Content Provider
Directory of Open Access Journals: DOAJ Articles
6
Frontiers: Figshare
3
Unknown
3
Institute of Hydrobiology, Chinese Academy of Sciences: IHB OpenIR
2
MDPI Open Access Publishing
2
UFZ - Publication Index (Helmholtz-Centre for Environmental Research)
2
Digital Repository @ Iowa State University
1
Duquesne Scholarship Collection
1
Jagiellonian University Repository
1
KU VL (Klaipėdos universitetas Virtual Library)
1
Northwest Institute of Plateau Biology: NWIPB OpenIR (Chinese Academy of Sciences)
1
University of California: eScholarship
1
University of Tromsø: Septentrio Academic Publishing
1