Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
4,297
Zenodo
304
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
116
IEDA: Marine-Geo Digital Library (via DataONE)
100
Research Data Australia (Australian National Data Service - ANDS)
80
IEDA: US Antarctic Program Data Center (via DataONE)
70
Frontiers: Figshare
50
Natural Environment Research Council: NERC Open Research Archive
49
Unknown
47
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE)
42
University of California: eScholarship
35
Frontiers (Publisher)
32
The University of Maine: DigitalCommons@UMaine
30
Digital Commons University of South Florida (USF)
25
Old Dominion University: ODU Digital Commons
25
University of South Florida St. Petersburg: Digital USFSP
25
W&M ScholarWorks
25
Open Access Victoria University of Wellington / Te Herenga Waka
23
LSU Digital Commons (Louisiana State University)
21
NASA Technical Reports Server (NTRS)
20
University of Nebraska-Lincoln: DigitalCommons@UNL
18
Caltech Authors (California Institute of Technology)
16
University of Tasmania: UTas ePrints
16
Australian National University: ANU Digital Collections
14
National Library of Australia: Digital Collections
13
Montclair State University Digital Commons
11
KovsieScholar Repository (University of the Free State - UFS UV)
10
NOAA NCEI Environmental Data Archive (via DataONE)
8
Università degli Studi di Messina: IRIS
8
Digital.CSIC (Spanish National Research Council)
7
Durham University: Durham Research Online
7
ScholarsArchive@OSU (Oregon State University)
7
Springer Nature (via Crossref)
7
University of Southampton: e-Prints Soton
7
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
7
Biodiversity Heritage Library (BHL)
6
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
6
James Cook University, Australia: ResearchOnline@JCU
6
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
6
Università Politecnica delle Marche: IRIS
6
Dryad Digital Repository (Duke University)
5
IRIS Università degli Studi di Napoli Federico II
5
Imperial College London: Spiral
5
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
4
Curtin University: espace
4
IOP Publishing
4
Portland State University: PDXScholar
4
RePEc (Research Papers in Economics)
4
UNSW Sydney (The University of New South Wales): UNSWorks
4
University of Rhode Island: DigitalCommons@URI
4
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