Environmental radiation protection
Measures taken to prevent or reduce the frequency of deleterious radiation effects in animals and plants (biota) in their natural environment to a level where they would have a negligible impact on the maintenance of biological diversity; the conservation of species; or the health and status of natural habitats, communities, and ecosystems. (Adapted from ICRP Publication 124, 2014)
ICRP Glossary entry - May 2019