Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
6,076
PANGAEA - Data Publisher for Earth & Environmental Science
2,191
Directory of Open Access Journals: DOAJ Articles
1,499
Unknown
993
PubMed Central (PMC)
861
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
743
Wiley Online Library
590
Research Data Australia (Australian National Data Service - ANDS)
574
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE)
550
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
529
LeibnizOpen (The Leibniz Association)
512
Frontiers: Figshare
490
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
466
Springer Nature (via Crossref)
465
Institut national des sciences de l'Univers: HAL-INSU
386
Copernicus Publications: E-Journals
345
ScienceDirect (Elsevier - via Crossref)
322
University of California: eScholarship
320
Université de Nantes: HAL-UNIV-NANTES
310
HAL Sorbonne Université
301
Zenodo
277
Frontiers (Publisher)
268
Digital.CSIC (Spanish National Research Council)
249
ScienceDirect (Elsevier)
245
eCite UTAS (University of Tasmania)
245
James Cook University, Australia: ResearchOnline@JCU
239
Niedersächsisches Online-Archiv NOA
221
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
221
University of Southampton: e-Prints Soton
204
Dryad Digital Repository (Duke University)
190
University of Tasmania: UTas ePrints
177
The University of Queensland: UQ eSpace
176
The Royal Society: Figshare
169
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
166
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
157
Oxford University Press
153
MDPI Open Access Publishing
147
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University)
141
Natural Environment Research Council: NERC Open Research Archive
139
NOAA NCEI Environmental Data Archive (via DataONE)
134
PLOS
131
Western Washington University: CEDAR (Contributing to Education through Digital Access to Research)
131
The Royal Society
115
RePEc (Research Papers in Economics)
112
King Abdullah University of Science and Technology: KAUST Repository
111
Université de Bretagne Occidentale: HAL
108
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
104
ScholarsArchive@OSU (Oregon State University)
103
IRIS Università degli Studi di Palermo
98
The University of Adelaide: Digital Library
97
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