Research Natural Area is a designation for certain protected areas in the United States.
Research Natural Areas (RNAs) are part of a nationwide network of ecological areas set aside for both research and education. The network includes areas managed by many Federal agencies. The United States Forest Service and other agencies establish these areas to typify certain types of important forest, shrubland, grassland, aquatic, geological, alpine, or similar environments that have unique characteristics of scientific interest. The areas "contain important ecological and scientific values and are managed for minimum human disturbance".[1] The first RNA was established on the Coronado National Forest in Arizona in 1927.[2]
The Bureau of Land Management is another agency that designates and manages Research Natural Areas.[1] According to the Bureau of Land Management, the objectives of the RNA program are "(1) To preserve examples of all significant natural ecosystems for comparison with those influenced by man; (2) to provide educational and research areas for ecological and environmental studies; and (3) to preserve gene pools of typical and endangered plants and animals. Research natural areas are intended to represent the full array of North American ecosystems with their biological communities, habitats, natural phenomena, and geological and hydrological formations." The Bureau of Land Management manages 192 RNAs with a total area of 502,748 acres (2,034.55 km2).[3]
As of 1993[update], the US Forest Service managed 289 established RNAs and more than 300 candidate RNAs.[4] As of 2018[update], there were 571 US Forest Service RNAs (Note that these are not complete lists):
https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/fseprd573586.pdf, https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/fseprd527907.pdf, p. J-3.
These areas are established under the Organic Act of 1897. Areas designated as Research Natural Areas are primarily located inside National Forests.
^ ab"BLM Guidelines for ACEC's and RNA's" (PDF). Bureau of Land Management. Retrieved April 23, 2014.
^Franklin, Jerry F.; Jenkins, Robert E.; Romancier, Robert M. (April–June 1972). "Research Natural Areas: Contributors to Environmental Quality Programs/". Journal of Environmental Quality. I (2): 134.
^"Public Land Statistics: 2011" (PDF). Bureau of Land Management. p. 246. Retrieved April 23, 2014.
^"Research Natural Areas Program, USDA Forest Service. National Strategy: Opportunities for the Future" (PDF). USFS. July 1993. Retrieved July 21, 2010.
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