National Zoological Park

National Zoological Park

The National Zoological Park, commonly known as 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 2024. Read More.


Open Access Percentage

56%


Total
Publications

2.7K


Total Open
Publications

1.5K


Total
Citations

118K


Open Access
Percentage

56%


Total
Publications

2.7K


Total Open
Publications

1.5K


Total
Citations

118K

Wikipedia

Website

download

Breakdown

20% 26% 10% 44%

Publisher Open

20%

Both

26%

Other Platform Open

10%

Closed

44%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

020406080100120140160180200Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

42%OA Journal

OA Journal 42%

525

Hybrid 28%

354

No Guarantees 30%

368

Other Platform Open

Domain 64%

611

Institution 33%

321

Other Internet 19%

181

Public 14%

135

Preprint 10%

98

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
609
Europe PMC
Domain
339
Semantic Scholar
Public
116
bioRxiv
Preprint
71
DOI
Other Internet
58
Le Centre pour la Communication Scientifique Directe - HAL - TYPE ART
Other Internet
36
BioOne - BioOne Complete
Other Internet
32
University of Edinburgh - Edinburgh Research Explorer
Institution
27
Spanish National Research Council (CSIC) - DIGITAL.CSIC
Institution
26
University of California - eScholarship University of California
Institution
25
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Data updated 7 April 2025

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