Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
6,261
Unknown
203
PANGAEA - Data Publisher for Earth & Environmental Science
151
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
116
Directory of Open Access Journals: DOAJ Articles
110
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
102
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
91
Zenodo
89
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
71
Université de Nantes: HAL-UNIV-NANTES
70
Copernicus Publications: E-Journals
69
Natural Environment Research Council: NERC Open Research Archive
69
Digital.CSIC (Spanish National Research Council)
60
NOAA NCEI Environmental Data Archive (via DataONE)
55
University of Southampton: e-Prints Soton
54
Niedersächsisches Online-Archiv NOA
46
Universidad de Las Palmas de Gran Canaria: Acceda
41
LeibnizOpen (The Leibniz Association)
39
Institut national des sciences de l'Univers: HAL-INSU
37
Max Planck Society: MPG.PuRe
36
PubMed Central (PMC)
35
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE)
34
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
32
University of Cambridge, Department of Earth Sciences: ESC Publications
27
Frontiers: Figshare
24
NIOZ Repository (Royal Netherlands Institute for Sea Research)
24
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
23
University of Groningen research database
23
ORA - Oxford University Research Archive
20
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
20
University of East Anglia: UEA Digital Repository
20
eCite UTAS (University of Tasmania)
20
BORIS (Bern Open Repository and Information System, University of Bern)
18
Defense Technical Information Center: DTIC Technical Reports database
18
University College London: UCL Discovery
17
University of California: eScholarship
17
Apollo - University of Cambridge Repository
16
Australian National University: ANU Digital Collections
16
NASA Technical Reports Server (NTRS)
16
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
16
Utrecht University Repository
16
DSpace@MIT (Massachusetts Institute of Technology)
15
Arctic Data Center (via DataONE)
14
Cambridge University Press
14
CentAUR: Central Archive at the University of Reading
14
Université de Bretagne Occidentale: HAL
14
Wiley Online Library
14
Ghent University Academic Bibliography
13
University of Tasmania: UTas ePrints
13
Instituto Español de Oceanografía: e-IEO
12
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