Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
4,082
PANGAEA - Data Publisher for Earth & Environmental Science
3,627
Institute for Marine Research: Brage IMR
1,047
DataCite
903
Directory of Open Access Journals: DOAJ Articles
726
Unknown
709
University of Tromsø: Munin Open Research Archive
540
NOAA NCEI Environmental Data Archive (via DataONE)
428
Wiley Online Library
382
Zenodo
382
ScienceDirect (Elsevier - via Crossref)
376
Springer Nature (via Crossref)
256
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
229
CyberLeninka (Scientific Electronic Library)
185
HighWire Press (Stanford University)
175
University of Bergen: Bergen Open Research Archive (BORA-UiB)
173
PubMed Central (PMC)
149
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
147
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
141
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
139
NTNU Open Archive (Norwegian University of Science and Technology)
135
Copernicus Publications: E-Journals
130
Defense Technical Information Center: DTIC Technical Reports database
130
Frontiers: Figshare
113
Oxford University Press
110
MDPI Open Access Publishing
105
Natural Environment Research Council: NERC Open Research Archive
93
Cambridge University Press
92
ScienceDirect (Elsevier)
92
Polar Research (E-Journal)
89
University of Stavanger: UiS Brage
87
Arctic Data Center (via DataONE)
84
Université de Nantes: HAL-UNIV-NANTES
79
Digital.CSIC (Spanish National Research Council)
74
Informa
67
RePEc (Research Papers in Economics)
67
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
66
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
66
Niedersächsisches Online-Archiv NOA
66
Norsk Polarinstitutt: Brage NP
64
Norwegian Polar Institute: Brage NP
64
Frontiers (Publisher)
59
Institut national des sciences de l'Univers: HAL-INSU
55
NGU Open Archive (Geological Survey of Norway)
53
LeibnizOpen (The Leibniz Association)
52
IOP Publishing
50
Max Planck Society: MPG.PuRe
49
University of Tromsø: Septentrio Academic Publishing
48
Norwegian Polar Data Centre
47
Aarhus University: Research
46
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