Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
56
Arctic Data Center (via DataONE)
50
Directory of Open Access Journals: DOAJ Articles
13
Dryad Digital Repository (Duke University)
12
Knowledge Network for Biocomplexity (via DataONE)
8
Unknown
6
MDPI Open Access Publishing
4
The Royal Society: Figshare
3
Utah State University: DigitalCommons@USU
3
Zenodo
3
Frontiers: Figshare
2
Lund University Publications (LUP)
2
Norsk Polarinstitutt: Brage NP
2
Aarhus University: Research
1
Caltech Authors (California Institute of Technology)
1
Dalhousie University: DalSpace Institutional Repository
1
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
1
Institut national de la recherche scientifique, Québec: Espace INRS
1
JYX - Jyväskylä University Digital Archive
1
Jultika - University of Oulu repository
1
Magnolia press
1
National Institute of Polar Research Repository, Japan
1
South Dakota State University (SDSU): Open PRAIRIE (Public Research Access Institutional Repository and Information Exchange)
1
Stockholm University: Publications (DiVA)
1
The University of Southern Mississippi: The Aquila Digital Community
1
Theses Canada/Thèses Canada (Library and Archives Canada)
1
UFZ - Publication Index (Helmholtz-Centre for Environmental Research)
1
Umeå University: Publications (DiVA)
1
University College London: UCL Discovery
1
University of Copenhagen: Research
1
University of Gothenburg: GUPEA (Gothenburg University Publications Electronic Archive)
1
University of Nebraska-Lincoln: DigitalCommons@UNL
1
University of Texas at El Paso: Digital Commons@UTEP
1
University of Victoria (Canada): UVicDSpace
1
Wageningen UR (University & Research Centre): Digital Library
1