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Table 1 Searching outputs from ScienceDirect, Scopus, and Google Scholar database of time span 2005 to April of 2019

From: A global view of regulatory ecosystem services: existed knowledge, trends, and research gaps

 

Searching terms

No. of research articles

ScienceDirect

Scopus

Google Scholar: Advanced search

Main searching terms

Regulating ecosystem services or regulating services or regulatory ecosystem services or regulatory services

521

893

75 articles, books and book chapters, proceedings, and theses by putting the searching terms in the quotation.

Title-abs-key

Climate regulation

282

231

Water regulation

455

198

Erosion regulation

55

85

Disease regulation

28

11

Pest regulation

39

6

Pollination

117

3

  1. Both Scopus and ScienceDirect databases constitute more publications on climate and water regulation services, but ScienceDirect also had large publications on pollination services