Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
959
Zenodo
31
Directory of Open Access Journals: DOAJ Articles
24
Natural Environment Research Council: NERC Open Research Archive
24
Unknown
21
LeibnizOpen (The Leibniz Association)
20
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
19
Research Data Australia (Australian National Data Service - ANDS)
14
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
10
PubMed Central (PMC)
10
Cambridge University Press
9
eCite UTAS (University of Tasmania)
9
PANGAEA - Data Publisher for Earth & Environmental Science
7
Université de Nantes: HAL-UNIV-NANTES
7
University of Tasmania: UTas ePrints
6
W&M ScholarWorks
6
DIAL@USL-B (Université Saint-Louis, Bruxelles)
5
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
5
University of Groningen research database
5
Wiley Online Library
5
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
5
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
4
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE)
4
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
4
Frontiers (Publisher)
4
IEDA: US Antarctic Program Data Center (via DataONE)
4
Old Dominion University: ODU Digital Commons
4
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
3
Digital Commons University of South Florida (USF)
3
Dryad Digital Repository (Duke University)
3
Frontiers: Figshare
3
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
3
Institut national des sciences de l'Univers: HAL-INSU
3
James Cook University, Australia: ResearchOnline@JCU
3
Pensoft Publishers
3
University of South Florida St. Petersburg: Digital USFSP
3
Università degli Studi di Genova: CINECA IRIS
3
AUrora - Auburn University Scholarly Repository
2
Arctic Portal Library
2
Caltech Authors (California Institute of Technology)
2
Columbia University: Academic Commons
2
Copernicus Publications: E-Journals
2
Digital.CSIC (Spanish National Research Council)
2
Durham University: Durham Research Online
2
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
2
Ghent University Academic Bibliography
2
HighWire Press (Stanford University)
2
IEDA: Marine-Geo Digital Library (via DataONE)
2
MDPI Open Access Publishing
2
NASA Technical Reports Server (NTRS)
2
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