Content Provider
Natural Environment Research Council: NERC Open Research Archive
289
Directory of Open Access Journals: DOAJ Articles
245
Springer Nature (via Crossref)
197
ScienceDirect (Elsevier - via Crossref)
169
eCite UTAS (University of Tasmania)
107
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
105
Wiley Online Library
102
University of Tasmania: UTas ePrints
63
DataCite Metadata Store (German National Library of Science and Technology)
61
Oxford University Press (via Crossref)
59
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
57
University of St Andrews: Research Portal
54
Wiley Online Library (via Crossref)
54
ScienceDirect (Elsevier)
47
Cambridge University Press
45
Oxford University Press
40
Frontiers (Publisher)
38
Université de Nantes: HAL-UNIV-NANTES
37
Institute for Marine Research: Brage IMR
32
OpenAgrar (OA)
29
Unknown
29
HAL Sorbonne Université
26
Informa (via Crossref)
25
Institut national des sciences de l'Univers: HAL-INSU
25
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
25
HAL - Université de La Rochelle
21
Digital.CSIC (Spanish National Research Council)
20
Arctic Portal Library
19
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
19
RePEc (Research Papers in Economics)
18
ACS Publications
17
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
17
Canadian Science Publishing
17
Padua Research Archive (IRIS - Università degli Studi di Padova)
17
Technical University of Denmark: DTU Orbit
17
Old Dominion University: ODU Digital Commons
16
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
15
The Royal Society
14
University of Southampton: e-Prints Soton
14
University of the Highlands and Islands: Research Database of UHI
14
Wageningen UR (University & Research Centre): Digital Library
14
Griffith University: Griffith Research Online
13
Informa
13
PLOS
13
Digital Commons University of South Florida (USF)
12
The University of Queensland: UQ eSpace
12
University of South Florida St. Petersburg: Digital USFSP
12
University of St Andrews: Digital Research Repository
11
Canadian Science Publishing (via Crossref)
10
The Open University: Open Research Online (ORO)
10
more ...