COST 639 ALPIN-CARBON
Contact: Rolf Siegwolf,
- CO2 and H2O gas-exchange of Larix and Pinus needles (photosynthetic uptake (An), stomatal conductance (gH2O) and δ13C and δ18O of needles and tree rings),
- the transfer and allocation of recently fixed non-structural C compounds (NCC: low-molecular sugars, starch and lipids) through different tissues (needles, bark and wood) within Larix branches in spring 2010 and,
- soil microbial biomass, soil microbial community composition, microbial metabolic activity and the substrate use of soil microorganisms (plant-derived C assimilated before or after 2001 and therefore unlabeled or labeled by the FACE experiment).
- Dawes MA, Hagedorn F, Handa IT, Streit K, Ekblad A, Rixen C, Körner C, Hättenschwiler S. 2013. Alpine treelines in a CO2-rich world: synthesis of a nine year free air CO2 enrichment study. Oecologia: : 171(3): 623-637.link
- Hagedorn F, Hiltbrunner D, Streit K, Ekblad A, Lindahl BD, 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. Biogeochemistry: 57: 390-400.link
- Streit K, Rinne KT, Hagedorn F, Dawes MA, Saurer M, Hoch G, Werner RA, Buchmann N, Siegwolf RTW. 2013: Tracing fresh assimilates through Larix decidua exposed to elevated CO2 and soil warming at the alpine treeline using compound-specific stable isotope analysis. New Phytologist: 197(3):838-849. link
- Streit K, Siegwolf RTW, Hagedorn F, Schaub M, Buchmann N. Effects of soil warming and elevated CO2 on carbon and water gas-exchange of Larix decidua and Pinus mugo: growing at the alpine treeline. Plant, Cell & Environment: submitted.
- Streit K, Hagedorn F, Hiltbrunner D, Portmann M, Saurer M, Buchmann N, Wild B, Richter A, Siegwolf RTW. Effects of warming on microbial substrate use in alpine soils. in preparation.