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This volume originates from the NATO Advanced Study Institute
Environmental UV Radiation: Impact on Ecosystems and Human Health
and Predictive Models, held in Pisa, Italy in June 2001. The
Institute was sponsored and mainly funded by the NATO Scientific
Affairs Division, whose constant contribution in favour of the
cooperation among scientists from different countries must be
acknowledged. Other Institutions substantially contributed to the
success of the ASI and our thanks and appreciation go to the
Italian National Research Council (Consiglio Nazionale delle
Ricerche), the Italian Space Agency (Agenzia Spaziale Italiana),
the European Society for Photobiology and the bank Banca Toscana.
In the last two decades of the past century, concern has been
growing for the possible effects on the biosphere of the
stratospheric ozone depletion, due to anthropogenic emissions of
ozone-destroying chemicals. The ozone loss causes an increase in
the biologically important part of the solar ultraviolet radiation
(UV) reaching the Earth's surface, which constitutes a threat to
the biosphere, because of UV damaging effects on humans, animals
and plants. The international agreements have reduced the
production of ozo- destroying compounds, which, however, are still
present in high concentrations in the stratosphere, mainly because
of their longevity, and thus ozone depletion will likely continue
for several decades.
This volume originates from the NATO Advanced Study Institute
Environmental UV Radiation: Impact on Ecosystems and Human Health
and Predictive Models, held in Pisa, Italy in June 2001. The
Institute was sponsored and mainly funded by the NATO Scientific
Affairs Division, whose constant contribution in favour of the
cooperation among scientists from different countries must be
acknowledged. Other Institutions substantially contributed to the
success of the ASI and our thanks and appreciation go to the
Italian National Research Council (Consiglio Nazionale delle
Ricerche), the Italian Space Agency (Agenzia Spaziale Italiana),
the European Society for Photobiology and the bank Banca Toscana.
In the last two decades of the past century, concern has been
growing for the possible effects on the biosphere of the
stratospheric ozone depletion, due to anthropogenic emissions of
ozone-destroying chemicals. The ozone loss causes an increase in
the biologically important part of the solar ultraviolet radiation
(UV) reaching the Earth's surface, which constitutes a threat to
the biosphere, because of UV damaging effects on humans, animals
and plants. The international agreements have reduced the
production of ozo- destroying compounds, which, however, are still
present in high concentrations in the stratosphere, mainly because
of their longevity, and thus ozone depletion will likely continue
for several decades.
Ultraviolet-B radiation (UV-B) has profound effects on plant growth
and development, and exposure varies with ozone depletion and
across geographic regions, with ecosystem and agricultural
consequences. This book deals with large-scale impacts but also how
UV-B affects plants at the molecular level is also fascinating, and
the UV-B photoreceptor has only recently been characterised. While
UV-B radiation can be damaging, it also has a more positive role in
plant photomorphogenesis. Consequently UV-B treatments are being
developed as innovative approaches to improve horticulture. This
book is a timely synthesis of what we know and need to know about
UV-B radiation and plants.
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