Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
1,678
Zenodo
121
Natural Environment Research Council: NERC Open Research Archive
107
PANGAEA - Data Publisher for Earth & Environmental Science
101
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
82
Directory of Open Access Journals: DOAJ Articles
76
Unknown
39
Digital.CSIC (Spanish National Research Council)
37
Copernicus Publications: E-Journals
24
Niedersächsisches Online-Archiv NOA
20
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
16
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
15
Cambridge University Press
15
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
15
eCite UTAS (University of Tasmania)
12
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
11
Ghent University Academic Bibliography
11
PubMed Central (PMC)
11
University of Southampton: e-Prints Soton
11
MDPI Open Access Publishing
10
University of East Anglia: UEA Digital Repository
8
Université de Genève: Archive ouverte UNIGE
8
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
7
Frontiers: Figshare
7
Institut national des sciences de l'Univers: HAL-INSU
7
Research Data Australia (Australian National Data Service - ANDS)
7
ScienceDirect (Elsevier - via Crossref)
7
Springer Nature (via Crossref)
7
National Institute of Polar Research Repository, Japan
6
Old Dominion University: ODU Digital Commons
6
University of Groningen research database
6
University of Tasmania: UTas ePrints
6
Université de Nantes: HAL-UNIV-NANTES
6
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
5
Durham University: Durham Research Online
5
Masaryk University Journals
5
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
5
Scientia Marina (E-Journal)
5
Universidade Federal do Rio Grande do Sul (UFRGS): Lume
5
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
4
Arctic Portal Library
4
Caltech Authors (California Institute of Technology)
4
Columbia University: Academic Commons
4
HighWire Press (Stanford University)
4
IEDA: US Antarctic Program Data Center (via DataONE)
4
Instituto Español de Oceanografía: e-IEO
4
NIOZ Repository (Royal Netherlands Institute for Sea Research)
4
OpenMETU (Middle East Technical University)
4
Pensoft Publishers
4
RI FURG (Repositório da Universidade Federal do Rio Grande)
4
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