Content Provider
Arctic Data Center (via DataONE)
17
DataCite Metadata Store (German National Library of Science and Technology)
11
Directory of Open Access Journals: DOAJ Articles
8
ESS-DIVE: Deep Insight for Earth Science Data (via DataONE)
5
MDPI Open Access Publishing
5
International Arctic Research Center (IARC) Data Archive (via DataONE)
3
Clark University: Clark Digital Commons
2
Dryad Digital Repository (Duke University)
2
Michigan Technological University: Digital Commons @ Michigan Tech
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
University of Colorado, Boulder: CU Scholar
1