National Park Service

National Park Service

The National Park Service is an agency of the United States federal government, within the United States Department of the Interior. The service manages all national parks; most national monuments; and other natural, historical, and recreational properties, with various title designations. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for National Park Service, United States, covering academic research published from 2000 to 2024. Read More.


Open Access Percentage

47%


Total
Publications

5.3K


Total Open
Publications

2.5K


Total
Citations

189K


Open Access
Percentage

47%


Total
Publications

5.3K


Total Open
Publications

2.5K


Total
Citations

189K

Wikipedia

Website

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Breakdown

27% 15% 4% 54%

Publisher Open

27%

Both

15%

Other Platform Open

4%

Closed

54%

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

050100150200250300350Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

51%OA Journal

OA Journal 51%

1.1K

Hybrid 21%

445

No Guarantees 28%

618

Other Platform Open

Domain 45%

473

Institution 39%

408

Other Internet 27%

288

Preprint 7%

74

Public 6%

66

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
468
DOI
Other Internet
208
Unknown Repository
Other Internet
94
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
73
Office of Scientific and Technical Information
Institution
66
Figshare
Public
55
King's College London
Institution
53
Europe PMC
Domain
53
bioRxiv
Preprint
36
University of Rhode Island
Institution
35
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Data updated 18 August 2025

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