The Role of Solar Ultraviolet Radiation in Marine Ecosystems

Human Cells.- Mechanisms of Actions of Longwave-UV on Marine Organisms.- Survival of the Brine Shrimp, Artemia Salina, After Exposure to 290-NM Ultraviolet Radiation, with and without Maximum Photoreactivation.- Photoreactivation: Mammalian Cells.- The Amelioration of UV-B Effects on Productivity by Visible Radiation.- Error Prone Repair-Emphasis Weigle Reactivation.- Sensitivity to UV-B Irradiation as Related to Bacterial Life Cycles.- Pigment Dispersion by Light in the Melanophores of the Fiddler Crab.- Yellow Lens Pigment: An Adaptation for Activity in Bright Sunlight.- Photomovement of Aquatic Organisms in Response to Solar UV.- Movement Reactions of Blue-Green Algae in Response to Their Photoenvironment.- Short-Term Responses of Some Planktonic Crustacea Exposed to Enhanced UV-B Radiation.- Review of Literature Concerning the Impact of UV-B Radiation Upon Marine Organisms.- Assessment of Effects of UV Radiation on Marine Fish Larvae.- The Effect of UV-B Irradiation on the Integument of the Marine Flatfish Pleuronectes Platessa L..- Assessment of the Influence of Enhanced UV-B on Marine Primary Productivity.- Modeling Light Loss Versus UV-B Increase for Organisms Which Control Their Vertical Position in the Water Column.- Effects of UV-B Radiation on Thalassiosira Pseudonana: A Preliminary Study.- The Effects of Ultraviolet Irradiation on Photosynthesis by Ruppia Maritima L. (Widgeon Grass).- Effects of UV Radiation on Photosynthesis of Natural Populations of Phytoplankton.- The Effect of High Intensity U.V. Radiation on Benthic Marine Algae.- The Effects of UV-B Irradiation on Higher Plants.- Preliminary Results Regarding the Spectral Efficiency of UV on the Depression of Photosynthesis in Higher Plants.- Possible Errors in Photosynthetic Measurements Arising from the Use of UV-Absorbing Cuvettes: Some Examples in Higher Plants.- Biological Interactions Between Wavelengths in the Solar-UV Range: Implications for the Predictive Value of Action Spectra Measurements.- Does Solar UV Influence the Competitive Relationship in Higher Plants.- A Model to Evaluate the Impact of Cyclically Recurring Hazards on Selected Populations.- Solar UV Radiation as a Selective Force in the Evolution of Terrestrial Plant Life.- Atmospheric Evolution and UV-B Radiation.- Some Considerations on the Ecological and Evolutionary Effects of Solar UV.- The Attenuation of Light by Marine Phytoplankton with Specific Reference to the Absorption of Near-UV Radiation.- Possible Influences of Solar UV Radiation in the Evolution of Marine Zooplankton.- List of Contributors.