Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
3,001
IEDA: Marine-Geo Digital Library (via DataONE)
201
Zenodo
108
Unknown
85
Directory of Open Access Journals: DOAJ Articles
79
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE)
76
Research Data Australia (Australian National Data Service - ANDS)
69
IEDA: US Antarctic Program Data Center (via DataONE)
44
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
33
Copernicus Publications: E-Journals
30
Wiley Online Library
30
PANGAEA - Data Publisher for Earth & Environmental Science
29
W&M ScholarWorks
28
eCite UTAS (University of Tasmania)
28
Università degli Studi di Genova: CINECA IRIS
26
Natural Environment Research Council: NERC Open Research Archive
25
MDPI Open Access Publishing
23
NOAA NCEI Environmental Data Archive (via DataONE)
23
PubMed Central (PMC)
23
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
21
LeibnizOpen (The Leibniz Association)
21
University of Tasmania: UTas ePrints
21
Università degli Studi di Napoli "Parthenope": CINECA IRIS
21
Old Dominion University: ODU Digital Commons
19
University of Groningen research database
19
Cambridge University Press
18
Niedersächsisches Online-Archiv NOA
18
University of Canterbury, Christchurch: UC Research Repository
18
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
18
Frontiers: Figshare
17
University of California: eScholarship
14
Australian National University: ANU Digital Collections
13
Institut national des sciences de l'Univers: HAL-INSU
13
Magnolia press
13
Università degli studi di Trieste: ArTS (Archivio della ricerca di Trieste)
13
Université de Nantes: HAL-UNIV-NANTES
13
Frontiers (Publisher)
12
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
12
Università Politecnica delle Marche: IRIS
12
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
11
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
10
Padua Research Archive (IRIS - Università degli Studi di Padova)
10
Springer Nature (via Crossref)
10
Digital Commons University of South Florida (USF)
9
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
9
University of South Florida St. Petersburg: Digital USFSP
9
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
8
IRIS Università degli Studi di Napoli Federico II
8
NASA Technical Reports Server (NTRS)
8
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
8
more ...