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Blackbirds --- Effect of ultraviolet radiation on --- Control
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One of the predicted consequences of the depletion of stratospheric ozone is an increase in the amount of ultraviolet light reaching the surface of the earth, in particular UV-B (320-280nm). Although the real effects are as yet unknown, this change in radiation could have profound consequences for plant growth and productivity. The need for information concerning the relationship between plants and UV-B is therefore pressing. This volume brings together authoritative contributions from leading experts in UV-B/plant studies and is unique in considering interactions at various scales, ranging from the level of the cell through to the level of the community. Information concerning ozone depletion and physical aspects of UV-B radiation complements the biological information to provide a thorough and comprehensive review of the present status of knowledge.
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"Regular use of sunscreens has been shown to reduce the risk of sunburn and skin cancer, and slow photoaging of skin. Sunscreens can rinse off into water where people are swimming or wading, and can also enter bodies of water through wastewater such as from bathing or showering. As a result, the ultraviolet (UV) filters - the active ingredients in sunscreens that reduce the amount of UV radiation on skin - have been detected in the water, sediment, and animal tissues in aquatic environments. Because the impact of these filters on aquatic ecosystems is not fully understood, assessment is needed to better understand their environmental impacts. This report calls on the U.S. Environmental Protection Agency to conduct an ecological risk assessment of UV filters to characterize the possible risks to aquatic ecosystems and the species that live in them. EPA should focus on environments more likely to be exposed such as those with heavy recreational use, or where wastewater and urban runoff enter the water. The risk assessment should cover a broad range of species and biological effects and could consider potential interacting effects among UV filters and with other environmental stresses such as climate change. In addition, the report describes the role of sunscreens in preventing skin cancer and what is known about how human health could be affected by potential changes in usage. While the need for a risk assessment is urgent, research is needed to advance understanding of both risks to the environment from UV filters and impacts to human health from changing sunscreen availability and usage"--
Sunscreens (Cosmetics) --- Water --- Pollution prevention. --- Aquatic habitats. --- Human beings --- Sunburn. --- Pollution. --- Effect of ultraviolet radiation on.
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Peau. --- Skin --- Effets du rayonnement solaire --- Effect of ultraviolet radiation on.
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Variation in UV-B radiation is crucial to climate change and crop productivity. This book focuses on its environmental interactions, and how plants both protect themselves against UV-B and are stimulated by it.
Plants --- Ultraviolet radiation. --- Plant molecular biology. --- Plant ecology. --- Effect of ultraviolet radiation on.
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Peau. --- Skin --- Effets du rayonnement ultraviolet --- Effect of ultraviolet radiation on.
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Atmospheric ozone --- Plants --- Solar radiation --- Stratosphere --- Ultraviolet radiation --- Environmental aspects --- Effect of solar radiation on --- Effect of ultraviolet radiation on --- Physiological effect
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Current phase-out schedules of the production and emission of CFC's indicate that chlorine loading in the stratosphere is not yet at its maximum. The recovery of stratospheric ozone is estimated to take time and ele vated levels of UV-B radiation are expected to occur throughout most of the next century. 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. Currently it appears that UV-B radiation is not just an environmental stress' factor to plants. In various ways, which are incompletely understood, UV-B affects a wide range of physiological and ecological processes. Remarkably, recent field studies indicate that enhanced UV-B does not markedly affect photosynthesis, growth and primary production, but rather interferes with plant morphogenesis and plant and ecosystem functions relating to the secondary metabolism. This special issue and book UV-B and Biosphere is an attempt to cover this range and to report the progress made in the research of ecological effects of enhanced solar UV-B radiation. The papers in this book formed the basis of an international workshop entitled' UV-B and Biosphere' , December 15-18, 1995, in Wageningen, The Netherlands. A first reaction of Hans de Boois on the number of papers and sessions scheduled from Friday to Sunday morning was: far too many.
Plants, Effect of ultraviolet radiation on. --- Ultraviolet radiation --- Rayonnement ultraviolet --- Environmental aspects. --- Aspect de l'environnement --- Ozone --- Milieu aquatique --- Aquatic environment --- Plante --- plants --- Physiologie végétale --- Plant physiology --- Impact sur l'environnement --- Environmental impact --- Plants --- Effect of ultraviolet radiation on. --- Plant ecology. --- Ecology . --- Plant physiology. --- Aquatic ecology . --- Plant science. --- Botany. --- Plant Ecology. --- Ecology. --- Plant Physiology. --- Freshwater & Marine Ecology. --- Plant Sciences. --- Botanical science --- Phytobiology --- Phytography --- Phytology --- Plant biology --- Plant science --- Biology --- Natural history --- Aquatic biology --- Ecology --- Botany --- Physiology --- Balance of nature --- Bionomics --- Ecological processes --- Ecological science --- Ecological sciences --- Environment --- Environmental biology --- Oecology --- Environmental sciences --- Population biology --- Phytoecology --- Vegetation ecology --- Floristic botany --- Floristic ecology --- Plants, Effect of ultra-violet rays on --- Plants, Effect of ultraviolet radiation on --- Black light --- Light, Black --- Light, Ultraviolet --- Rays, Ultraviolet --- U-V light --- U-V radiation --- U-V rays --- Ultra-violet radiation --- Ultra-violet rays --- Ultraviolet light --- Ultraviolet rays --- UV light --- UV radiation --- UV rays --- Radiation --- Effect of radiation on --- Physiological effect
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