Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
8,002
PANGAEA - Data Publisher for Earth & Environmental Science
3,966
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1,313
Zenodo
964
Natural Environment Research Council: NERC Open Research Archive
496
Unknown
459
Directory of Open Access Journals: DOAJ Articles
381
Springer Nature (via Crossref)
362
Research Data Australia (Australian National Data Service - ANDS)
293
Copernicus Publications: E-Journals
197
ScienceDirect (Elsevier - via Crossref)
196
Cambridge University Press
182
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
180
Digital.CSIC (Spanish National Research Council)
168
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
162
Wiley Online Library (via Crossref)
143
eCite UTAS (University of Tasmania)
140
Niedersächsisches Online-Archiv NOA
139
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
118
ScienceDirect (Elsevier)
110
University of Southampton: e-Prints Soton
106
PubMed Central (PMC)
97
Université de Nantes: HAL-UNIV-NANTES
97
University of East Anglia: UEA Digital Repository
78
University of California: eScholarship
75
National Institute of Polar Research Repository, Japan
68
University of Groningen research database
63
Magnolia press
62
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
61
LeibnizOpen (The Leibniz Association)
60
University of St Andrews: Research Portal
60
University of Tasmania: UTas ePrints
59
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
57
Institut national des sciences de l'Univers: HAL-INSU
57
Wiley Online Library
51
National Library of Australia: Digital Collections
44
NASA Technical Reports Server (NTRS)
43
HighWire Press (Stanford University)
42
Max Planck Society: MPG.PuRe
42
NOAA NCEI Environmental Data Archive (via DataONE)
40
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
38
IEDA: Marine-Geo Digital Library (via DataONE)
38
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
37
DIAL@USL-B (Université Saint-Louis, Bruxelles)
35
Ghent University Academic Bibliography
35
Defense Technical Information Center: DTIC Technical Reports database
34
DIAL@UCLouvain (Université catholique de Louvain)
33
Frontiers: Figshare
33
Texas A&M University Digital Repository
33
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
32
more ...