissance et développement de la plante sous différentes conditions climatiques. Colloque Soja-87, Toulouse, FR, 08-10/09/1987.