| Carbon Flux and Growth in Mature Deciduous Forest Trees Exposed to Elevated CO2 C Körner, R Asshoff, O Bignucolo, S Hättenschwiler, SG Keel, ... Science 309 (5739), 1360-1362, 2005 | 671 | 2005 |
| Quantification of effects of season and nitrogen supply on tree below‐ground carbon transfer to ectomycorrhizal fungi and other soil organisms in a boreal pine forest MN Högberg, MJI Briones, SG Keel, DB Metcalfe, C Campbell, ... New phytologist 187 (2), 485-493, 2010 | 444 | 2010 |
| Carbon allocation and carbon isotope fluxes in the plant-soil-atmosphere continuum: a review N Brüggemann, A Gessler, Z Kayler, SG Keel, F Badeck, M Barthel, ... Biogeosciences 8 (11), 3457-3489, 2011 | 422 | 2011 |
| High temporal resolution tracing of photosynthate carbon from the tree canopy to forest soil microorganisms P Högberg, MN Högberg, SG Göttlicher, NR Betson, SG Keel, ... New Phytologist 177 (1), 220-228, 2008 | 380 | 2008 |
| Are ectomycorrhizal fungi alleviating or aggravating nitrogen limitation of tree growth in boreal forests? T Näsholm, P Högberg, O Franklin, D Metcalfe, SG Keel, C Campbell, ... New Phytologist 198 (1), 214-221, 2013 | 284 | 2013 |
| Central European hardwood trees in a high‐CO2 future: synthesis of an 8‐year forest canopy CO2 enrichment project MKF Bader, S Leuzinger, SG Keel, RTW Siegwolf, F Hagedorn, ... Journal of Ecology 101 (6), 1509-1519, 2013 | 175 | 2013 |
| Canopy CO2 enrichment permits tracing the fate of recently assimilated carbon in a mature deciduous forest SG Keel, RTW Siegwolf, C Körner New Phytologist 172 (2), 319-329, 2006 | 153 | 2006 |
| Fruit production in three masting tree species does not rely on stored carbon reserves G Hoch, RTW Siegwolf, SG Keel, C Körner, Q Han Oecologia 171, 653-662, 2013 | 124 | 2013 |
| Short‐term dynamics of abiotic and biotic soil 13CO2 effluxes after in situ 13CO2 pulse labelling of a boreal pine forest JA Subke, HW Vallack, T Magnusson, SG Keel, DB Metcalfe, P Högberg, ... New Phytologist 183 (2), 349-357, 2009 | 108 | 2009 |
| Rapid mixing between old and new C pools in the canopy of mature forest trees SG Keel, RTW Siegwolf, M Jäggi, C Körner Plant, Cell & Environment 30 (8), 963-972, 2007 | 93 | 2007 |
| Stomatal conductance in mature deciduous forest trees exposed to elevated CO2 SG Keel, S Pepin, S Leuzinger, C Körner Trees 21, 151-159, 2007 | 86 | 2007 |
| Expanding leaves of mature deciduous forest trees rapidly become autotrophic SG Keel, C Schädel Tree physiology 30 (10), 1253-1259, 2010 | 76 | 2010 |
| Loss of soil organic carbon in Swiss long-term agricultural experiments over a wide range of management practices SG Keel, T Anken, L Büchi, A Chervet, A Fliessbach, R Flisch, ... Agriculture, Ecosystems & Environment 286, 106654, 2019 | 71 | 2019 |
| Allocation of carbon to fine root compounds and their residence times in a boreal forest depend on root size class and season SG Keel, CD Campbell, MN Högberg, A Richter, B Wild, X Zhou, V Hurry, ... New Phytologist 194 (4), 972-981, 2012 | 71 | 2012 |
| Large uncertainty in soil carbon modelling related to method of calculation of plant carbon input in agricultural systems SG Keel, J Leifeld, J Mayer, A Taghizadeh‐Toosi, JE Olesen European Journal of Soil Science 68 (6), 953-963, 2017 | 58 | 2017 |
| Land use change and nitrogen feedbacks constrain the trajectory of the land carbon sink S Gerber, LO Hedin, SG Keel, SW Pacala, E Shevliakova Geophysical Research Letters 40 (19), 5218-5222, 2013 | 52 | 2013 |
| 13C labelling reveals different contributions of photoassimilates from infructescences for fruiting in two temperate forest tree species G Hoch, SG Keel Plant Biology 8 (05), 606-614, 2006 | 29 | 2006 |
| Simulating oxygen isotope ratios in tree ring cellulose using a dynamic global vegetation model SG Keel, F Joos, R Spahni, M Saurer, RB Weigt, S Klesse Biogeosciences 13 (13), 3869-3886, 2016 | 26 | 2016 |
| Quantifying negative radiative forcing of non-permanent and permanent soil carbon sinks J Leifeld, SG Keel Geoderma 423, 115971, 2022 | 25 | 2022 |
| Visiting dark sides of model simulation of carbon stocks in European temperate agricultural soils: allometric function and model initialization A Taghizadeh-Toosi, WF Cong, J Eriksen, J Mayer, JE Olesen, SG Keel, ... Plant and Soil 450, 255-272, 2020 | 20 | 2020 |