Stratospheric ozone levels are near their lowest point since measurements began, so
current ultraviolet-B (UV-B) radiation levels are thought to be close to their maximum. Total …

There have been significant advances in our understanding of the effects of UV-B radiation
on terrestrial ecosystems, especially in the description of mechanisms of plant response. A …

Abstract The Environmental Effects Assessment Panel of the Montreal Protocol under the
United Nations Environment Programme evaluates effects on the environment and human …

In general, the arctic freshwater-terrestrial system will warm more rapidly than the global
average, particularly during the autumn and winter season. The decline or loss of many …

Since publication of the 1998 UNEP Assessment, there has been continued rapid expansion
of the literature on UV-B radiation. Many measurements have demonstrated the inverse …

The Montreal Protocol is working. Concentrations of major ozone-depleting substances in
the atmosphere are now decreasing, and the decline in total column amounts seen in the …

Marine biodiversity worldwide is under increasing threat, primarily as a result of over-
harvesting, pollution and climate change. Chondrichthyan fishes (sharks, rays and …

Dissolved organic matter (DOM) is the strongest light-absorbing component of seawater,
especially in coastal regions, and therefore it plays a dominant role in marine photochemical …

Storage and turnover of organic matter in soil Page 239 6 STORAGE AND TURNOVER OF
ORGANIC MATTER IN SOIL MS Torn Earth Sciences Division, Lawrence Berkeley National …

This report assesses research on the interactions of UV radiation (280–400 nm) and global
climate change with global biogeochemical cycles at the Earth's surface. The effects of UV-B …