Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
38,701
Natural Resources Institute Finland: Jukuri
130
Unknown
61
Springer Nature (via Crossref)
54
PANGAEA - Data Publisher for Earth & Environmental Science
53
ScienceDirect (Elsevier - via Crossref)
41
Wiley Online Library (via Crossref)
41
Directory of Open Access Journals: DOAJ Articles
35
University of Calgary Journal Hosting
33
PubMed Central (PMC)
29
Norwegian Institute for Nature Research: Brage NINA
27
Informa (via Crossref)
24
Wiley Online Library
23
University of Copenhagen: Research
19
Biodiversity Heritage Library (BHL)
15
Cambridge University Press
14
Canadian Science Publishing
14
Canadian Science Publishing (via Crossref)
12
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
11
ScienceDirect (Elsevier)
11
Aarhus University: Research
10
Oxford University Press (via Crossref)
10
Zenodo
10
Cambridge University Press (via Crossref)
9
HighWire Press (Stanford University)
9
Norsk Polarinstitutt: Brage NP
8
Norwegian Polar Institute: Brage NP
8
BioOne Online Journals
7
CyberLeninka (Scientific Electronic Library)
7
Federation of Finnish Learned Societies: Scientific Journals Online
7
Karger (via Crossref)
7
University of Groningen research database
7
Université de Nantes: HAL-UNIV-NANTES
7
Arctic Institute of North America (via Crossref)
6
Bioscientifica (via Crossref)
6
De Gruyter (via Crossref)
6
Polar Research (E-Journal)
6
University of Alaska: ScholarWorks@UA
6
University of Central Florida (UCF): STARS (Showcase of Text, Archives, Research & Scholarship)
6
University of Technology and Life Sciences (UTP) Bydgoszcz: Digital Repository
6
Sciendo (de Gruyter - via CrossRef)
5
The Canadian Field-Naturalist (E-Journal)
5
Theses Canada/Thèses Canada (Library and Archives Canada)
5
University of Liège: ORBi (Open Repository and Bibliography)
5
University of Nebraska-Lincoln: DigitalCommons@UNL
5
Université du Québec à Rimouski (UQAR): Sémaphore
5
Aarhus University: OJS at The State and University Library
4
BioMed Central
4
Bioscientifica
4
DRO - Deakin Research Online
4
more ...