Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
4,794
Arctic Data Center (via DataONE)
96
Frontiers: Figshare
19
PANGAEA - Data Publisher for Earth & Environmental Science
18
NOAA NCEI Environmental Data Archive (via DataONE)
12
Unknown
7
DataCite
6
Research Workspace (via DataONE)
5
Norwegian Polar Data Centre
3
SEANOE (Sea scientific open data publication)
2
Dryad Digital Repository (Duke University)
1
USGS Science Data Catalog (via DataONE)
1