National Zoological Park
The Smithsonian's National Zoo and Conservation Biology Institute, commonly known as the National Zoological Park or simply the National Zoo, is one of the oldest zoos in the United States. The zoo is part of the Smithsonian Institution and does not charge admission. Derived from Wikipedia licensed CC-BY-SA.
Open Access statistics for National Zoological Park, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
56%
Total
Publications
2.9K
Total Open
Publications
1.6K
Total
Citations
135K
Open Access
Percentage
56%
Total
Publications
2.9K
Total Open
Publications
1.6K
Total
Citations
135K
Breakdown
Publisher Open
18%
Both
29%
Other Platform Open
10%
Closed
43%
Percentage of Open Access over time
Publisher Open
Both
Other Platform Open
Closed
Volume of Open Access over time
Open
Closed
Publisher Open
OA Journal 54%
741
Hybrid 19%
254
No Guarantees 27%
362
Other Platform Open
Institution 67%
761
Domain 56%
628
Other Internet 19%
209
Public 9%
104
Preprint 7%
79
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
PubMed Central | Domain | 622 |
doaj.org OAI-PMH Repository | Institution | 430 |
DOI | Other Internet | 171 |
Unknown Repository | Other Internet | 105 |
Figshare | Public | 96 |
bioRxiv | Preprint | 60 |
LA Referencia | Institution | 51 |
Consejo Superior de Investigaciones Científicas | Institution | 45 |
University of Copenhagen | Institution | 42 |
Europe PMC | Domain | 35 |