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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 type Source Weblink Search methoda
Publication database Web of Science ™ Core Collection Searched on title, abstract and keywords using the publication database search string adapted for each database
All results extracted
CAB Abstracts
Search engine Google Scholar Searched 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 repositories Open grey Searched on title only, using the Google Scholar search string
PAIS international (ProQuest)
Proceedings First (OCLC Online Computer Library Center, Inc.)
Papers First (OCLC Online Computer Library Center, Inc.)
Websites of specialist organisations and online databases Campbell collaboration 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)—library
Environmental evidence
Conservation evidence
Coral triangle initiative
Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia
Evidence on demand
IUCN evaluations database
IUCN Library System
Poverty and Conservation Learning Group—Bibliographic database
Poverty and Conservation Learning Group—Biodiversity-poverty evidence database
Poverty and Conservation Learning Group—PCLG publications
Protected Planet
SANBI Planning database, South Africa
The Digital Observatory for Protected Areas (Europe)
United Nations Environment Programme—World Conservation Monitoring Centre
Biodiversity Heritage Library
USAID Development Experience Clearinghouse (Evaluations)
USAID Biodiversity Conservation Gateway  
World Wildlife Fund for Nature International  
Opportunistic Four 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