Environmental and stoichiometric controls on microbial carbon use efficiency in soils – Supporting Information Stefano Manzoni, Philip Taylor, Andreas Richter, Amilcare Porporato and Göran I. Ågren Table S1 List of literature sources used to obtain carbon use efficiency estimates for Figs 1, 4, 5, and 6 Literature source Aquatic Tranvik & Hofle (1987); Griffith et al. (1990); Bjornsen & Kuparinen (1991); ecosystems Chinleo & Benner (1992); Kristiansen et al. (1992); Coffin et al. (1993); Kroer (1993); Amon & Benner (1996b); Amon & Benner (1996a); Carlson et al. (1999); Raymond & Bauer (2000); Biddanda et al. (2001); Lemee et al. (2002); Eiler et al. (2003); Gonzalez et al. (2003); Ram et al. (2003); Anesio et al. (2005); Kritzberg et al. (2005); Reinthaler & Herndl (2005); Reinthaler et al. (2005); del Giorgio et al. (2006); Alonso-Saez et al. (2007a); Alonso-Saez et al. (2007b); Baltar et al. (2007); Ram et al. (2007); Berggren et al. (2010); Kritzberg et al. (2010); del Giorgio et al. (2011); Yuan et al. (2011) Terrestrial Shields et al. (1973); Gilmour & Gilmour (1985); Anderson & Domsch (1986); ecosystems Schimel (1988); Parsons & Smith (1989); Ladd et al. (1992); Sugai & Schimel (1993); Bremer & Kuikman (1994); Hart et al. (1994); Dahlin & Witter (1998); Devevre & Horwath (2000); van Ginkel et al. (2000); Fisk & Fahey (2001); Nguyen & Guckert (2001); Šantrůčková et al. (2004); Ziegler et al. (2005); Brant et al. (2006); Thiet et al. (2006); van Hees et al. (2008); Andreasson et al. (2009); Herron et al. (2009); Dijkstra et al. (2011); Farrell et al. (2011); Tiemann & Billings (2011) 1 References Alonso-Saez L, Aristegui J, Pinhassi J, Gomez-Consarnau L, Gonzalez JM, Vaque D, Agusti S, Gasol JM. 2007a. Bacterial assemblage structure and carbon metabolism along a productivity gradient in the NE Atlantic Ocean. Aquatic Microbial Ecology 46(1): 4353. Alonso-Saez L, Gasol JM, Aristegui J, Vilas JC, Vaque D, Duarte CM, Agusti S. 2007b. 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