Dr. Kerstin Treydte

Funktion

Wissenschaftliche Mitarbeiterin

Walddynamik

Dendrowissenschaften

Kontakt

kerstin.treydte(at)wslto make life hard for spam bots.ch

+41 44 739 26 62+41 44 739 26 62

Eidg. Forschungsanstalt WSL
Zürcherstrasse 111
8903 Birmensdorf

Standort

Birmensdorf Bi HL C 30

Upcoming event:

Tree-ring session at EGU 8-13 April 2018

Research Interests:

Tree-ring research, stable isotopes, paleoecology, climate variability, tree physiology

Positions:

Since 2011: Federal Research Institute WSL; Scientific Researcher Dendroclimatology, Research Unit Landscape Dynamics.

2006-2010: Federal Research Institute WSL; Group leader Paleocology, Research Unit Dendro Sciences.

2003-2006: Federal Research Institute WSL; PostDoc Dendroclimatology, Department Landscape Dynamics.

2000-2003: Research Centre Juelich FZJ, Germany; PhD student, Institute of Sedimentary Systems.

1998-1999: Research Centre Juelich FZJ, Germany; Research assistant, Institute of Sedimentary Systems.

Education:

2003: PhD (Dr. rer. nat. with "summa cum laude"), University of Bonn, Germany.

1998: Diploma degree, Institute of Geography, University of Bonn, Germany.

Projects (running)

Compound specific dual isotope analysis for the investigation of plant response to environmental change (Swiss National Science Foundation, 2016-2018). Function: Co-PI.<

Improving Late Glacial European tree-ring chronologies for accurate climate archive dating - Consolidation and extension of the Swiss-German pine chronology back to 14000 BP. (Swiss National Science Foundation, 2015-2017). Function: Co-PI.

LOTFOR (Swiss National Science Foundation, 2014-2017): Coupling stem water flow and structural carbon allocation in a warming climate: the Lötschental study case. Function: Co-PI.

The relationship between stable isotopes, water-use efficiency and tree mortality under drought (FPS COST Action FP1106 STReESS, 2013-2016). Function: Co-PI.

Projects (finished)

iTREE (Sinergia, Swiss National Science Foundation, 2012-2015): Long-term variability of tree growth in a changing environment - identifying physiological mechanisms using stable C and O isotopes in tree rings. Function: Co-PI.

TreePulse (Swiss National Science Foundation): Water use strategies of Australian tree species to survive drought - a pulse labelling experiment with isotope tracers. International short research visit, Hawkesbury Institute for the Environment, University of Western Sydney, Australia, January-April 2014. Function: PI.

ISOPATH (Swiss National Science Foundation, 2010-2014): Isotope pathways from the atmosphere to the tree ring along a humidity gradient in Switzerland. Function: PI.

Cost action SIBAE (short term scientific mission, Swiss National Science Foundation, July-August 2011): Hydraulic limitations on height growth of treeline trees based on carbon and oxygen isotopes in tree rings. Host for Dr. Giai Petit (University of Padua).

FQRNT (Natural Sciences and Engineering Research Council, Canada, 2010-2012): High-resolution tree response to climate change in boreal and subalpine forest ecosystems. Function: Host for Dr. Sonia Simard (Postdoc).

MedClivar (European Science Foundation, 2010): Latewood density of pine trees for a 1000-year temperature reconstruction in Albania. Function: Host for a 4-months "Young scientists exchange".

MILLENNIUM (European Comission, 2007-2010): European climate of the last Millennium. Function: Subgroup member.

SCOPES (Swiss National Science Foundation 2007-2009): Climatic changes, tree-ring growth and C- and O-isotope variations along longitudinal transects in Siberia and the Urals. Function: Co-PI.

SCOPES (Swiss National Science Foundation, 2006-2008): Climate in Eastern Siberia from tree-ring width, density and carbon isotopes. Function: Co-PI.

ALPIMP (European Comission, 2004-2007): Multi-centennial climate variability in the Alps based on instrumental data, model simulations and proxy data. Function: Postdoc.

ISONET (European Comission, 2004-2007): 400 years of annual reconstructions of European climate variability using a high-resolution isotopic network. Function: Postdoc.

NCCR-VITA (Swiss National Science Foundation, finished): Varves, ice cores and tree rings: archives with annual resolution. Function: Associated person.

Awards:

2005: Poster Award "Swiss Global Change Day", Bern, Switzerland.

2004: Best PhD thesis of the Department of Mathematics and Natural Sciences, University of Bonn, Germany.

2003: Outstanding PhD thesis of the Research Centre Juelich, Germany.

FURTHER INFORMATION

Publications WSL

Scientific publication article peer reviewed

Esper, J.; Holzkämper, S.; Büntgen, U.; Schöne, B.; Keppler, F.; Hartl, C.; George, S.St.; Riechelmann, D.F.C.; Treydte, K., 2018: Site-specific climatic signals in stable isotope records from Swedish pine forests. Trees: Structure and Function, 32: 855-869. doi: 10.1007/s00468-018-1678-z

Pauly, M.; Helle, G.; Miramont, C.; Büntgen, U.; Treydte, K.; Reinig, F.; Guibal, F.; Sivan, O.; Heinrich, I.; Riedel, F.; Kromer, B.; Balanzategui, D.; Wacker, L.; Sookdeo, A.; Brauer, A., 2018: Subfossil trees suggest enhanced Mediterranean hydroclimate variability at the onset of the Younger Dryas. Scientific Reports, 8, 1: 13980 (8 pp.). doi: 10.1038/s41598-018-32251-2

Klesse, S.; Weigt, R.; Treydte, F.; Saurer, M.; Schmid, L.; Siegwolf, R.T.W.; Frank, D.C., 2018: Oxygen isotopes in tree rings are less sensitive to changes in tree size and relative canopy position than carbon isotopes. Plant, Cell and Environment, doi: 10.1111/pce.13424

Büntgen, U.; Wacker, L.; Galván, J.D.; Arnold, S.; Arseneault, D.; Baillie, M.; Beer, J.; Bernabei, M.; Bleicher, N.; Boswijk, G.; Bräuning, A.; Carrer, M.; Charpentier Ljungqvist, F.; Cherubini, P.; Christl, M.; Christie, D.A.; Clark, P.W.; Cook, E.R.; D'Arrigo, R.; ... Young, G.H.F., 2018: Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE. Nature Communications, 9, 1: 3605 (9 pp.). doi: 10.1038/s41467-018-06036-0

Gessler, A.; Cailleret, M.; Joseph, J.; Schönbeck, L.; Schaub, M.; Lehmann, M.; Treydte, K.; Rigling, A.; Timofeeva, G.; Saurer, M., 2018: Drought induced tree mortality - a tree-ring isotope based conceptual model to assess mechanisms and predispositions. New Phytologist, 219, 2: 485-490. doi: 10.1111/nph.15154

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Further scientific publications

Gessler, A.; Treydte, K., 2016: The fate and age of carbon – insights into the storage and remobilization dynamics in trees. New Phytologist, 209, 4: 1338-1340. doi: 10.1111/nph.13863

Leavitt, S.W.; Treydte, K.; Yu, L., 2010: Environment in time and space: opportunities from tree-ring isotope networks. In: West, J.B.; Bowen, G.J.; Dawson, T.E.; Tu, K.P. (eds), 2010: Isoscapes. Understanding movement, pattern, and process on earth through isotope mapping. Dordrecht, Springer. 113-135. doi: 10.1007/978-90-481-3354-3_6

Frank, D.; Bouriaud, O.; Wilson, R.; Battipaglia, G.; Büntgen, U.; Fonti, P.; Treydte, K.; Trouet, V.; Esper, J., 2008: A challenge for spatially explicit reconstructions: the climate response of trees is a function of climate. In: Elferts, D.; Brumelis, H.; Gärtner, H.; Helle, G.; Schleser, G. (eds), 2008: TRACE - Tree Rings in Archaeology, Climatology and Ecology, Vol. 6: Proceedings of the DENDROSYMPOSIUM 2007. DENDROSYMPOSIUM 2007, Riga, Latvia, May 3-6, 2007. 31-36.

Treydte, K.; Schleser, G.H.; Esper, J.; Andreu, L.; Bednerz, T.; Berninger, J.; Böttger, T.; D'Allessandro, C.D.; Etien, N.; Filot, M.; Frank, D.; Grabner, M.; Gutierrez, E.; Haupt, M.; Helle, G.; Hilasvuori, E.; Jungner, H.; ... Kalela-Brundin, M.; Leuenberger, M., 2007: Climate signals in the European isotope network ISONET. In: Helle, G.; Schleser, G. (eds), 2007: TRACE, Tree Rings in Archaeology, Climatology and Ecology. Vol. 5. 138-147.

Treydte, K.; Schleser, G.H.; Esper, J.; Andreu, L.; Bednerz, T.; Berninger, J.; Böttger, T.; D'Allessandro, C.D.; Etien, N.; Filot, M.; Frank, D.; Grabner, M.; Gutierrez, E.; Haupt, M.; Helle, G.; Hilasvuori, E.; Jungner, H.; Kalela-Brundin, M.; ... Leuenberger, M., 2006: The European isotope network ISONET: first results. In: Schleser, G. (eds), 2006: TRACE. Tree Rings in Archaeology, Climatology and Ecology. Volume 4. Dendrosymposium 2005, Fribourg, Switzerland, April 21-23, 2005. 273-280.

Esper, J.; Büntgen, U.; Frank, D.C.; Nievergelt, D.; Treydte, K.; Verstege, A., 2006: Multiple tree-ring parameters from Atlas cedar (Morocco) and their climatic signal. In: Heinrich, I.; Gärtner, H.; Monbaron, M.; Schleser, G. (eds), 2006: TRACE. Tree Rings in Archaeology, Climatology and Ecology. Volume 4. Dendrosymposium 2005, Fribourg, Switzerland, April 21-23, 2005. 46-55.

Treydte, K.S.; Schleser, G.H.; Helle, G.; Frank, D.C.; Winiger, M.; Haug, G.H.; Esper, J., 2006: The twentieth century was the wettest period in northern Pakistan over the past millennium. Nature, 440, 7088: 1179-1182. doi: 10.1038/nature04743

Treydte, K.S., 2005: "Baum-Greise" erzählen vom Klima vor 1200 Jahren. In: 2005: Wissenschaft im Zeichen der Zeit. 125-132.

Büntgen, U.; Esper, J.; Frank, D.C.; Treydte, K.; Schmidhalter, M.; Nicolussi, K.; Seifert, M., 2005: The effect of power transformation on RCS - evidence from three millennial-length alpine chronologies. In: Gärtner, H.; Esper, J.; Schleser, G.H. (eds), 2005: Proceedings of the dendrosymposium 2004, April 22nd-24th 2004, Birmensdorf, Switzerland. Dendrosymposium 2004, Birmensdorf, April 22-24, 2004. 141-149.

Carnelli, A.L.; Ammann, B.; Esper, J.; Filot, M.; Leuenberger, M.; Treydte, K., 2005: Stable isotope ratios in late wood of Picea abies from Engadine. In: Gärtner, H.; Esper, J.; Schleser, G.H. (eds), 2005: Proceedings of the dendrosymposium 2004, April 22nd-24th 2004, Birmensdorf, Switzerland. Dendrosymposium 2004, Birmensdorf, April 22-24, 2004. 112-116.

Treydte, K.; Welscher, C.; Schleser, G.H.; Helle, G.; Esper, J.; Winiger, M.; Frank, D.; Büntgen, U., 2004: The climatic signal in oxygen isotopes of junipers at the lower timberline in the Karakorum, Pakistan. In: Jansma, E.; Bräuning, A.; Gärtner, H.; Schleser, G. (eds), 2004: Proceedings of the dendrosymposium 2003, May 1st-3rd 2003, Utrecht, The Netherlands. Dendrosymposium 2003, Utrecht, May 1-3, 2003. 100-106.

Helle, G.; Treydte, K.; Verheyden, A., 2004: Tropical Swietenia macrophylla wood reveals a systematic recurring carbon isotope pattern. In: Jansma, E.; Bräuning, A.; Gärtner, H.; Schleser, G. (eds), 2004: Proceedings of the dendrosymposium 2003, May 1st-3rd 2003, Utrecht, The Netherlands. Dendrosymposium 2003, Utrecht, May 1-3, 2003. 107-109.

Frank, D.; Esper, J.; Büntgen, U.; Treydte, K., 2004: The first principal component of a high-elevation ring-width network from the western and central Alps. In: Jansma, E.; Bräuning, A.; Gärtner, H.; Schleser, G. (eds), 2004: Proceedings of the dendrosymposium 2003, May 1st-3rd 2003, Utrecht, The Netherlands. Dendrosymposium 2003, Utrecht, May 1-3, 2003. 54-57.

Schleser, G.; Winiger, M.; Bräuning, A.; Gärtner, H.; Helle, G.; Jansma, E.; Neuwirth, B.; Treydte, K. (eds), 2003: Proceedings of the dendrosymposium 2002. 1. TRACE conference (Tree Rings in Archaeology, Climatology and Ecology) , Bonn/Jülich, Germany, April 11-13, 2002. Schriften des Forschungszentrum Jürlich, Reihe Umwelt, 33. Bonn/Jülich, Germany, Forschungszentrum Jülich. 135 p.

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