Content Provider
Directory of Open Access Journals: DOAJ Articles
404
ScienceDirect (Elsevier - via Crossref)
364
ScienceDirect (Elsevier)
231
Wiley Online Library (via Crossref)
175
Springer Nature (via Crossref)
174
University of California: eScholarship
162
DataCite Metadata Store (German National Library of Science and Technology)
150
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
104
Canadian Science Publishing (via Crossref)
102
University of Calgary Journal Hosting
93
Wiley Online Library
77
Unknown
71
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
66
Cambridge University Press
55
ScholarsArchive@OSU (Oregon State University)
50
Oxford University Press (via Crossref)
48
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
43
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
42
Informa (via Crossref)
41
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
37
Niedersächsisches Online-Archiv NOA
37
RePEc (Research Papers in Economics)
37
Xiamen University Institutional Repository
36
Biodiversity Heritage Library (BHL)
32
Frontiers (Publisher)
32
Canadian Science Publishing
30
Magnolia press
28
Arctic Institute of North America (via Crossref)
27
Zenodo
27
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
26
Natural Environment Research Council: NERC Open Research Archive
25
Université de Nantes: HAL-UNIV-NANTES
25
University of Southampton: e-Prints Soton
24
Arctic Portal Library
21
JSTOR (via Crossref)
21
Oxford University Press
21
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
21
eCite UTAS (University of Tasmania)
20
LeibnizOpen (The Leibniz Association)
19
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
16
University of Tasmania: UTas ePrints
16
Cambridge University Press (via Crossref)
14
University of Toronto: Research Repository T-Space
14
Institut national des sciences de l'Univers: HAL-INSU
13
University of St Andrews: Research Portal
13
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
12
The Hong Kong University of Science and Technology: HKUST Institutional Repository
12
Old Dominion University: ODU Digital Commons
11
Aarhus University: Research
10
Digital.CSIC (Spanish National Research Council)
10
more ...