AuthorYear,Year,Grain_m2,Extent,Habitat_type,n,NERR_sign,Primary data used for meta-analysis,r,z,var_z
Crawley et al. 1999,1999,9,[0-10],grassland,12,+,Yes,0.08,0.08,0.111
Dimitrakopoulos et al. 2005,2005,4,[0-10],grassland,5,-,Yes,-0.85,-1.256,0.5
Fargione and Tilman 2005,2005,0.6,[0-10],grassland,168,-,Yes,-0.65,-0.775,0.006
Fargione et al. 2003,2003,0.5,[0-10],grassland,147,-,Yes,-0.39,-0.412,0.007
Hector et al. 2001,2001,4,[0-10],grassland,80,-,No,\,\,\
Knops et al. 1999,1999,0.5,[0-10],grassland,147,-,Yes,-0.53,-0.59,0.007
Pfisterer et al. 2004,2004,4,[0-10],grassland,5,-,Yes,-0.96,-1.946,0.5
Petermann et al. 2010,2010,0.1,[0-10],grassland,6,-,Yes,-0.95,-1.832,0.333
Roscher et al. 2009a,2009,4.5,[0-10],riparian(grassland),82,-,No,\,\,\
Roscher et al. 2009b,2009,4.5,[0-10],riparian(grassland),5,-,Yes,-0.96,-1.946,0.5
van Ruijven et al. 2003,2003,0.36,[0-10],grassland,4,-,Yes,-0.93,-1.658,1
Tilman 1997,1997,0.25,[0-10],savanna,60,-,No,\,\,\
Troumbis et al. 2002,2002,1,[0-10],grassland,52,-,Yes,0.468,0.507,0.02
Zhu et al. 2015,2015,0.5,[0-10],grassland,204,-,No,\,\,\