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Table 4 Sources searched and search methods according to source type

From: Absence of evidence for the conservation outcomes of systematic conservation planning around the globe: a systematic map

Source typeSourceWeblinkSearch methoda
Publication databaseWeb of Science ™ Core Collectionhttps://webofknowledge.comSearched on title, abstract and keywords using the publication database search string adapted for each database
All results extracted
SCOPUShttps://www.scopus.com
CAB Abstractshttps://www.cabi.org/publishing-products/online-information-resources/cab-abstracts/
Search engineGoogle Scholarhttps://scholar.google.co.ukSearched on title only using the Google Scholar search string
A second search required ‘evaluation’ to also appear in the title
For both searches, the first 1000 results were retrieved using the software Harzing’s Publish or Perish [91].
Online repositoriesOpen greyhttp://www.opengrey.eu/Searched on title only, using the Google Scholar search string
PAIS international (ProQuest)http://www.proquest.com/products-services/pais-set-c.html
Proceedings First (OCLC Online Computer Library Center, Inc.)http://www.oclc.org
Papers First (OCLC Online Computer Library Center, Inc.)http://www.oclc.org
Websites of specialist organisations and online databasesCampbell collaborationhttp://www.campbellcollaboration.org/lib/Where possible, organisational databases and websites were searched on all text using the Google Scholar search string with Boolean operators
Where within-website searches could not be conducted on the whole Google Scholar search string using Boolean operators, individual terms were searched, and the resultant search lists combined, and duplicates removed
Center for International Forestry Research (CIFOR)—libraryhttp://www.cifor.org/library/
Environmental evidencehttp://www.environmentalevidence.org
Conservation evidencehttp://www.conservationevidence.com
Coral triangle initiativehttp://www.coraltriangleinitiative.org
Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australiahttps://publications.csiro.au/
Evidence on demandhttp://www.evidenceondemand.info/library.aspx
IUCN evaluations databasehttps://www.iucn.org/monitoring-and-evaluation/monitoring-our-work/evaluations-database
IUCN Library Systemhttps://portals.iucn.org/library/dir/publications-list
Natureservehttp://www.natureserve.org/biodiversity-science/publications
Poverty and Conservation Learning Group—Bibliographic databasehttps://www.povertyandconservation.info/en/bibliographies
Poverty and Conservation Learning Group—Biodiversity-poverty evidence databasehttps://www.povertyandconservation.info/biodiversity-poverty-evidence
Poverty and Conservation Learning Group—PCLG publicationshttps://www.povertyandconservation.info/en/pclg-publications
Protected Planethttp://www.protectedplanet.net
SANBI Planning database, South Africahttp://www.sanbi.org/information/documents
The Digital Observatory for Protected Areas (Europe)http://dopa.jrc.ec.europa.eu/en/documentation
United Nations Environment Programme—World Conservation Monitoring Centrehttps://www.unep-wcmc.org/resources-and-data
Biodiversity Heritage Libraryhttp://www.biodiversitylibrary.org/
USAID Development Experience Clearinghouse (Evaluations)https://dec.usaid.gov/dec/content/evaluations.aspx
USAID Biodiversity Conservation Gatewayhttps://rmportal.net/biodiversityconservation-gateway 
World Wildlife Fund for Nature Internationalhttps://wwf.panda.org 
OpportunisticFour academic conferences
Subject experts
 General calls were made during presentations and on Twitter
Requests were made via email
  1. aDetailed records of the dates and criteria used for each search are included in Additional file 1