Content Provider
Arctic Data Center (via DataONE)
163
LeibnizOpen (The Leibniz Association)
134
DataCite Metadata Store (German National Library of Science and Technology)
76
Directory of Open Access Journals: DOAJ Articles
46
Unknown
33
Australian National University: ANU Digital Collections
18
IEDA: US Antarctic Program Data Center (via DataONE)
18
MDPI Open Access Publishing
18
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
16
Frontiers: Figshare
15
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
10
Université de Nantes: HAL-UNIV-NANTES
9
Texas Tech University: TTU DSpace Repository
8
University of California: eScholarship
7
University of Tasmania: UTas ePrints
7
Digital.CSIC (Spanish National Research Council)
5
KovsieScholar Repository (University of the Free State - UFS UV)
5
The University of Waikato: Research Commons
5
HAL - Université de La Rochelle
4
Jagiellonian University Repository
4
Research Center for Eco-Environmental Sciences: RCEES OpenIR (Chinese Academy of Sciences)
4
University of Bristol: Bristol Research
4
Università degli Studi di Siena: USiena air
4
AU Digital Research Archive (American University)
3
Charles University CU Digital repository
3
Digital Repository of Scientific Institutes (RCIN)
3
Dryad Digital Repository (Duke University)
3
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
3
IRInSubria - Institutional Repository Insubria (Università degli Studi dell’Insubria)
3
LSU Digital Commons (Louisiana State University)
3
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
3
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
3
theses.fr
3
Apollo - University of Cambridge Repository
2
Arctic and Antarctic Research
2
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
2
Cranfield University: Collection of E-Research - CERES
2
Digital Commons University of South Florida (USF)
2
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
2
Harvard University: Harvard Collections
2
Ice and Snow (E-Journal)
2
Institut national des sciences de l'Univers: HAL-INSU
2
Institute of Hydrobiology, Chinese Academy of Sciences: IHB OpenIR
2
National Institute of Polar Research Repository, Japan
2
Ohio State University (OSU): Knowledge Bank
2
PANGAEA - Data Publisher for Earth & Environmental Science
2
Queen's University, Ontario: QSpace
2
Repositorio Digital Institucional - Universidad de Buenos Aires (RDI UBA)
2
SRUC (Scotland's Rural College): Research Portal
2
SSOAR - Social Science Open Access Repository
2
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