Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
768
NOAA NCEI Environmental Data Archive (via DataONE)
304
PANGAEA - Data Publisher for Earth & Environmental Science
114
DataCite
35
Arctic Data Center (via DataONE)
10
Frontiers: Figshare
8
Dryad Digital Repository (Duke University)
3
Research Data Australia (Australian National Data Service - ANDS)
3
Unknown
3
Norwegian Polar Data Centre
2
Geological Society of London: Figshare
1