Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
3,074
Directory of Open Access Journals: DOAJ Articles
29
Zenodo
29
Copernicus Publications: E-Journals
21
Unknown
20
LeibnizOpen (The Leibniz Association)
19
Niedersächsisches Online-Archiv NOA
14
Arctic Data Center (via DataONE)
13
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
8
PANGAEA - Data Publisher for Earth & Environmental Science
8
Dryad Digital Repository (Duke University)
7
Aarhus University: Research
6
USGS Science Data Catalog (via DataONE)
6
University of Calgary Journal Hosting
6
University of Tromsø: Munin Open Research Archive
6
Cambridge University Press
5
Norwegian Polar Data Centre
5
Technical University of Denmark: DTU Orbit
5
University of Windsor, Ontario: Scholarship at UWindsor
5
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
4
NILU – Norwegian Institute for Air Research: NILU Brage
4
University of New Hampshire: Scholars Repository
4
Université de Nantes: HAL-UNIV-NANTES
4
Apollo - University of Cambridge Repository
3
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
3
Lancaster University: Lancaster Eprints
3
MDPI Open Access Publishing
3
Magnolia press
3
National Institute of Polar Research Repository, Japan
3
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
3
University of Tromsø: Septentrio Academic Publishing
3
Wageningen UR (University & Research Centre): Digital Library
3
CIRAD: Agritrop (Centre de coopération internationale en recherche agronomique pour le développement)
2
Durham University: Durham Research Online
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
Frontiers: Figshare
2
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
2
Max Planck Society: MPG.PuRe
2
NTNU Open Archive (Norwegian University of Science and Technology)
2
Natural Environment Research Council: NERC Open Research Archive
2
Norwegian Institute for Nature Research: Brage NINA
2
Opin vísindi (Iceland)
2
PRISM - University of Calgary Digital Repository
2
Polar Research (E-Journal)
2
PubMed Central (PMC)
2
Swedish National Data Service (SND)
2
The University of Manchester: Research Explorer
2
Theses Canada/Thèses Canada (Library and Archives Canada)
2
Universidade Federal do Rio Grande do Sul (UFRGS): Lume
2
University of Bristol: Bristol Research
2
more ...