Table 2 Search query and results.

From: Role of urban vegetation in air phytoremediation: differences between scientific research and environmental management perspectives

Search term

Search query

Hits of records

Query #1

#1: TS = (air pollut*)

1,006,460

Query #2

#2: TS = (urban* OR city)

1,374,054

Query #3

#3: (vegeta* OR tree* OR green infrastructure* OR greenspace*)

2,401,366

Query #4

#1 AND #2 AND #3

9189