Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
3,662
NOAA NCEI Environmental Data Archive (via DataONE)
928
Dryad Digital Repository (Duke University)
33
DataCite
28
Unknown
24
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
21
Natural Environment Research Council: NERC Open Research Archive
19
Frontiers: Figshare
17
Springer Nature (via Crossref)
17
SERPENT Media Archive (Scientific and Environmental ROV Partnership using Existing iNdustrial Technology)
15
IEDA: Marine-Geo Digital Library (via DataONE)
14
University of Southampton: e-Prints Soton
14
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE)
13
Wiley Online Library
13
NASA Technical Reports Server (NTRS)
12
University College London: UCL Discovery
12
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
10
Australian National University: ANU Digital Collections
9
KovsieScholar Repository (University of the Free State - UFS UV)
9
RePEc (Research Papers in Economics)
9
University of Rhode Island: DigitalCommons@URI
9
CyberLeninka (Scientific Electronic Library)
8
ArXiv.org (Cornell University Library)
7
Fiskeridirektoratet (Brage FISK)
7
Gulf of Mexico Research Initiative (via DataONE)
7
PeerJ Publishing
7
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
7
Springer Nature
7
Cardiff University: ORCA (Online Research @ Cardiff)
6
Durham University: Durham Research Online
6
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
6
U.S. Naval War College Digital Commons
6
USGS Science Data Catalog (via DataONE)
6
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
5
Frontiers (Publisher)
5
National University of Ireland (NUI), Galway: ARAN
5
Smithsonian Institution: Figshare
5
Stockholm University Press
5
The Winnower
5
CentAUR: Central Archive at the University of Reading
4
Chalmers University of Technology: Chalmers research
4
Digital.CSIC (Spanish National Research Council)
4
Naval Postgraduate School: Calhoun
4
ScienceDirect (Elsevier - via Crossref)
4
University of California: eScholarship
4
University of East Anglia: UEA Digital Repository
4
University of Glasgow: Enlighten - Publications
4
Zenodo
4
Cambridge University Press
3
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
3
more ...