Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,434
IEDA: Marine-Geo Digital Library (via DataONE)
201
Zenodo
134
Directory of Open Access Journals: DOAJ Articles
91
DataCite
86
Unknown
85
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
Copernicus Publications: E-Journals
34
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
31
Wiley Online Library
31
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
27
Natural Environment Research Council: NERC Open Research Archive
25
PubMed Central (PMC)
25
MDPI Open Access Publishing
23
NOAA NCEI Environmental Data Archive (via DataONE)
23
LeibnizOpen (The Leibniz Association)
22
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
21
University of Tasmania: UTas ePrints
21
Università degli Studi di Napoli "Parthenope": CINECA IRIS
21
Frontiers: Figshare
20
University of Groningen research database
20
Old Dominion University: ODU Digital Commons
19
University of Canterbury, Christchurch: UC Research Repository
19
Cambridge University Press
18
Niedersächsisches Online-Archiv NOA
18
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
18
Institut national des sciences de l'Univers: HAL-INSU
14
University of California: eScholarship
14
Australian National University: ANU Digital Collections
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
Padua Research Archive (IRIS - Università degli Studi di Padova)
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
Springer Nature (via Crossref)
10
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
9
Digital Commons University of South Florida (USF)
9
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
9
IRIS Università degli Studi di Napoli Federico II
9
University of South Florida St. Petersburg: Digital USFSP
9
University of Southampton: e-Prints Soton
9
more ...