Content Provider
Canadian Science Publishing (via Crossref)
254
University of Calgary Journal Hosting
187
Directory of Open Access Journals: DOAJ Articles
181
ScienceDirect (Elsevier - via Crossref)
121
Wiley Online Library
121
DataCite Metadata Store (German National Library of Science and Technology)
112
Unknown
108
Cambridge University Press
107
Wiley Online Library (via Crossref)
107
Canadian Science Publishing
89
Springer Nature (via Crossref)
80
Biodiversity Heritage Library (BHL)
62
Informa (via Crossref)
61
Arctic Institute of North America (via Crossref)
60
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
54
Niedersächsisches Online-Archiv NOA
44
JSTOR (via Crossref)
43
Cambridge University Press (via Crossref)
30
Institut national des sciences de l'Univers: HAL-INSU
30
Université de Nantes: HAL-UNIV-NANTES
28
Oxford University Press (via Crossref)
26
ScienceDirect (Elsevier)
22
Zenodo
22
Natural Environment Research Council: NERC Open Research Archive
20
The Canadian Field-Naturalist (E-Journal)
20
Informa
19
LeibnizOpen (The Leibniz Association)
19
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
19
RePEc (Research Papers in Economics)
19
University of New Brunswick: Centre for Digital Scholarship Journals
19
University of California Press (via Crossref)
18
University of Bristol: Bristol Research
17
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
16
University of Toronto: Research Repository T-Space
16
SAGE Publications (via Crossref)
15
University of Tromsø: Septentrio Academic Publishing
15
University of California: eScholarship
14
Institut national de la recherche scientifique, Québec: Espace INRS
13
University of California Press
13
AAAS Resource Center (American Association for the Advancement of Science - via Crossref)
12
Arctic Institute of North America
12
University College London: UCL Discovery
12
AAAS Resource Center (American Association for the Advancement of Science)
11
Carleton University's Institutional Repository
11
Dryad Digital Repository (Duke University)
11
Oxford University Press
11
University of Copenhagen: Research
11
Aarhus University: Research
10
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
10
University of Cambridge, Department of Earth Sciences: ESC Publications
10
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