What evidence exists for temporal variability in Arctic terrestrial and freshwater biodiversity throughout the Holocene? A systematic map protocol

Table 1 Databases used in search strategy for published sources

Type	Bibliographic database	Language of search string(s)	Source
Formal	Web of Science Core Collection	English	https://www.webofscience.com/wos/woscc/basic-search
	Russian Science Citation Index	English, Russian	https://www.webofscience.com/wos/woscc/basic-search
	Zoological Record	English	https://www.webofscience.com/wos/woscc/basic-search
	CAB Abstracts 1910–2021 Week 31	English	https://www.cabdirect.org
	BIOSIS Previews Archive (1926–1968); BIOSIS (1969–)	English	https://ovid.com; https://www.webofscience.com/wos/woscc/basic-search
	Bielefeld Academic Search Engine	English	https://www.base-search.net
	Scopus	English	https://www.scopus.com
	ProQuest	English
	Cristen	Norwegian	https://app.cristin.no/
	Swepub	Swedish	http://swepub.kb.se/form_extended.jsp
	Reserch.fi	Finnish	https://www.research.fi/en/
	Bibliotek.dk	Danish	https://bibliotek.dk
	Biodiversity Heritage Library	English
Informal	Google Scholar	English	https://scholar.google.com

ISSN: 2047-2382