Link zu WSL Hauptseite Eidg. Forschungsanstalt für Wald, Schnee und Landschaft WSL


9. Mai 2017: STARTS Prize 2017TreeLab erhält Anerkennung


17. Okt 2016: Publikation in Tree Physiology: Trees maintain a similar conductance per leaf area


25. Sep 2016: Publikation in Tree Physiology: Temperate tree species show identical response in tree water deficit


19. Mai 2016: Publikation in New Phytologist: Are trees able to grow in periods of stem shrinkage?


25. Apr. 2016: Dendrometer-Prozessierungs-Tool auf


24. Jan. 2016: TreeNet in der Sonntagszeitung


2. Dez. 2015: 'trees' an der COP21 in Paris


25. Okt. 2015: Publikation in PCE: Kommentar zu Xylem-Radius Änderungen


2. Jul. 2015: 1-stündige Reportage über 'trees'Ö1 (Radio)


23. Jun 2015: Reportage über TreeNet, Tierwelt & Südostschweiz


23. Apr. 2015: US-Botschafterin LeVine besucht 'trees'Salgesch 


16. Apr. 2015: Staatspräsident von Frankreich, Francois Hollande, besucht 'trees'ZHdK


13. Mrz. 2015: Diss-Projekt Matthias Häni, Plant Science Center Newsletter.


18. Nov. 2014: Gesang der Bäume, Nano, 3SAT


11. Nov. 2014: Diverse Medienberichte über 'trees'


4. Sep. 2014: Eröffnung Ausstellung trees: Pinus sylvestris, WSL


23. Jun. 2014: Die leise Symphonie der Bä


6. Jun. 2014: Das Flüstern der Föhren, Die Zeit


4. Jun. 2014: Die leise Symphonie der Bäume, SRF Kultur


4. Apr. 2014: Publikation in Biogeosciences: Lag-Effekt beeinflusst NEP


5. Mrz. 2014: Für junge Neugierige: Wie Pflanzen flüstern


3. Mrz. 2014: Publikation in New Phytologist: CO2-Effekt auf Stammradiusfluktuationen


15. Jan. 2014: Publikation in Functional Plant Biology: Stammradiusfluktuationen im Xylem


5.-7. Jun. 2013: Int. Workshop on Sap Flow, Ghent, B


23. Jan. 2013: Publikation in New Phytologist

Stamm [CO2] in Fichten


4. Jan. 2013: Publikation in Global Change Biology

Vegetationsveränderung von Föhren zu Eichen


10. Dez. 2012: NEUES Internetportal


24. Jul. 2012: Ausstellung in San Francisco

Swissnex: trees: Downy Oak

1. Mai 2012: Publikation in Functional Ecology

Eigenschaften von Föhren quer durch Europa

17. Apr. 2012: Publikation in Trees

Die Lebensgeschichte von Flaumeichen im Wallis

21. Jan. 2012: Publikation in JXB

Misteln verursachen ein Leck in der Wasserleitung von Föhren

23. Sep. 2011: Publikation in Ecosystems

Kohlenstoff-Budget von zwei Waldökosystemen


20. Mai 2011: PrometheusWiki-Artikel: Stem radius fluctuations of trees


22. Oktober 2010: Vortrag IUFRO-Konferenz, Tasmanien

TreeNet - The biological drought and growth indicator network
27. Mai 2010: Publikation in New Phytologist

Link between stem radius changes and net ecosystem productivity


29. Nov. 2009: Neues Internetportal für den Seehornwald Davos:

-> Link zu:

Publikationen Zweifel

Researcher ID Web of Science: C-2852-2009

a. ISI-Papers

Sterck F & Zweifel R. 2016. Trees maintain a similar conductance per leaf area through integrated responses in growth, allocation, architecture and anatomy. Tree Physiology DOI:10.1093/treephys/tpw100: p1-3. (link to Tree Physiology)

Brinkmann N, Eugster W, Zweifel R, Buchmann N, Kahmen A. 2016. Temperate tree species show identical response in tree water deficit but different sensitivities in sap flow to summer soil drying. Tree Physiology  Tree Physiology DOI:10.1093/treephys/tpw062: p 1-12. (link to Tree Physiology)

Zweifel R, Haeni M, Buchmann N, Eugster W. 2016. Are trees able to grow in periods of stem shrinkage? New Phytologist: 211 (3), 839-849 (link to New Phytologist).

Zeiter M., Schärrer S., Zweifel R., Newbery D.M., Stampfli A. 2016. Seasonal timing of extreme dry spell modifies grassland reproductive output. Journal of Vegetation Science 27 (2): 238–248 (PDF 385 KB).

Zweifel R. 2016. Radial stem variations - a source of tree physiological information not fully expoited yet. Plant Cell and Environment: 39 (2), 231-232 (PDF 235KB).

Zielis S, Etzold S, Zweifel R, Eugster W, Haeni M, Buchmann N. 2014. NEP of a Swiss subalpine forest is significantly driven not only by current but also by previous year’s weather. Biogeosciences 11: 1627-1635 (PDF 0.5MB).

Dawes M.A., Zweifel R., Dawes N., Rixen Ch., and Hagedorn F. 2014. CO2 enrichment alters diurnal stem radius fluctuations of 36-yr-old Larix decidua growing at the alpine tree line. New Phytologist. DOI: 10.1111/nph.12742 (PDF 1.3MB)

Zweifel R., Drew DM, Schweingruber FH, Downes GM. 2014. Xylem as the main origin of stem radius changes in Eucalyptus. Functional Plant Biology. (PDF 1.7MB)

Etzold S., Zweifel R., Ruehr N.K., Eugster W., and Buchmann N. 2013. Long-term stem CO2 concentration measurements in Norway spruce in relation to biotic and abiotic factors. New Phytologist. 197, 1173-1184. (PDF 1MB)

Rigling A., Bigler C., Eilmann B., Feldmeyer-Christe E., Gimmi U., Ginzler C., Graf U., Mayer P., Vacchiano G., Weber P., Wohlgemuth T., Zweifel R., and Dobbertin M. 2013. Driving factors of a vegetation shift from Scots pine to pubescent oak in dry Alpine forests. Global Change Biology. 19, 229–240, doi: 10.1111/gcb.12038. (PDF 390KB)

Zweifel R., Bangerter S., Rigling A., Sterck F.J. 2012. Pine and mistletoes: how to live with a leak in the water flow and storage system? Journal of Experimental Botany. 63 (7): 2565-2578. (PDF 1MB)

Sterck F.J., Martinez-Vilalta J., Mencuccini M., Cochard H., Gerrits P., Zweifel R., Herrero A., Korhonen J.F.J., Llorens P., Nikinmaa E., Nole A., Poyatos R., Ripullone  F., and Sass-Klaassen U. 2012. Understanding trait interactions and their impacts on growth in Scots pine branches across Europe. Functional Ecology. 26:541-549. (PDF 460KB)

Slot, M., Janse-ten Klooster S.H., Sterck F.J., Sass-Klaassen U., and Zweifel R. 2012. A lifetime perspective of biomass allocation in Quercus pubescens trees in a dry, alpine valley. Trees - Structure and Function. DOI 10.1007/s00468-012-0717-4:1-8. (PDF 805KB)

Etzold S., Ruehr N.K., Zweifel R., Dobbertin M., Zingg A., Pluess P., Häsler R., Eugster W., Buchmann N. 2011. The carbon balance of two contrasting mountain forest ecosystems in Switzerland: Similar annual trends, but seasonal differences. Ecosystems, 14 (8): 1289-1309. (PDF 740KB)

Eilmann B., Zweifel R., Buchmann N., Graf Pannatier E., and Rigling A. 2011. Drought alters timing, quantity, and quality of wood formation in Scots pine. Journal of Experimental Botany, doi:10.1093/jxb/erq443. (PDF 740KB)

Zweifel R., Eugster W., Etzold S., Dobbertin M., Buchmann N. and Häsler R. 2010. Link between continuous stem radius changes and net ecosystem productivity of a subalpine Norway spruce forest in the Swiss Alps. New Phytologist, 187: 819-830. (PDF 510KB)

Martinez-Vilalta J, Cochard H, Mencuccini M, Sterck FJ, Herrero A, Korhonen JFJ, Llorens P, Nikinmaa E, Poyatos R, Ripullone F, Sass-Klaassen U, Zweifel R. 2009. Hydraulic adjustment of Scots pine across Europe. New Phytologist 184: 353–364. (PDF 1MB)

Steppe K, Zeugin F, and Zweifel R. 2009. Low-dB ultrasonic acoustic emissions are temperature-induced and probably have no biotic origin. New Phytologist 183: 928-931. (PDF 1600KB)

Eilmann B., Zweifel R., Buchmann N., Fonti P., and Rigling, A. 2009. Drought-induced adaptation of the xylem in Scots pine and pubescent oak. Tree Physiology, 29(8), 1011-1020. (PDF 650KB)

Zweifel R., Rigling, A. & Dobbertin, M. 2009. Species-specific stomatal response of trees to drought - a link to vegetation dynamics?. Journal of Vegetation Science, 20, 442-454. (PDF 776KB)

Zweifel R. and Zeugin F. 2008. Ultrasonic acoustic emissions in drought-stressed trees – more than signals from cavitation? New Phytologist, 179, 1070-1079. (PDF 328KB)

Sterck FJ, Zweifel R., Sass-Klaassen U, and Chowdhury Q. 2008. Persisting soil drought reduces leaf specific conductivity in Scots pine (Pinus sylvestris) and pubescent oak (Quercus pubescent). Tree Physiology, 28, 529-536. (PDF 145KB)

Zweifel R., Steppe K. and Sterck FJ. 2007. Stomatal regulation by microclimate and tree water relations: interpreting ecophysiological field data with a hydraulic plant model. Journal of Experimental Botany, 58, 2113-2131. (PDF 1437KB)

Tinner, W., S. Hofstetter, F. Zeugin, M. Conedera, T. Wohlgemuth, L. Zimmermann and R. Zweifel. 2006. Long-distance transport of macroscopic charcoal by an intensive crown fire in the Swiss Alps – implications for fire history reconstruction. Holocene 16 (2): 287-292.

Zweifel, R., L. Zimmermann, F. Zeugin and D.M. Newbery. 2006. Intra-annual radial growth and water relations of trees – implications towards a growth mechanism. Journal of Experimental Botany 57(6):1445-1459.

Zweifel, R., L. Zimmermann and D.M. Newbery. 2005. Modeling tree water deficit from microclimate: an approach to quantifying drought stress. Tree Physiology 25:147-156.

Zweifel, R., J. P. Böhm and R. Häsler. 2002. Midday stomatal closure in Norway spruce—reactions in the upper and lower crown. Tree Physiology 22:1125–1136.

Zweifel, R., H. Item, R. Häsler. 2001. Link between diurnal stem radius changes and tree water relations. Tree Physiology 21:869-877.

Zweifel, R., R. Häsler. 2001. Dynamics of water storage in mature subalpine Picea abies: temporal and spatial patterns of change in stem radius. Tree Physiology 21:561-569.

Zweifel, R., H. Item, R. Häsler. 2000. Stem radius changes and their relation to sto-red water in stems of young Norway spruce trees. Trees 15: 50-57.

Zweifel, R., R. Häsler. 2000. Frost-induced reversible shrinkage of bark of mature, subalpine conifers. Agric. For. Meteorol. 102: 213-222.

Herzog, K.M., R. Thum, R. Zweifel, R. Häsler. 1997. Heat balance measurements: to quantify sap flow in thin stems only. Agric. For. Meteorol. 83: 75-94.

b. Reviewed (not ISI)

Zweifel, R. 1999. The rhythm of trees – water storage dynamics in subalpine Nor-way spruce. Diss. ETH Zürich No. 13391, 112 p.

c. Not reviewed

Häni M, Buchmann N, Zweifel R. 2015. PSC Fellowships Plant Science & Policy fellow Matthias Häni: Tree growth and its relation to forest ecosystem net carbon uptake. Plant Science Center Newsletter, No. 27, Spring 2015 (PDF 4.6MB).

Körner Ch., Buchmann N., Bugmann H., Duelli P, Hiltbrunner E, Müller-Ferch G, Müller JP, Wildi O, Zweifel R. 2007. Landökosysteme. In:  Klimaänderung und die Schweiz 2050. OcCC / ProClim, Schwarztorstrasse 9,  3007 Bern. -> download.

Zweifel, R., Zimmermann L, Tinner W, Haldimann P, Zeugin F, Bangerter S, Hofstet-ter S, Conedera M, Wohlgemuth T, Gallé A, Feller U and Newbery DM. 2006. Salgesch, Jeizinen, ihre Wälder und der globale Klimawandel. Nationaler For-schungsschwerpunkt Klima (NFS Klima), Universität Bern, Bern, p. 23.

Rigling, A.; Dobbertin, M.; Bürgi, M.; Feldmeier-Christe, E.; Gimmi, U.; Ginzler, C.; Graf, U.; Mayer, P.; Zweifel, R.; Wohlgemuth, T.,  2006:  Baumartenwechsel in den Walliser Waldföhrenwäldern.  Wald und Klimawandel. Forum für Wissen  2006:  23-33.

Zweifel, R., K.M. Herzog. 2001. Bäume – Vorbilder für eine nachhaltige Industrie. Kompetenz-Zentrum Holz. EMPA Dübendorf und St.Gallen, ETH Zürich, WSL Birmensdorf. 9. Jahrgang, Heft 1: 16-21.

f. Others

Zweifel, R., L. Zimmermann. 2002. Reportage „Baumsensoren“ im Schweizer Fernsehen SFDRS 1 in Menschen, Technik, Wissenschaft.