Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,980
Arctic Data Center (via DataONE)
145
NOAA NCEI Environmental Data Archive (via DataONE)
58
Research Workspace (via DataONE)
13
Knowledge Network for Biocomplexity (via DataONE)
4
Frontiers: Figshare
3
Dryad Digital Repository (Duke University)
2
Unknown
2
DataCite
1
USGS Science Data Catalog (via DataONE)
1