UV-B and Biosphere. Questo articolo non è disponibile.UV-B and Biosphere

Despite numerous physiological studies of UV-B effects on plants, often grown in climate chambers, knowledge of UV-B effects on organisms and processes in natural aquatic or terrestrial ecosystems is poor.

UV-B and Aquatic Ecosystems. 1. UV-B Effects in Aquatic Ecosystems; D.-P. Häder. 2. UV-damage to Plant Life in a Photobiologically Dynamic Environment: The Case of Marine Phytoplankton; W.W.C. Gieskes, A.G.J. Buma. 3. Effects of Acute and Chronic UV-B exposure on a Green Alga: A Continuous Culture Study Using a Computer-Controlled Dynamic Light Regime; A. Veen, et al. 4. Role of Ultraviolet-B Radiation on Bacterioplankton and the Availability of Dissolved Organic Matter; G.J. Herndl, et al. 5. Physiological and Structural Changes in the Chloroplast of the Green Alga Micrasterias denticulata by UV-B Simulation; C. Lütz, et al. UV-B and Terrestrial Ecosystems: General and Methodological Aspects. 6. Uses of Biological Spectral Weighting Functions and the Need of Scaling for the Ozone Reduction Problem; M.M. Caldwell, S.D. Flint. 7. Outdoor Supplementation Systems for Studies of the Effects of Increased UV-B; A.R. McLeod. 8. In Assessing Biological UV-B Effects, Natural Fluctuations of Solar Radiation Should be Taken into Account; R. Santas, et al. UV-B and Physiology of Terrestrial Plants. 9. Beneficial Effects of Enhanced UV-B Radiation under Field Conditions: Improvement of Needle Water Relations and Surviving Capacity of Pinus pinea L. Seedlings During the Dry Mediterranean Summer; Y. Manetas, et al. 10. UV-B Radiation Effects on the Mediterranean Ruderal Dittrichia viscosa; M. Stephanou, V. Manetas. 11. Effects of Solar UV-B Radiation on Growth, Flowering and Yield of Central and Southern European Bush Bean Cultivars (Phaseolus vulgaris L.);M. Saile-Mark, et al. 12. Morphological and Physiological Response of bean Plants to Supplemental UV Radiation in a Mediterranean Climate; F. Antonelli, et al. 13. The Effects of Enhanced UV-B Radiation on Germination and Seedling Development of Plant Species of a Dune Grassland Ecosystem; M. Tosserams, et al. 14. Leaf Thickness and UV-B Absorbing Pigments of Plants in Relation to an Elevational Gradient Along the Blue Mountains, Jamaica; J. Rozema, et al. 15. Reaction of Savanna Plants from Botswana on UV-B Radiation; W.H.O. Ernst, et al. 16. The Impact of Elevated UV-B (280-320 nm) Radiation Levels on the Reproduction Biology of a Highland and Lowland Population of Silene vulgaris. Interactions of UV-B with Environmental Factors. 17. Effects of UV-B Radiation on Terrestrial Plants and Ecosystems: Interaction with CO2 Enrichment; J. Rozema, et al. 18. Effects of Increasing UV-B Radiation and Atmospheric CO2 on Photosynthesis and Growth: Implications for Terrestrial Ecosystems; J.H. Sullivan. 19. The Combined Effects of CO2 and Supplemental UV-B Radiation on Faba Bean: Leaf Optical Properties, Pigments, Stomatal Index and Epidermal Cell Density; A.J. Visser, et al. 20. Effects of Solar Ultraviolet-B Radiation, Temperature and CO2 on Growth and Physiology of Sunflower and Maize Seedlings; U. Mark, M. Tevini. 21. Combined Effects of Enhanced UV-B Radiation and Nitrogen Deficiency on the Growth, Composition and Photosynthesis of Rye (Secale cereale); G. Deckmijn, I. Impens. UV-B and Terrestrial Ecosystems. 22. Effects of Enha