These data are presented to complement publications that include these studies in meta-analyses. If you plan to use these data for other analyses, please contact Lee Dyer for more details: ldyer@mesastate.edu. Descriptions of the data and literature cited are below the table.
lat conx conn constd expx expn expstd IV DV DVm effect papertmp 5.20 195.00 1.80 7.20 195.00 1.80 res plt bio dirpos Abrahamson et al. 1988
tmp 5.90 5.00 1.57 15.00 5.00 2.68 res plt bio dirpos Aerts 1989
trop 0.06 40.00 0.00 0.18 9.00 0.08 hrb plt bio dirneg Aide 1992
trop 86.16 21.00 8.60 3.41 22.00 2.42 hrb plt bio dirneg Anderson and Lee 1995
tmp 5.50 5.00 1.50 2.30 5.00 1.12 prd hrb bio dirneg Atlegrim 1989
trop 31.30 6.00 10.29 47.50 6.00 17.64 prd plt bio inpos Bach 1991
trop 120.00 6.00 36.74 52.00 6.00 39.19 prd hrb bio dirneg Bach 1991
trop 120.00 6.00 36.74 52.00 6.00 39.19 prd hrb bio inpos Bach 1991
tmp 54.60 30.00 0.00 47.30 30.00 0.00 chm hrb bio dirneg Bauer and Nordin 1988
tmp 1.23 16.00 0.32 1.69 16.00 0.52 res plt bio dirpos Bjorkman et al. 1991
tmp 2.10 16.00 0.40 2.45 16.00 0.40 res plt chm dirpos Bjorkman et al. 1991
tmp 57.00 10.00 28.00 69.90 10.00 24.30 res hrb bio inneg Bjorkman et al. 1991
tmp 7.80 10.00 4.20 0.20 10.00 0.40 chm prd bio inneg Boeve 1991
trop 25.59 27.00 50.19 180.68 27.00 143.67 chm hrb bio dirneg Braker and Chazdon
tmp 3.00 4.00 0.20 3.10 4.00 0.20 res plt chm dirneg Bryant et al. 1987
tmp 3.10 4.00 0.20 4.60 4.00 1.00 res plt chm dirpos Bryant et al. 1987
tmp 3.30 10.00 1.58 6.80 10.00 1.58 res plt bio dirpos Bryant et al. 1987
tmp 94.00 10.00 3.16 1.00 10.00 0.50 res hrb bio inneg Bryant et al. 1987
trop 0.56 9.00 0.20 1.41 9.00 0.41 prd hrb bio inpos Buckley 1990
trop 0.85 5.00 0.32 0.22 5.00 0.22 prd prd bio dirneg Buckley and Gullan 1991
trop 8.00 9.00 3.00 10.80 9.00 3.00 res plt bio dirpos Burslem et al. 1996
tmp 96.00 20.00 27.95 71.00 20.00 27.95 hrb plt bio dirneg Cain et al. 1991
trop 144.20 8.00 17.50 398.50 8.00 89.10 res plt bio dirpos Chazdon and Pearcy 1986
tmp 1.50 34.00 8.75 3.40 29.00 2.64 res plt sur dirpos Collinge and Louda 1989
tmp 2.90 31.00 2.23 3.40 29.00 2.64 hrb plt sur dirpos Collinge and Louda 1989
trop 56.67 10.00 12.65 91.11 10.00 21.08 hrb plt bio dirpos Dangerfield and Modukanele 1996
tmp 28.00 6.00 17.15 12.00 6.00 9.80 hrb plt bio dirneg D'Antonio et al. 1993
trop 9.40 5.00 2.60 13.40 5.00 4.10 hrb plt div dirpos Debrot and de Freitas 1993
trop 46.30 5.00 21.20 17.40 5.00 14.90 hrb plt bio dirneg Debrot and de Freitas 1993
trop 0.27 16.00 0.14 0.48 16.00 0.17 prd plt sur inpos del Claro et al. 1996
trop 17.70 15.00 4.46 10.80 15.00 1.93 prd hrb bio dirneg del Claro et al. 1996
tmp 64.30 8.00 14.10 144.20 8.00 26.20 res plt bio dirpos DeLucia et al. 1989
trop 15.00 14.00 8.98 38.00 40.00 8.85 res plt div inpos Duivenvoorden 1996
trop 202.80 12.00 219.97 0.30 3.00 1.04 prd hrb bio dirneg Escalante and Benado 1990
tmp 13.80 9.00 9.00 83.30 6.00 14.30 chm hrb bio inpos Faeth 1985
trop 0.08 10.00 0.01 0.10 10.00 0.01 hrb res bio dirpos Farji Brener and Silva 1995
trop 0.17 4.00 0.13 0.14 12.00 0.04 chm hrb bio dirneg Farnsworth and Ellison 1991
trop 1075.00 12.00 259.81 640.00 16.00 86.60 res plt chm dirneg Feller 1996
trop 0.03 10.00 0.02 0.08 10.00 0.05 res hrb bio dirpos Feller and Mathis 1997
trop 3.90 20.00 2.41 17.27 20.00 6.73 chm hrb bio dirneg Filip et al. 1995
tmp 44.80 16.00 10.00 12.10 16.00 3.20 hrb plt bio dirneg Fox and Morrow 1992
tmp 7.09 22.00 0.94 7.47 22.00 0.75 res hrb bio inpos Fox et al. 1990
trop 680.00 3.00 94.00 337.00 3.00 43.00 chm hrb bio dirneg Ganzhorn 1992
tmp 16.00 4.00 5.00 22.00 4.00 3.00 res plt bio dirpos Gebauer et al. 1987
trop 16.70 3.00 16.00 63.70 5.00 7.20 res plt div dirpos Gentry and Emmons 1986
trop 0.49 17.00 0.27 0.09 6.00 0.02 hrb plt bio dirneg Georgiadis 1989
trop 15.20 5.00 2.10 21.70 5.00 2.10 res plt bio dirpos Georgiadis 1989
trop 70.10 3.00 33.60 318.00 3.00 43.82 res plt bio dirpos Gerwing 1995
tmp 20.60 129.00 10.50 24.60 108.00 9.60 res hrb bio dirpos Glyphis and Puttick 1989
tmp 21.40 127.00 11.40 17.70 212.00 8.10 res hrb bio inneg Glyphis and Puttick 1989
tmp 60.00 3.00 4.00 83.00 3.00 9.00 res plt chm dirpos Glyphis and Puttick 1989
tmp 334.70 136.00 106.80 262.00 133.00 112.50 res plt bio dirpos Glyphis and Puttick 1989
tmp 2.80 6.00 6.80 58.30 14.00 7.00 prd prd bio dirneg Gunnarsson 1985
trop 2380.00 11.00 2197.00 774.00 11.00 881.00 hrb plt bio dirneg Guy 1989
tmp 9.70 10.00 0.63 3.80 10.00 3.48 chm prd bio inneg Hare and Eisner 1993
tmp 221.63 19.00 56.84 115.53 13.00 42.91 chm hrb bio dirneg Harrison and Karban 1986
tmp 32.30 5.00 6.83 51.40 5.00 9.16 res plt bio dirpos Haukioja et al. 1985
tmp 862.50 2.00 335.90 375.50 2.00 33.20 prd hrb bio dirneg Haukioja et al. 1985
tmp 6.50 12.00 1.39 6.20 12.00 0.69 hrb plt div dirneg Heske et al. 1993
tmp 390.00 12.00 103.92 250.00 12.00 173.21 hrb plt bio dirneg Heske et al. 1993
trop 1025.00 10.00 155.00 415.00 10.00 90.00 prd hrb bio dirneg Houston 1987
trop 47.30 24.00 6.40 42.00 24.00 8.60 chm hrb bio dirneg Howard 1990
trop 2.90 158.00 2.80 4.10 158.00 0.60 res plt sur dirpos Howe 1990
trop 15.30 3.00 3.50 5.70 3.00 4.00 hrb plt sur dirneg Howe 1990
trop 0.13 20.00 0.36 0.36 10.00 0.41 res prd bio inpos Hustler and Howells 1990
tmp 71.40 5.00 2.68 64.40 5.00 2.24 chm hrb bio dirneg Jensen 1988
tmp 1.50 12.00 1.73 1.70 12.00 2.77 chm hrb bio none Johnson et al. 1985
tmp 0.19 25.00 0.15 2.70 25.00 0.50 res plt bio dirpos Julkunen-Tiitto et al. 1993
tmp 2.60 25.00 2.00 12.50 25.00 1.50 res plt chm dirpos Julkunen-Tiitto et al. 1993
tmp 10.00 25.00 4.00 5.00 25.00 1.00 res plt chm dirneg Julkunen-Tiitto et al. 1993
tmp 48.00 6.00 17.00 7.00 6.00 4.00 chm prd bio inneg Kearsley and Whitham 1992
tmp 1.10 32.00 1.13 0.53 32.00 0.57 prd hrb bio dirneg Kelly 1986
tmp 17.30 12.00 41.20 57.20 18.00 50.80 prd plt bio inpos Kelly 1986
tmp 4.40 5.00 1.34 5.60 8.00 0.51 plt hrb div dirpos Kemp et al. 1990
tmp 9.00 7.00 5.29 73.00 9.00 105.00 plt hrb bio dirpos Kimberling et al. 1990
tmp 810.00 9.00 69.00 660.00 16.00 68.00 hrb plt bio dirneg Kinsman and Platt 1984
tmp 27.00 4.00 12.00 45.00 4.00 6.00 res plt bio dirpos Koch et al. 1989
tmp 35.40 6.00 2.94 38.20 6.00 4.41 hrb plt div dirpos Korn and Korn 1989
tmp 234.00 60.00 89.00 122.60 60.00 17.00 hrb plt bio dirneg Korn and Korn 1989
tmp 0.26 30.00 0.02 0.23 30.00 0.03 chm hrb bio dirneg Krischik et al. 1991
trop 1.00 5.00 1.19 0.40 5.00 0.69 chm hrb bio dirneg Kursar and Coley 1992
trop 0.01 525.00 0.00 0.02 750.00 0.01 chm hrb bio inpos Lacerda et al. 1986
trop 294.00 36.00 132.00 77.50 20.00 101.00 hrb plt sur dirneg Lam and Dudgeon 1985a
trop 200.00 75.00 19.60 114.70 75.00 19.60 hrb plt bio dirneg Lee 1991
trop 0.27 3.00 0.10 0.05 3.00 0.01 prd hrb bio dirneg Letourneau and Dyer 1998
trop 5.70 3.00 6.06 560.30 3.00 328.05 hrb plt bio dirneg Letourneau and Dyer 1998
trop 560.30 3.00 328.05 5.70 3.00 6.06 prd plt bio inpos Letourneau and Dyer 1998
trop 0.24 30.00 0.27 0.06 45.00 0.13 prd hrb bio dirneg Letourneau et al. 1993
tmp 0.03 15.00 0.03 0.15 15.00 0.08 res hrb bio inpos Lightfoot and Whitford 1990
tmp 6.86 20.00 1.78 5.78 20.00 2.42 chm hrb bio dirneg Lincoln and Couvet 1989
trop 5.80 12.00 1.70 3.90 12.00 1.10 prd hrb div dirneg Lounibos et al. 1987
trop 13.00 12.00 3.80 0.00 12.00 0.03 prd hrb bio dirneg Lounibos et al. 1987
trop 34.70 121.00 4.60 18.90 37.00 4.60 prd prd bio dirneg Lounibos et al. 1987
trop 2.90 10.00 1.90 10.80 10.00 4.90 res plt chm dirpos Lowman 1992
tmp 22.40 11.00 2.32 16.00 12.00 1.73 chm hrb bio dirneg Manuwoto and Scriber 1986
tmp 0.40 9.00 0.15 0.80 9.00 0.24 res plt bio dirpos Marks and Clay 1990
tmp 6.30 4.00 2.20 2.90 4.00 1.00 prd hrb bio dirneg Meserve et al. 1993
tmp 16.20 3.00 1.04 6.50 3.00 0.35 res plt bio dirpos Methy et al. 1990
tmp 0.25 10.00 0.16 0.13 10.00 0.06 chm hrb bio dirneg Meyer and Montgomery 1987
tmp 39.50 10.00 7.43 28.90 10.00 10.34 hrb plt bio dirneg Meyer and Whitlow 1992
tmp 5.10 12.00 1.73 3.10 12.00 1.70 res plt chm dirneg Mihaliak and Lincoln 1985
tmp 0.22 7.00 0.08 0.39 15.00 0.15 hrb plt bio dirpos Mihaliak and Lincoln 1989
tmp 6.38 6.00 3.40 4.89 9.00 1.35 res plt chm dirneg Mihaliak and Lincoln 1989
tmp 16.00 17.00 12.37 50.00 25.00 40.00 res hrb bio inpos Minkenberg and Ottenheim 1990
tmp 50.00 25.00 40.00 16.00 17.00 12.37 chm hrb bio dirneg Minkenberg and Ottenheim 1990
tmp 583.00 25.00 155.00 1763.00 17.00 387.57 res plt bio dirpos Minkenberg and Ottenheim 1990
tmp 549.50 24.00 584.94 560.10 24.00 750.03 plt hrb bio none Munger 1992
tmp 1086.60 16.00 713.20 1692.60 16.00 458.40 prd hrb bio none Munger 1992
trop 6.00 117.00 9.08 0.80 51.00 1.14 chm hrb bio dirneg Murali and Sukumar 1993
trop 22.00 15.00 38.73 0.00 15.00 0.00 prd hrb bio dirneg Naeem 1988
trop 5.45 28.00 2.59 1.72 28.00 2.12 chm hrb bio dirneg Newbery and de Foresta 1984
trop 7.79 12.00 1.97 3.79 6.00 1.49 res hrb bio inneg Newbery and de Foresta 1984
trop -0.20 9.00 0.90 3.50 10.00 2.53 res plt bio dirpos Nichols-Orians 1991
trop 6.60 9.00 1.50 12.00 10.00 3.16 res plt chm dirpos Nichols-Orians 1991
trop -0.16 3.00 0.30 1.33 3.00 0.36 res plt bio dirpos Oberbauer and Strain 1985
tmp 17.90 29.00 4.10 25.20 43.00 6.10 res hrb bio inpos Ohmart et al. 1985
tmp 17.90 29.00 4.10 25.20 43.00 6.10 chm hrb bio inpos Ohmart et al. 1985
tmp 27.60 10.00 3.80 19.80 38.00 2.00 res plt chm dirneg Ohmart et al. 1985
trop 14.30 6.00 4.30 9.70 6.00 6.30 prd hrb div dirneg Otis et al. 1986
trop 58.20 6.00 24.40 32.70 6.00 24.10 prd hrb bio dirneg Otis et al. 1986
trop 0.39 20.00 0.45 1.30 20.00 0.49 hrb plt bio dirpos Oyama and Mendoza 1990
trop 0.04 20.00 0.03 0.19 20.00 0.03 hrb plt bio dirneg Parra-Tabla and Bullock 1998
trop 80.00 20.00 17.89 61.00 20.00 8.94 res plt bio dirpos Parra-Tabla and Bullock 1998
tmp 52.60 1.00 8.20 15.30 2.00 4.10 prd hrb bio dirneg Pech et al. 1992
tmp 33.80 6.00 9.80 26.10 6.00 6.12 hrb plt bio dirneg Polley and Detling 1988
tmp 32.90 5.00 14.53 28.30 5.00 13.86 res hrb bio inneg Potter 1992
tmp 329.70 5.00 86.76 426.50 5.00 122.54 res plt bio dirpos Potter 1992
tmp 8.40 8.00 0.50 1.40 8.00 0.30 chm hrb sur dirneg Potter and Kimmerer 1989
tmp 117.90 8.00 12.20 2.40 8.00 0.70 chm hrb bio dirneg Potter and Kimmerer 1989
tmp 2.40 8.00 1.41 0.40 8.00 0.85 hrb plt div dirneg Prins and Nell 1990
tmp 3.88 10.00 1.01 2.83 10.00 1.36 hrb plt sur dirneg Prins and Nell 1990
tmp 168.30 79.00 44.30 123.50 79.00 23.90 chm hrb bio dirneg Puttick 1986
tmp 3.80 11.00 3.20 19.70 11.00 12.10 chm hrb bio dirpos Rank 1992
tmp 1.90 10.00 3.79 13.00 10.00 9.17 res plt bio dirpos Reichardt et al. 1991
tmp 5.00 4.00 2.00 9.00 4.00 2.40 res plt chm dirpos Reichardt et al. 1991
tmp 26.00 10.00 1.90 45.50 10.00 4.43 res hrb bio inpos Reichardt et al. 1991
trop 16.30 6.00 5.90 0.00 2.00 0.00 prd plt bio dirneg Renner and Ricklefs 1998
tmp 22.00 8.00 8.49 40.00 8.00 33.94 res plt bio dirpos Ritchie and Tilman 1993
tmp 22.00 8.00 8.50 10.00 8.00 8.49 hrb plt bio dirneg Ritchie and Tilman 1993
tmp 0.39 15.00 0.23 0.05 15.00 0.06 prd prd bio dirneg Rosenheim et al. 1993
tmp 0.40 15.00 1.20 0.80 15.00 1.20 prd hrb bio inpos Rosenheim et al. 1993
tmp 1.90 15.00 1.16 0.40 15.00 1.16 prd hrb bio dirneg Rosenheim et al. 1993
tmp 30.00 5.00 15.65 6.00 5.00 0.00 hrb plt bio dirneg Schaffer and Mason 1990
tmp 18.00 20.00 4.47 50.00 20.00 8.94 res plt bio dirpos Schmid et al. 1990
tmp 4.50 4.00 1.20 8.20 4.00 1.60 res plt bio dirpos Schmitz 1993
tmp 8.20 4.00 1.60 4.00 4.00 1.60 hrb plt bio dirneg Schmitz 1993
tmp 8.20 4.00 1.60 5.00 4.00 2.00 prd plt bio inpos Schmitz 1993
tmp 1.50 4.00 1.00 1.00 4.00 0.50 res plt bio none Simms 1987
tmp 3.00 4.00 2.00 8.00 4.00 res plt bio dirpos Simms 1987
tmp 1.01 14.00 0.69 0.01 27.00 0.64 chm hrb bio dirneg Speiser et al. 1992
trop 268.70 3.00 77.70 78.70 3.00 31.70 prd prd bio dirneg Spiller and Schoener 1990
tmp 15.80 8.00 1.70 6.40 8.00 4.24 prd hrb bio dirneg Stamp and Bowers 1988
tmp 0.44 5.00 0.03 0.29 5.00 0.08 prd hrb bio dirneg Stamp and Bowers 1991
tmp 9.10 22.00 0.70 7.20 22.00 0.47 chm prd bio inneg Stamp et al. 1991
trop 1.95 10.00 0.38 1.69 10.00 0.27 prd hrb bio dirneg Suarez et al. 1998
tmp 1.00 3.00 0.15 8.20 3.00 2.00 res plt bio dirpos sun Lee et al. 1986
tmp 97.00 3.00 1.00 5.00 3.00 3.00 chm hrb bio dirneg Tahvanainen et al. 1985
tmp 73.90 8.00 1.70 95.60 8.00 4.40 res plt bio dirpos Taylor and Davies 1986
tmp 2.29 95.00 0.77 1.57 95.00 0.59 chm hrb bio dirneg Tscharntke 1988
trop 1.60 3.00 1.70 5.20 3.00 5.00 res plt bio dirpos van der Meer et al. 1998
trop 0.50 15.00 6.97 22.60 15.00 18.98 prd plt bio inpos Vasconcelos 1991
trop 24.50 15.00 22.85 0.70 15.00 0.39 prd hrb bio dirneg Vasconcelos 1991
trop 0.89 97.00 0.49 0.58 30.00 0.38 hrb plt bio dirneg Vasconcelos and Casimiro 1997
trop 2.25 8.00 1.58 0.21 47.00 0.55 prd hrb bio dirneg Vasconcelos and Casimiro 1997
trop 17.80 3.00 3.00 1.70 3.00 0.50 hrb plt sur dirneg Vasconcelos and Cherrett 1997
trop 29.70 16.00 12.00 7.60 22.00 11.26 hrb plt bio dirneg Vasconcelos and Cherrett 1997
tmp 0.69 4.00 0.20 0.25 4.00 0.10 hrb plt bio dirneg Vinton and Hartnett 1992
tmp 26.10 35.00 25.44 14.90 35.00 12.42 prd plt chm inneg Vrieling et al. 1991
tmp 1.10 60.00 1.16 0.60 60.00 0.77 hrb plt bio dirneg Vuorisalo et al. 1990
tmp 4.00 20.00 1.34 7.80 20.00 1.30 hrb plt chm dirpos Wagner and Evans 1985
trop 3.60 16.00 0.80 4.70 16.00 0.80 res plt bio dirpos Walker and Aplet 1994
tmp 2.40 11.00 1.99 4.00 10.00 3.16 res hrb bio inpos Wallace and O'Dowd 1989
tmp 13.00 29.00 7.00 7.80 31.00 3.90 res plt bio inneg Wallace and O'Dowd 1989
tmp 30.40 19.00 20.05 0.60 18.00 0.42 hrb plt bio dirneg Wallace and O'Dowd 1989
tmp 50.80 4.00 56.00 32.50 4.00 31.90 prd hrb sur dirneg Warrington 1985
tmp 5.37 7.00 0.50 4.18 5.00 0.47 hrb plt bio dirneg Warrington et al. 1989
tmp 5.70 4.00 1.80 4.75 4.00 1.40 res plt bio dirpos Watt 1989
tmp 142.60 3.00 16.20 212.20 3.00 45.70 res plt chm dirpos Watt 1989
trop 5.29 7.00 3.41 2.14 7.00 1.38 prd hrb bio dirneg Whalen and Mackay 1988
tmp 1.80 10.00 0.63 10.10 10.00 3.48 res plt bio dirpos Widmann et al. 1990
tmp 6.30 5.00 0.67 5.50 5.00 0.67 hrb plt bio dirneg Willis et al. 1993
lat = latitude; tmp = temperate; trop = tropical
conx/expx = control/experimental mean
conn/expn = control/experimental sample size
constd/expstd = control/experimental standard deviation
IV = independent variable
DV = dependent variable
DVm = response measured for the dependent variable
dirpos = direct positive effect
inpos = indirect positive effect
dirneg = direct negative effect
inneg = indirect negative effect
res = plant resources (minerals or light)
hrb = herbivores
prd = predators
chm = plant defense
plt = plants
bio = biomass
sur = survivorship/fitness
div = diversity
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