Table S3. A concrete case of research synthesis: Reporting of location of the study area and sampling points. For our meta-analysis (Vetter et al
2013), we analyzed 20 articles testing for effects of tropical forest edges on bird nest predation risk. Since forest cover was not consistently reported
in primary articles, we used the location of the study area and generated the desired data ourselves via satellite images and GIS software.
Article
Coordinates of the study site(s) and
Map
precision
Arango-Vélez and
Map with coordinates or distinct
Precise locations of
reference points*
sampling points
no
yes, Fig. 1
no
no
yes, delineation (degrees/minutes), p.
no
no
no
yes, Fig. 1
no
no
Cooper and Francis 1998 yes (minutes), p. 199
no
no
no
Duca et al 2001
no
no
no
no
Eriksson et al 2001
yes (minutes), p. 743
(Fig. 1, satellite
no
no
Kattan 1997
Burkey 1993
139
Chiarello et al 2008
yes, delineation (minutes), p. 3211
image)
Estrada et al 2002
yes (minutes), p. 200
no
no
no
Gibbs 1991
yes (minutes), p. 156
no
no
no
Hanson et al 2007
yes (minutes), p. 501
no
no
no
Hausmann et al 2005
yes, delineation (minutes), p. 2333
no
no
no
Kotze and Lawes 2007
yes (minutes), p. 295
no
no
no
Latta et al 1995
no
no
no
no
Laurance et al 1993
yes (minutes), p.712
yes, Fig. 1
yes, Fig. 1 (coordinates in precision of
no
minutes)
Lindell 2000
yes (minutes), p. 17
no
no
no
Maina and Jackson 2003 yes, delineation (minutes), p. 162
yes, Fig. 1
yes, Fig. 1 (highway as reference point)
no
Melo and Marini 1997
yes, Fig. 1
yes, Fig. 1 (coordinates in precision of
no
yes (minutes), Table 1
minutes)
Pangau-Adam et al 2006 yes, delineation (minutes), p. 4144
yes, Fig. 1
no
no
Piper et al 2002
no
no
no
no
Spanhove et al 2009
yes (minutes), p. 369
yes, Fig. 1
no
no
no
no
no
Tabarelli and Mantovani yes, delineation (minutes), p. 700
1997
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