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Abstract

This chapter addresses the impact of ambient and enhanced levels of ultravioletB radiation (UV-B, 280–320 nm) on terrestrial vascular plants, with a focus on findings published during the past 5 years. It discusses some of the more recent ideas regarding plant responses to ambient and enhanced UV-B levels and the possible mechanisms involved. This review is not meant to be exhaustive, and for additional topics readers are referred to Caldwell and Flint (1994), Björn (1996), Björn et al. (1996, 1997), Lumdsen (1997), Rozema et al. (1997a,b), and Caldwell et al. (1998). The past, current, and future UV-B environment of terrestrial plants is briefly reviewed. Because of difficulties in extrapolating from indoor studies to field situations, I focus on recent findings from field studies, with particular reference to those employing ambient UV-B filter exclusions and modulated UV-B supplements.

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Day, T.A. (2001). Ultraviolet Radiation and Plant Ecosystems. In: Cockell, C.S., Blaustein, A.R. (eds) Ecosystems, Evolution, and Ultraviolet Radiation. Springer, New York, NY. https://doi.org/10.1007/978-1-4757-3486-7_4

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