# 43 CFR § 8223.0-5: Definitions

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-43-8223.0-5

## Section

- **Citation:** 43 CFR § 8223.0-5
- **Heading:** Definitions
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 43—Public Lands: Interior > Subtitle B—Regulations Relating to Public Lands > CHAPTER II—BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR > SUBCHAPTER H—RECREATION PROGRAMS Group 8100—Cultural Resource Management [Reserved] Group 8200—Natural History Resource Management > PART 8200—PROCEDURES > Subpart 8223—Research Natural Areas

## Text

(a) Research natural area means an area that is established and maintained for the primary purpose of research and education because the land has one or more of the following characteristics:
(1) A typical representation of a common plant or animal association;
(2) An unusual plant or animal association;
(3) A threatened or endangered plant or animal species;
(4) A typical representation of common geologic, soil, or water features; or
(5) Outstanding or unusual geologic, soil, or water features.
(b) [Reserved]

## Nearby sections

- [43 CFR § 8200.0-1 § 8200.0-1 Purpose.](https://www.frixlaw.com/law-library/statutes/ecfr-43-8200.0-1.md)
- [43 CFR § 8223.0-1 § 8223.0-1 Purpose.](https://www.frixlaw.com/law-library/statutes/ecfr-43-8223.0-1.md)
- [43 CFR § 8223.0-5 § 8223.0-5 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-43-8223.0-5.md)
- [43 CFR § 8223.0-6 § 8223.0-6 Policy.](https://www.frixlaw.com/law-library/statutes/ecfr-43-8223.0-6.md)
- [43 CFR § 8223.1 § 8223.1 Use of research natural areas.](https://www.frixlaw.com/law-library/statutes/ecfr-43-8223.1.md)
- [43 CFR § 8224.0-1 § 8224.0-1 Purpose.](https://www.frixlaw.com/law-library/statutes/ecfr-43-8224.0-1.md)
- [43 CFR § 8224.0-2 § 8224.0-2 Objectives.](https://www.frixlaw.com/law-library/statutes/ecfr-43-8224.0-2.md)
- [43 CFR § 8224.0-3 § 8224.0-3 Authority.](https://www.frixlaw.com/law-library/statutes/ecfr-43-8224.0-3.md)
- [43 CFR § 8224.0-5 § 8224.0-5 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-43-8224.0-5.md)
- [43 CFR § 8224.0-6 § 8224.0-6 Policy.](https://www.frixlaw.com/law-library/statutes/ecfr-43-8224.0-6.md)
- [43 CFR § 8224.1 § 8224.1 Use of the Fossil Forest Research Natural Area.](https://www.frixlaw.com/law-library/statutes/ecfr-43-8224.1.md)
- [43 CFR § 8224.2 § 8224.2 Penalties.](https://www.frixlaw.com/law-library/statutes/ecfr-43-8224.2.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-43-8223.0-5. Check the current official text before relying on it. Not legal advice.