Link zu WSL Hauptseite Swiss Federal Institute for Forest, Snow and Landscape Research WSL
Duration: 2001 - 2014

Publications Stillberg FACE Project

Dawes MA, Hagedorn F, Handa IT, Streit K, Ekblad A, Rixen C, Körner C, Hättenschwiler C (2013) An alpine treelines in a CO2-rich world: synthesis of a nine year free air CO2 enrichment study. Oecologia 171, 623-637.

Hagedorn F, Hiltbrunner D, Streit K, Ekblad A, Lindahl B, Miltner A, Frey B, Handa IT, Hättenschwiler S (2013) Nine years of CO2 enrichment at the Alpine treeline stimulates soil respiration but does not alter soil microbial communities. Soil Biology and Biochemistry 57, 390-400.

Streit K, Rinne KT, Hagedorn F, Dawes MA, Saurer M, Hoch G, Werner RA, Buchmann N, Siegwolf RTW (2013) Tracing fresh assimilates through Larix deciduas exposed to elevated CO2 and soil warming at the alpine treeline using compound-specific stable isotope analysis. New Phytologist 197, 838-849.

Dieleman W, Vicca, S., Dijkstra F, Hagedorn F, Hovenden M, Larsen K, Morgan J, Volder A, Beier C, Dukes J, King J, Leuzinger S, Linder S, Oren R, Tingey D, Hoosbeek M, Lup Y, Janssens I (2012) Simple additive effects are rare: a quantitative review of plant biomass and soil process responses to combined manipulations of CO2 and temperature. Global Change Biology 18, 2681-2693. doi: 10.1111/j.1365-2486.2012.02745.x

Rixen C, Dawes MA, Wipf S, Hagedorn F (2012) Evidence of enhanced freezing damage in treeline plants during six years of CO2 enrichment and soil warming. Oikos. Doi:10.1111/j.1600-0706.2011.20031.x

Dawes M, Hättenschwiler S, Bebi P, Hagedorn F, Handa IT, Körner C, Rixen C (2011) Species-specific tree growth responses to nine years of CO2 enrichment at the alpine treeline. Journal of Ecology 99, 383–394.

Dawes M, Hagedorn F, Zumbrunn T, Handa IT, Hättenschwiler S, Wipf S, Rixen C (2011) Growth and community responses of alpine dwarf shrubs to in situ CO2 enrichment and soil warming. New Phytologist 191, 806–818.

Martin M, Gavazov K, Körner C, Hättenschwiler S, Rixen C (2010) Reduced early growing season freezing resistance in alpine treeline plants under elevated atmospheric CO2. Global Change Biology 16, 1057-1070.

Hagedorn F, Martin M, Rixen C, Rusch S, Bebi P, Zürcher A, Siegwolf R, Wipf S, Escape C, Roy J, Hättenschwiler S (2010) Short-term responses of ecosystem carbon fluxes to experimental soil warming at the Swiss alpine treeline. Biogeochemistry 97, 7-19.

Müller M, Alewell C, Hagedorn F (2009) Effective retention of litter-derived dissolved organic carbon in organic layers. Soil Biology and Biochemistry DOI:10.1016/jsoilbio.2009.02.007.

Hagedorn F, van Hees P, Handa IT, Hättenschwiler S (2008) Elevated atmospheric CO2 fuels leaching of old dissolved organic matter at the alpine treeline. Global Biogeochemical Cycles 22, GB2004, DOI: 10.1029/2007GB003026.

Handa IT, Hagedorn F, Körner C, Hättenschwiler S (2008) No stimulation in root production in response to four years of in situ CO2 enrichment at the Swiss alpine treeline. Functional Ecology 22, 348-358.

Hagedorn F, Machwitz M (2007) Controls on dissolved organic matter leaching from forest litter grown under elevated atmospheric CO2. Soil Biology and Biochemistry 39, 1759-1769.

von Felten S, Hättenschwiler S, Saurer M, Siegwolf RTW (2007) Carbon allocation in shoots of alpine treeline conifers in a CO2 enriched environment. Trees – Structure and Function 21, 283-294.

Handa IT, Körner C, Hättenschwiler S (2006) Conifer stem growth at the altitudinal treeline in response to four years of CO2 enrichment. Global Change Biology 12, 2417-2430.

Asshoff R, Hättenschwiler S (2006) Changes in needle quality and larch bud moth performance in response to CO2 enrichment and defoliation of treeline larches. Ecological Entomology 31, 84-90.

Hättenschwiler S, Zumbrunn T (2006) Hemiparasite abundance in an alpine treeline ecotone increases in response to atmospheric CO2 enrichment. Oecologia 147, 47-52.

Asshoff R, Hättenschwiler S (2005) Growth and reproduction of the alpine grasshopper Miramella alpina feeding on CO2-enriched dwarf shrubs at treeline. Oecologia 142, 191-201.

Handa IT, Körner C, Hättenschwiler S (2005) A test of the treeline carbon limitation hypothesis by in situ CO2 enrichment and defoliation. Ecology 86, 1288-1300.

Hättenschwiler S, Handa IT, Egli L, Asshoff R, Ammann W, Körner C (2002) Atmospheric CO2 enrichment of alpine treeline conifers. New Phytologist 156, 363-375.

Keywords alpine soils, elevated CO2, climate change , carbon, nutrients, DOC, respiration, soil chemistry, stable isotopes, temperature, organic layers, plant ecology, dendroecology, treeline, tree growth