Content Provider
NOAA NCEI Environmental Data Archive (via DataONE)
675
DataCite Metadata Store (German National Library of Science and Technology)
75
Arctic Data Center (via DataONE)
51
Dryad Digital Repository (Duke University)
40
Directory of Open Access Journals: DOAJ Articles
37
Unknown
21
ESS-DIVE: Deep Insight for Earth Science Data (via DataONE)
20
PANGAEA - Data Publisher for Earth & Environmental Science
18
Digital.CSIC (Spanish National Research Council)
14
Frontiers: Figshare
14
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
11
HELDA – University of Helsinki Open Repository
11
Gulf of Mexico Research Initiative (via DataONE)
8
Institut national des sciences de l'Univers: HAL-INSU
8
Research Data Australia (Australian National Data Service - ANDS)
8
Umeå University: Publications (DiVA)
8
Université de Nantes: HAL-UNIV-NANTES
8
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
8
Aarhus University: Research
7
Lund University Publications (LUP)
7
Queen's University, Ontario: QSpace
6
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE)
5
IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences)
5
University of Groningen research database
5
University of South Carolina Libraries: Scholar Commons
5
VTechWorks (VirginiaTech)
5
Zenodo
5
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
4
Clark University: Clark Digital Commons
4
Institute of Botany: IBCAS OpenIR (Chinese Academy Of Sciences)
4
University of Michigan: Deep Blue
4
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
3
DRO - Deakin Research Online
3
ETH Zürich Research Collection
3
MDPI Open Access Publishing
3
Swedish University of Agricultural Sciences: Epsilon Archive for Student Projects
3
Technical University of Denmark: DTU Orbit
3
University of California: eScholarship
3
University of Saskatchewan: eCommons@USASK
3
Université de Bretagne Occidentale: HAL
3
Vrije Universiteit Amsterdam (VU): Research Portal
3
Wageningen UR (University & Research Centre): Digital Library
3
Xiamen University Institutional Repository
3
Aberdeen University Research Archive (AURA)
2
Aix-Marseille Université: HAL
2
DORA Eawag
2
Digital Commons University of South Florida (USF)
2
Georgia Institute of Technology: SMARTech - Scholarly Materials and Research at Georgia Tech
2
HAL Lyon 1 (University Claude Bernard Lyon 1)
2
HAL Sorbonne Université
2
more ...