Ecosystems, Evolution, and Ultraviolet Radiation

This book discusses UV radiation, its effects on ecosystems and the li kely evolutionary consequences of changed UV radiation environments, p ast, present and future. The first two chapters examine the history of the UV radiation climate of earth and the factors that determine orga nismal and ecosystem exposure. Their purpose is to give the reader a p hysical perspective on UV radiation and an understanding of the consta ntly changing UV environment that ecosystems are exposed to over time. V…