Canopy CO₂ enrichment permits tracing the fate of recently assimilated carbon in a mature deciduous forestKEEL, Sonja G; SIEGWOLF, Rolf T. W; KÖRNER, Christian et al.New phytologist. 2006, Vol 172, Num 2, pp 319-329, issn 0028-646X, 11 p.Article

Rapid mixing between old and new C pools in the canopy of mature forest treesKEEL, Sonja G; SIEGWOLF, Rolf T. W; JAGGI, Maya et al.Plant, cell and environment (Print). 2007, Vol 30, Num 8, pp 963-972, issn 0140-7791, 10 p.Article

Fruit production in three masting tree species does not rely on stored carbon reservesHOCH, Günter; SIEGWOLF, Rolf T. W; KEEL, Sonja G et al.Oecologia. 2013, Vol 171, Num 3, pp 653-662, issn 0029-8549, 10 p.Article

Central European hardwood trees in a high-CO₂ future: synthesis of an 8-year forest canopy CO₂ enrichment projectBADER, Martin K.-F; LEUZINGER, Sebastian; KEEL, Sonja G et al.Journal of ecology. 2013, Vol 101, Num 6, pp 1509-1519, issn 0022-0477, 11 p.Article

Carbon flux and growth in mature deciduous forest trees exposed to elevated CO₂KÖRNER, Christian; ASSHOFF, Roman; BIGNUCOLO, Olivier et al.Science (Washington, D.C.). 2005, Vol 309, Num 5739, pp 1360-1362, issn 0036-8075, 3 p.Article