Table 1 Reasons for exclusions of articles at full-text screening
Reason for exclusion | No. of articles |
|---|---|
Not a study of forests, woodlands or other terrestrial habitats with a tree layer | 44 |
Not a study made in boreal or temperate vegetation zones | 180 |
Not a field study | 42 |
Not a study of interventions intended (or potentially useful) for the conservation or restoration of forest biodiversity (or no useful data on such interventions) | 447 |
No useful comparator data | 101 |
No useful measures of biodiversity or conditions known to influence diversity | 108 |
No useful primary data, but potentially useful as a review | 49 |
Redundant (data also reported elsewhere) | 5 |
Full text not in English, French, German, Swedish, Norwegian, Danish, Finnish, Estonian or Russian | 25 |
Full text not found | 51 |