Content Provider
Arctic Data Center (via DataONE)
214
Dryad Digital Repository (Duke University)
176
DataCite Metadata Store (German National Library of Science and Technology)
71
ESS-DIVE: Deep Insight for Earth Science Data (via DataONE)
19
Defense Technical Information Center: DTIC Technical Reports database
17
University of California: eScholarship
10
Royal Holloway University of London: Royal Holloway Digital Repository
7
DataCite
6
Directory of Open Access Journals: DOAJ Articles
5
IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences)
5
University of Calgary Journal Hosting
4
Aarhus University: Research
3
Utah State University: DigitalCommons@USU
3
LaCRIS - University of Lapland Current Research System
2
ORNL DAAC (via DataONE)
2
University of Copenhagen: Research
2
University of St Andrews: Research Portal
2
Australian National University: ANU Digital Collections
1
DORA Eawag
1
Florida International University: Digital Commons@FIU
1
Jultika - University of Oulu repository
1
MDPI Open Access Publishing
1
National Institute of Polar Research Repository, Japan
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
Peking University Institutional Repository (PKU IR)
1
Regional and Global Biogeochemical Dynamics Data (RGD) (via DataONE)
1
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
1
Seoul National University: S-Space
1
University of Colorado, Boulder: CU Scholar
1
University of Florida: Digital Library Center
1
University of Groningen research database
1
University of Idaho Library: Digital Initiatives
1
University of Illinois at Urbana-Champaign: IDEALS (Illinois Digital Environment for Access to Learning and Scholarship)
1
University of Liège: ORBi (Open Repository and Bibliography)
1
University of Maryland: Digital Repository (DRUM)
1
University of Montana: ScholarWorks
1
University of North Texas: UNT Digital Library
1
Unknown
1
Wageningen UR (University & Research Centre): Digital Library
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1