Content Provider
ScienceDirect (Elsevier - via Crossref)
50
Frontiers: Figshare
34
PANGAEA - Data Publisher for Earth & Environmental Science
30
ScienceDirect (Elsevier)
19
Directory of Open Access Journals: DOAJ Articles
17
Oxford University Press
13
Stockholm University Press (via Crossref)
12
Oxford University Press (via Crossref)
11
Frontiers (Publisher)
8
Wiley Online Library
8
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
6
Unknown
5
Wiley Online Library (via Crossref)
5
Informa (via Crossref)
4
Springer Nature (via Crossref)
4
University of California: eScholarship
4
University of the Highlands and Islands: Research Database of UHI
4
DataCite Metadata Store (German National Library of Science and Technology)
3
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
3
Stockholm University: Publications (DiVA)
3
University of Calgary Journal Hosting
3
Biodiversity Heritage Library (BHL)
2
University of Bergen: Bergen Open Research Archive (BORA-UiB)
2
W&M ScholarWorks
2
DataverseNO
1
Hathi Trust Digital Library
1
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
1
Informa
1
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
1
Naval Postgraduate School: Calhoun
1
RUcore - Rutgers University Community Repository
1
SMHI (Swedish Meteorological and Hydrological Institute): Vetenskapliga Publikationer (DiVA)
1
Universidad de Salamanca: Gredos (GestiĆ³n del Repositorio Documental de la Universidad de Salamanca)
1
University of California Press (via Crossref)
1
University of St Andrews: Digital Research Repository
1
University of St Andrews: Research Portal
1
University of Thessaly Institutional Repository
1
Zenodo
1