title: Ultraviolet radiation and terrestrial ecosystems.
authors.affiliation: Sustainable Agricultural Systems Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, U. S. Department of Agriculture, Beltsville, MD, USA. krizekd@ba.ars.usda.gov
authors.forename: Donald T
authors.initials: DT
authors.lastname: Krizek
authors.forename: Linda
authors.initials: L
authors.lastname: Chalker-Scott
mesh_terms: D017753:Ecosystem; D010944:Plants / Q000528:radiation effects; D014466:Ultraviolet Rays