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Table 3 Databases and search engines used

From: What evidence exists on how changes in marine ecosystem structure and functioning affect ecosystem services delivery? A systematic map protocol

Platform Databases and search engines Years Platform or provider
Scopus Scopus 1788–2020 Elsevier
Web of science core collection Arts and humanities citation index 1975–present Clarivate analytics
Conference proceedings citation index: 1998–present
 - Science
 - Social science and humanities 1998–present
Current chemical reactions 1985–present
Emerging sources citation index 2015–present
Index chemicus 1993–present
Science citation index expanded 1900–present
Social sciences citation index 1956–present
Google scholar Google scholar N/A Google